Статті в журналах з теми "Green manure crops Asia"
Щоб переглянути інші типи публікацій з цієї теми, перейдіть за посиланням: Green manure crops Asia.
Оформте джерело за APA, MLA, Chicago, Harvard та іншими стилями
Ознайомтеся з топ-50 статей у журналах для дослідження на тему "Green manure crops Asia".
Біля кожної праці в переліку літератури доступна кнопка «Додати до бібліографії». Скористайтеся нею – і ми автоматично оформимо бібліографічне посилання на обрану працю в потрібному вам стилі цитування: APA, MLA, «Гарвард», «Чикаго», «Ванкувер» тощо.
Також ви можете завантажити повний текст наукової публікації у форматі «.pdf» та прочитати онлайн анотацію до роботи, якщо відповідні параметри наявні в метаданих.
Переглядайте статті в журналах для різних дисциплін та оформлюйте правильно вашу бібліографію.
1
Trail, Patrick J., Tim N. Motis, and Abram J. Bicksler. "A Regional Assessment of Four Green Manure/Cover Crop Species Suited to Tropical Southeast Asia." Journal of Agricultural Studies 7, no. 1 (March 7, 2019): 103. http://dx.doi.org/10.5296/jas.v7i1.14329.
Повний текст джерелаАнотація:
While maintaining adequate levels of soil fertility can be a challenge on any farm, maintaining those levels on the resource-limited smallholder farms of the tropics requires options that are also affordable, practical, and appropriate in such challenging conditions. This research endeavor was designed to compare the adaptability and potential of four legume species promoted as Green Manure/Cover Crops (GMCC’s) in Southeast Asia. Cowpea (Vigna unguiculata), Jackbean (Canavalia ensiformis), Lablab (Lablab purpureus), and Ricebean (Vigna umbellata) were planted in field trials in five diverse countries across Southeast Asia in 2016, including Cambodia, Myanmar, Thailand, Bangladesh, and the Philippines. Data was collected to assess the production of above-ground biomass, percentage of ground cover, and timing of growth cycles at each site. Although results varied from country to country based on soil-type, climatic conditions, and growing degree days, Jackbean consistently outperformed other GMCC species in terms of biomass production, yielding up to 12 t ha-1 on a dry-weight basis in Bangladesh and the Philippines. Of the four crops compared, cowpea consistently delivered the shortest growth cycle, reaching the pod formation stage in the fewest number of days across all five sites. These results provide informative answers regarding the growth habits and life cycles of these four crops across five diverse sites, and serve to enhance the capability of smallholders in Southeast Asia to select appropriate species needed for soil improvement purposes in a wide-ranging set of cropping systems.
2
Sangakkara, U., and P. Stamp. "Productivity and nitrogen use of maize as affected by in situ and ex situ green manuring in major and minor seasons of tropical Asia." Acta Agronomica Hungarica 57, no. 3 (September 1, 2009): 285–96. http://dx.doi.org/10.1556/aagr.57.2009.3.4.
Повний текст джерелаАнотація:
Green manuring is considered an important agronomic practice for smallholder farming systems in the tropics. Different species of legumes and non-legumes are applied either as ex situ or in situ green manures. Thus a field study conducted under rainfed conditions in Sri Lanka compared the effect of in situ and ex situ green manuring using two popular green manures ( Crotolaria juncea — a legume and Tithonia diversifolia — a non-legume) on the growth, seed yield and N use pattern of maize ( Zea mays ), the most popular upland cereal in the Asian tropics, grown with high and low N rates, in the two seasons that correspond to the monsoonal rains. In situ green manuring, especially with crotolaria, increased the growth, seed yield and N use efficiency of maize when compared to the ex situ addition of similar quantities of the green manure. The impact was also greater in the minor season, when the crop was subjected to moisture stress conditions. The benefits of in situ green manuring with tithonia were lower than those due to crotolaria. In situ green manuring with tithonia also led to a greater increase in growth, seed yield and N use efficiency in maize compared to ex situ green manuring with this species. The green manures, especially in situ application, also increased the benefits of enhanced rates of N fertilizer to the crops in both seasons, with greater use efficiency in the major season. The study showed the benefits of green manuring (both in and ex situ ) for obtaining higher yields of maize in the growing seasons of the Asian tropics, especially the in situ application of legume species.
3
Irin, IJ, PK Biswas, and MA Khan. "Efficacy of different green manuring crops to soil fertility, yield and seed quality of T. aman rice." Asian Journal of Medical and Biological Research 7, no. 4 (December 30, 2021): 298–311. http://dx.doi.org/10.3329/ajmbr.v7i4.57610.
Повний текст джерелаАнотація:
A series of experiments were conducted on the Agronomy farm and laboratory of Sher-e-Bangla Agricultural University to demonstrated a promising way of increasing soil organic matter, total N in pre sown and postharvest land by green manure cultivation and reducing the inorganic fertilizer inputs in rice production and finally observed the quality of grown T. aman seed in laboratory condition. Several green manures were found more potential in two years regarding their plant height, dry biomass production and better performance concerning organic matter, nitrogen and potassium contribution to soil and increased rice yield. Morphological characteristics of eight green manure crops were studied and incorporated at 45DAS for decomposition. One month after decomposition of green manure, rice (BRRI dhan66) plant was transplanted with 100% NPK (F1) and 50% NPK (F2) and pre sown rice soil, post-harvest soil nutrient statuses were studied. Result showed that Pre shown rice soil increased 0.5 to 0.6% SOM (2nd year), 0.04% soil N (both year) and 0.04% soil K (1st year) which ultimately increase rice yield 62% to 68% (with F1) and 10% to 42% in 1st and 2nd year. Post-harvest soil nutrient status shown the positive balance of (0.1% to 1%) organic matter and total N (0.04% to 0.7%) in the 1st years and 2nd years and P was found drastically increased in 2nd year, respectively. Germination%, germination energy%, seedling length, fresh and dry weight of six month stored rice seedling also found highest from S. rostataand S. aculeataunder laboratory condition. Incorporation of Sesbaniaaculeata, S. rostrata, V. unguiculataand Crotalaria junceaas GM with N significantly influenced the grain yield of rice and pre and post-harvest soil. Asian J. Med. Biol. Res. 2021, 7 (4), 298-311
4
Wang, Qingren, Yuncong C. Li, Waldemar Klassen, and Edward A. Hanlon. "Sunn Hemp : a Promising Cover Crop in Florida." EDIS 2015, no. 7 (July 31, 2020): 4. http://dx.doi.org/10.32473/edis-tr003-2015.
Повний текст джерелаАнотація:
SL-306 (formerly SS-AGR-96), a 4-page illustrated fact sheet by Yuncong Li, Qingren Wang, Waldemar Klassen, Edward A. Hanlon, Jr., describes this green manure crop that has been grown for centuries in Southeast Asia — origin and distribution, description, uses, production and harvest, and seed production. Includes references. Updated with title change by the UF Department of Soil and Water Sciences, September 2015. Minor revision October 2018.
Previous version:
Li, Yuncong, Qingren Wang, Waldemar Klassen, and Edward Hanlon. 2009. “Sunn Hemp - A Cover Crop in Florida”. EDIS 2009 (8). https://journals.flvc.org/edis/article/view/118084.
5
Singh, Amarpreet, Yashbir Singh Shivay, Radha Prasanna, and Ashok Kumar. "Basmati Rice Quality Enhancement by Zinc Fertilization and Green Manuring on a Sub-tropical Inceptisol in Indo-Gangetic Plains of India." Journal of Agricultural Science 13, no. 5 (April 15, 2021): 125. http://dx.doi.org/10.5539/jas.v13n5p125.
Повний текст джерелаАнотація:
Basmati (aromatic) rice is premier rice grown in north-western India and Pakistan. This rice is preferred for their long and slender kernels which expand 3-4 times in length and remain fluffy and are well known all over the world, especially in the Middle East and South Asia for their long fluffy grains on cooking. Paddy soils are usually deficient in organic matter because of high temperature and moisture, which causes rapid decomposition of organic matter. The importance of leguminous green manure crops in improving soil fertility, and soil physical properties received increasing attention. Also, the zinc (Zn) deficiency in soils is prevalent worldwide, especially in high pH calcareous soils. No reports were available on combining green manuring crops and Zn fertilization on productivity, Zn content and kernel quality of Basmati rice. Therefore, the current investigation was undertaken to quantify the combined effects of summer green manuring crops and zinc fertilization on productivity, Zn content and kernel quality of Basmati rice in summer green manuring-Basmati rice cropping system. A field study was therefore conducted for two years (2009 and 2010) on a sandy clay-loam soil (typic Ustochrept) at the research farm of the ICAR-Indian Agricultural Research Institute, New Delhi, India. The experiments were conducted in split plot design, keeping three green manuring crops viz. Sesbania aculeata (Dhaincha), Crotalaria juncea (Sunhemp), and Vigna unguiculata (Cowpea) and one summer fallow treatment as main-plot treatments and six Zn sources viz. control (no Zn application), ZnSO4∙7H2O (21% Zn), ZnSO4∙H2O (33% Zn), ZnO (82% Zn), ZnSO4∙7H2O + ZnO (50% + 50%) and EDTA-chelated Zn (12% Zn) in sub-plots and was replicated thrice. The experiments in both the years were conducted with a fixed lay-out plan on the same site. The results showed that incorporation of green manures along with zinc (Zn) fertilization increased grain and straw yield, enhanced Zn concentrations and improved the kernel quality before and after cooking in Basmati rice ‘Pusa Basmati 1’. The application of EDTA-chelated Zn (12% Zn) was the best in terms of grain and straw yield and Zn concentrations in grain and straw and kernel quality before and after cooking Basmati rice. Application of ZnSO4∙7H2O (21% Zn) was the second-best treatment followed by ZnSO4∙H2O (33% Zn) and ZnSO4∙7H2O + ZnO (50% + 50%). Application of ZnO (82% Zn) had least effect in increasing the studied parameters. The lowest values were observed with control (no Zn application). Among the summer green manuring crops, incorporation of Sesbania aculeata (Dhaincha) was found to be the best over Crotalaria juncea (Sunhemp), Vigna unguiculata (Cowpea) and summer fallow in terms of grain and straw yield, Zn concentrations in grain and straw and kernel quality before and after cooking in Basmati rice. Zn fertilization with EDTA-chelated Zn (12% Zn) lead to 25.91 and 21.26% higher grain yield; 60.66 and 82.14% Zn-denser grains; with 13.33 and 10.92% increase in head rice recovery in Basmati rice over control (no Zn application) during 2009 and 2010, respectively.
6
Sangakkara, U., and P. Stamp. "Impact of improved fallow periods on soil properties and productivity of maize ( Zea mays L.) in major and minor seasons of Asian humid tropics." Acta Agronomica Hungarica 56, no. 3 (September 1, 2008): 303–12. http://dx.doi.org/10.1556/aagr.56.2008.3.6.
Повний текст джерелаАнотація:
Improved fallows are considered an easy, low cost and suitable method of increasing the productivity and sustainability of smallholder tropical rainfed cropping systems, although most farmers allow weeds to grow when the environmental conditions are not conductive for crop production. Field studies were carried out over the minor and major seasons, to evaluate the impact of a preceding improved fallow using Crotalaria or Tithonia , two popular tropical green manures, on selected soil properties, and on the growth and yield of maize. Improved fallows enhanced chemical soil properties significantly and the impact was most prominent at the onset of the minor maize season. Thus, the growth and yield of maize was also increased to a greater extent in this season, when yields are generally lower due to the suboptimal climatic conditions of lower rainfall and higher temperatures. However, fallows in the minor season also improved soil characteristics and maize yields in the major season, the most significant impact being increased seed yields and harvest indices. Although farmers may not grow fallow crops in major seasons, the potential of these green manure fallows in increasing maize yields in minor seasons and possible strategies to include the fallows in the cropping sequences of tropical rainfed upland cropping systems are discussed on the basis of this field study.
7
Krishnan, Gopal, David L. Holshouser, and Scott J. Nissen. "Weed Control in Soybean (Glycine max) with Green Manure Crops." Weed Technology 12, no. 1 (March 1998): 97–102. http://dx.doi.org/10.1017/s0890037x00042639.
Повний текст джерелаАнотація:
Greenhouse and field experiments were initiated to evaluate rapeseed and mustard species as green manure crops for weed suppression. Under greenhouse conditions incorporating 20 g fresh wt leaf and stem tissue of rapeseed, two white mustards, and brown mustard into 450 g Sharpsburg, silty clay loam soil resulted in significant reductions in weed emergence, biomass, and height. Kochia, shepherd's-purse, and green foxtail emergences were reduced by all green manure crops. Redroot pigweed emergence was reduced by all green manure crops except brown mustard, and velvetleaf emergence was reduced by white mustards only. Kochia and shepherd's-purse fresh weights were reduced by all green manure crops, while redroot pigweed and velvetleaf fresh weights were reduced by brown mustard and white mustard var. Salvo. Green foxtail fresh weight was reduced by all green manure crops except rapeseed. With the exception of shepherd's-purse, no relationship between glucosinolate content of the incorporated green manure and suppression of weed growth was found. Under field conditions, early spring-planted green manure crops reduced early season weed biomass in soybean at one of the two locations. Mustard species as green manure crops reduced total weed biomass in soybean by 40% 4 weeks after emergence (WAE) and 49% 6 WAE. Soybean biomass and yield were sometimes reduced by the incorporation of green manure crops in treatments containing weeds; however, hand-weeded plots with green manure treatments yielded similar to hand-weeded plots without green manure.
8
Mooleki, S. P., Y. Gan, R. L. Lemke, R. P. Zentner, and C. Hamel. "Effect of green manure crops, termination method, stubble crops, and fallow on soil water, available N, and exchangeable P." Canadian Journal of Plant Science 96, no. 5 (October 1, 2016): 867–86. http://dx.doi.org/10.1139/cjps-2015-0336.
Повний текст джерелаАнотація:
Green manure crops may have a role to play in the development of sustainable agricultural systems in the semiarid northern Great Plains of North America. This study determined the benefits of different green manure crops, seeding dates, and termination methods on soil nitrogen, phosphorus, and moisture, as well as the performance of durum wheat following green manures the following year. Field experiments were conducted at Swift Current, Saskatchewan, from 2006 to 2009. Three green manure crops [forage pea (Pisum sativum L.), chickling vetch (Lathyrus sativus L.), and black lentil (Lens culinaris Medik.)] were seeded in May, June, and July, and terminated at full bloom using glyphosate, rototilling or by frost. Other treatments included summerfallow and stubble of selected crops harvested for grain or silage. Different green manure crops, seeding dates or termination methods had similar effects on soil moisture, available N, and exchangeable P at termination or the following spring. These effects of green manure management on soil residual characteristics were comparable to those observed under summerfallow, but higher than those on grain or silage stubble. Therefore, green manure is a viable alternative to summerfallowing and could be seeded any time during the growing season. If seeded late, green manure could be terminated by frost, thus saving on costs.
9
Severino, Francisco José, and Pedro Jacob Christoffoleti. "Weed supression by smother crops and selective herbicides." Scientia Agricola 61, no. 1 (February 2004): 21–26. http://dx.doi.org/10.1590/s0103-90162004000100004.
Повний текст джерелаАнотація:
Using a smother crop is thought to suppress weed density and to add other beneficial effects in sustainable agricultural systems. Weed suppression ought to be considered an essential component of integrated weed management. However, very little is known about the effects of green manure plants on weeds. This study evaluated the influence of three green manure species on weed suppression and selectivity of herbicides. A field experiment was designed to determine the effect of the green manure species Crotalaria juncea, Arachis pintoi and pigeon pea on the weeds Brachiaria decumbens, guineagrass and hairy beggarticks, and on the natural weed infestation in the inter rows area of an avocado orchard. The weed species were suppressed differently by each green manure species. Soil samples collected from the field experiment presented a residual effect, of at least 30 d, in suppressing weed seed bank recruitment; this residual effect was caused by the residues of the green manure present in the soil. When the green manure was incorporated into the top 5 cm of soil or left on the surface, in a greenhouse experiment, the emergence of weed seeds was significantly inhibited, depending on the species, and on the amount and depth of green manure incorporation. Greenhouse experiments indicate that pre-emergence herbicides cause lower phytotoxicity than post-emergence Arachis pintoi. Smother crops using green manure species, when well established in an area, provide additional weed control to the cropping system and are effective and valuable tools in integrated weed management.
10
Yerokhova, M. D., and M. A. Kuznetsova. "Soil biofumigation by brassica green manure crops." Защита и карантин растений, no. 8 (2021): 39–40. http://dx.doi.org/10.47528/1026-8634_2021_8_39.
Повний текст джерела
11
Mazur, Viktor, Yurii Branitskyi, and Yaroslav Tsytsiura. "EFFICIENCY OF USING RARE OIL FOR BIOLOGIZATION OF FERTILIZATION SYSTEMS OF CERTAIN AGRICULTURAL CULTURES OF ESPC UKRAINIAN SCIENTIFIC-EDUCATIONAL CONSORTIUM." Agriculture and Forestry, no. 2 (May 28, 2021): 5–23. http://dx.doi.org/10.37128/2707-5826-2021-2-1.
Повний текст джерелаАнотація:
The article presents the results of studying the effectiveness of options for biologizing the fertilization system and related factors of the impact of options for using post-harvest green manure in the technology of growing grain corn on gray forest and chernozem soils. The effectiveness of the use of cruciferous green manure crops, such as white mustard, oil radish and spring rape, has been investigated. Evaluation of the effectiveness of green manure was carried out both by the species factor and by the method of sowing green manure plants, in particular, the usual row and wide-row methods. The features of the influence of late autumn post-harvest green manure on the formation of agrophysical soil properties, such as the duty cycle in its categories and soil density, taking into account the optimization of the air properties of the soil and the restoration of its structure in the technologies of adaptive cultivation of agricultural crops, have been studied. The role of green manure crops in providing herbicide-free control of the level of weed infestation was assessed both from the standpoint of controlling the number of various types of weeds and from the standpoint of regulating their development and prevalence. The formation of segetal vegetation in crops of corn for grain was investigated in the format of determining the effectiveness of the aftereffect of green manure on the formation of the level of weediness in the late phenological phases of growth and development of corn. The features of the formation of leafy mass of green manure were investigated, taking into account the temperature and moisture regime.Based on this, an assessment was made of the adaptability of various types of green manure crops depending on the limiting factors of moisture and low temperatures in the variant of summer-autumn use. Conclusions are made about the expediency of using this criterion of the studied cruciferous crops. The influence of green manure crops on the formation of corn yield for grain is shown, taking into account different types of soils and their fertility potential, as well as taking into account the method of sowing green manure. Increases in corn yield were determined in comparison with unfertilized control and their level was assessed in relation to a possible effective alternative replacement of existing options for fertilizing corn with grain. Conclusions are made about the most productive green manure option based on cruciferous species, and prospects for further research and problematic aspects of the use of cruciferous green manure plants are outlined.
12
Deriilaamyatav, Onon, and Amarsanaa Bayar. "Results of a study comparing planting time and biomass yield of green manure crops in the steppe zone of Mongolia." Mongolian Journal of Agricultural Sciences 30, no. 2 (October 31, 2020): 25–31. http://dx.doi.org/10.5564/mjas.v30i2.1488.
Повний текст джерелаАнотація:
Due to the crop monoculture system which has been 60 years continuously played in a key role in the crop sector Mongolia, soil erosion and its fertility decline have been becoming one of the main pressing issues in all crop zones. The main solution of restoration of soil fertility in the steppe zone of Mongolia is not only to reduce bare fallow but also urgently need to apply green manure in all regions. Our study has focused on identifying the appropriate timing to cultivate green manure crops in the Eastern steppe region of Mongolia and to determine the convenient alternatives of crops with a high yield of biomass to use for green manure.
We determined the most convenient time to use crop biomass for green manure is between 22-27th.July for the green manure crops cultivated on the 20th of May.
For the crops cultivated on the 30th of May green manure time can be determined between 2-6th. August and for the crops cultivated on the 10th of June the convenient time would be between 10-13th.August.
We prioritized the best option of the crop alternatives based on the 3 years average yield of green mass and concluded that field pea and oat mixture, Sudan grass, and fodder pea mixture can be one of the convenient options for green manure in the steppe zone of Mongolia. According to our study results, convenient alternatives with the highest root mass were yellow clover (27.5-60.5c/ha) and white lupine (27.5-61.4c/ha).
In terms of biomass, the convenient alternatives with the highest biomass were the following crops planted on the 20th of May such as mixture of field pea and oat (82.5-112.2c/ha), fodder pea and Sudan grass (67.4-97.0c/ha), as well as Sudan grass (57.1-110.0c/ha. It is considered that in the steppe zone green manure crops can be used for green manure if the biomass of the crops can exceed 40c/ha. [1] The appropriate timing of the planting period should not be later than the 30th of May.
13
Rudakova, L. V., and E. V. Kravtsova. "THE USE OF GREEN FERTILIZERS AS ONE OF THE ASPECTS OF GREENING OF AGRICULTURE." Grain Economy of Russia, no. 4 (August 23, 2018): 15–20. http://dx.doi.org/10.31367/2079-8725-2018-58-4-15-20.
Повний текст джерелаАнотація:
The reproduction of natural soil fertility is the most important direction in solving the problem of sustainable development of agriculture and the entire agro-industrial complex. The realization of this direction should be considered together with greening of agriculture. Considering greening of agriculture, the agricultural ecosystem can be divided into the components and each component can be considered separately. The main aspects of greening of agriculture are alternative systems of agriculture, non-pesticide crop cultivation technologies, binary or mixed crops, constructing of crop rotations to supply the plants with the main nutrition elements, application of green manure crops to improve soil fertility, etc. Green manure crops are the plants which are grown to improve soil fertility and they are called ‘green manure’. Green manure crops decompose in the soil much faster than other organic fertilizers thereby supplying plants with nutrition elements better. Plowed green manure improves water, air and food regimes of soil, improves its fertility and grain crop productivity.
14
Lauringson, Enn, Liina Talgre, and Arvo Makke. "Large-Leaved Lupin (Lupinus polyhyllus Lind.) and Early Red Clover (Trifolium pratense L.) as Green Manure Grops." Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences 67, no. 3 (October 1, 2013): 242–46. http://dx.doi.org/10.2478/prolas-2013-0042.
Повний текст джерелаАнотація:
Trials with large-leaved lupine (‘Lupi’) and early red clover (‘Jõgeva 433’) as green manure were carried out to study their suitability for green manure production. The trials were carried out on the trial fields of the Estonian University of Life Sciences in 2008-2010. Biomass production abilities of various plants grown with or without a cover crop were examined. In the experiment, different green manure crops with undersowing and pure sowing were compared for amounts of N, C, P, K and organic matter driven into soil and their effect on cereal yield. The value of these green manure crops as manure was estimated, based on their effect on the succeeding cereal yield. From green manure plants, sown with cover crops, red clover gave the best results, while large-leaved lupine was better grown as pure crop (18% more biomass than red clover in similar situation). Biomass from large-leaved lupine, grown without cover crop, was also the most efficient in returning nutrients into the soil. Pure green manure had bigger effect and it lasted longer if grown as undersowing.
15
Potapenko, L. V., L. M. Skachok, and N. I. Horbachenko. "ECONOMIC AND ENERGY EFFICIENCY OF FERTILIZING SYSTEMS OF AGRICULTURAL CROPS UNDER ACTION OF MICROBIAL PREPARATIONS IN SHORT ROTATION OF CROPS." Agriciltural microbiology 28 (July 10, 2018): 63–69. http://dx.doi.org/10.35868/1997-3004.28.63-69.
Повний текст джерелаАнотація:
Objective. Carry out economic and energy evaluation of fertilizing systems of agricultural crops, including for the use of microbial preparations.
Methods. Field, laboratory, statistical-economic, calculation-comparative.
Results. On the basis of studies in a long-term field experiment on sod-podzolic soils, economic and energy estimation of crop cultivation in the crop rotation line: lupine - winter rye – potato - oats-was carried out depending on fertilizing systems and pre-seed bacterization of seeds. The prospect of improved organomineral fertilizing system “animal manure + NPK + green manure” has been shown. This fertilizing system provides growth of the conditionally pure profit of crop rotation by UAH 6,922/ha. Using fertilizing system “animal manure + NPK + green manure” for cultures of crop rotation provides an opportunity to increase the conditionally pure profit 2.2 times in comparison with the mineral fertilizing system. With the addition of green manuring to mineral fertilizing system, the conditionally net profit increased from UAH 3,066 to UAH 4,598/ha, or by 50 %. Due to the use of microbial preparations for inoculation of seeds, the profit increases by UAH 1,641/ha, and the return on costs is provided for UAH 1 at the level of UAH 5.09 to 8.10. For energy efficiency, the alternative organic-mineral fertilizing system (animal manure + NPK + green manure) exceeded the traditional one (animal manure + NPK) by 43 % without the use of microbial preparations and by 61 % using biopreparations, and mineral – 2.6 times. The obtained results demonstrate significant prospects for the biological factors of fertilization of crops for their cultivation in short crop rotation.
Conclusion. The application of organo-mineral fertilizing system (animal manure + NPK + green manure) in combination with microbial preparations in the cultivation of crops in short crop rotation provides high economic and energy efficiency.
16
Al-Khatib, Kassim, Carl Libbey, and Rick Boydston. "Weed suppression withBrassicagreen manure crops in green pea." Weed Science 45, no. 3 (June 1997): 439–45. http://dx.doi.org/10.1017/s0043174500093139.
Повний текст джерелаАнотація:
Weed suppression in green pea was evaluated when green pea was planted after a fall planting of rapeseed, white mustard, rye, or wheat had been incorporated into the soil in spring. Tests were conducted at Mount Vernon, WA, in 1994 and 1995. Weed suppression in peas varied between different green manure crops. One month after planting, the highest weed population was in green pea following wheat, whereas the lowest was in green pea following rapeseed. Rye and white mustard suppressed early weeds relative to wheat by 25 and 30%, respectively. However, at harvest, weed density was similar in green pea planted after all green manure crops. Weed suppression improved when cultivation or metribuzin at 0.14 kg ha−1was used in combination with white mustard, rapeseed, or rye. Pea population was not affected by green manure crops, except for rapeseed, which reduced pea population. In greenhouse experiments, white mustard added to the soil at 20 g per 400 g air dry soil reduced emergence of shepherd's-purse, kochia, and green foxtail by 97, 54, and 49%, respectively. Rapeseed suppressed emergence of shepherd's-purse, kochia, and green foxtail by 76, 25, and 25%, respectively.
17
Kalimullin, Marat, Rinat Abdrakhmanov, Radik Ziatdinov, Marat Salimzyanov, and Ilshat Mukhametshin. "MACHINE FOR SEEDER CROPS." Vestnik of Kazan State Agrarian University 16, no. 4 (February 15, 2021): 80–84. http://dx.doi.org/10.12737/2073-0462-2021-80-84.
Повний текст джерелаАнотація:
Recently many agricultural producers have begun to take care of environmental aspects and are gradually switching to the use of organic farming elements in the cultivation of agricultural crops, which include green fertilizers - siderates. Many experts recommend cutting the green mass of green manure crops with a mower and embedding it in the surface layer of the soil as mulch. However, not all termination methods are equally effective. In particular, when passing through a field with a rotary harrow’s green manure, the circular knives have to simultaneously perform two functions: chop and embed the vegetative mass of plants, which negatively affects the depth of processing. Therefore, the goal of our research is to develop a combined unit for mowing, crushing and embedding green mass of green manure crops into the soil. To achieve this, it is proposed to attach a plant chopper to the front of the tractor, which will mow and chop the plants, and two discator batteries installed on the rear hitch of the tractor will close the chopped organic mass. To determine the efficiency of using the proposed combined unit in different regions of the Republic of Tatarstan on different soils, comparative field tests were carried out, which consisted in determining the completeness of incorporation of green mass. The value of this indicator without using the mower on the front hitch was 65%, and with mowing and chopping - 95%, this is 1.5 times more than in the version with the compared unit, which should favorably affect the decomposition of the embedded organic matter
18
Bora, Indrani, and Arundhati Baruah. "Sustain Productivity of Jhum Crops in North East India - A Holistic Approach." Indian Journal of Forestry 40, no. 3 (September 1, 2017): 235–41. http://dx.doi.org/10.54207/bsmps1000-2021-4903rr.
Повний текст джерелаАнотація:
To make a comparative study on the impact of green manure (legume, non legume and weed species) and inorganic fertilizer on crop yield and fertility status in soil an experiment was conducted for two successive years in shifting cultivation areas of Assam. Among the different green manure studied maximum yield of rice was recorded in legume green manure (1687.6 kg kgh-1) followed by inorganic fertilizer (1566.6 kgh-1) applied plot in initial year. However during successive year productivity was recorded low in fertilizer applied plot compared legume, non legume and weed green manure. Same trend was noticed in productivity of Maize also. Significant increase of nutrient uptake was observed in green manure treated plot. Fertilizer applied plot showed low value during successive year. Acidity of the soil increased due to release of organic acid during decomposition of green manure. Input of biomass to the soil contributed in increment of organic carbon, nitrogen and other mineral nutrients and thus maintaining productivity as well as fertility status in soil.
19
Cavigelli, Michel A., and Steve J. Thien. "Phosphorus Bioavailability following Incorporation of Green Manure Crops." Soil Science Society of America Journal 67, no. 4 (July 2003): 1186–94. http://dx.doi.org/10.2136/sssaj2003.1186.
Повний текст джерела
20
Miyazawa, Kae, Toshifumi Murakami, Masae Takeda, and Tohru Murayama. "Intercropping green manure crops—effects on rooting patterns." Plant and Soil 331, no. 1-2 (December 18, 2009): 231–39. http://dx.doi.org/10.1007/s11104-009-0248-y.
Повний текст джерела
21
Townley-Smith, L., A. E. Slinkard, L. D. Bailey, V. O. Biederbeck, and W. A. Rice. "Productivity, water use and nitrogen fixation of annual-legume green-manure crops in the Dark Brown soil zone of Saskatchewan." Canadian Journal of Plant Science 73, no. 1 (January 1, 1993): 139–48. http://dx.doi.org/10.4141/cjps93-017.
Повний текст джерелаАнотація:
Both large-seeded annual legumes (pulse crops) and small-seeded annual or perennial legumes (forage crops) fix nitrogen (N) and can improve soil organic matter and fertility when used for green manuring. The role of pulses as green-manure crops has not been adequately evaluated in the Prairies, as they have been grown primarily as cash seed crops. An experiment was conducted in the Dark Brown soil zone at Saskatoon over four growing seasons on a moderately heavy-textured soil to determine the productivity, nitrogen fixation and soil moisture use of pea (Pisum sativum L. ’Trapper’), faba bean (Vicia faba L. ’Outlook’), lentil (Lens culinaris Medik. ’Eston’ and ’Indianhead’), Tangier flatpea (Lathyrus tingitanus L. ’Tinga’) and seedling alfalfa (Medicago sativa L. ’Moapa’) as green-manure substitutes for summerfallow. Dry-matter production (above ground) by full bloom averaged 6390, 4140, 3590, 2930 and 1260 kg ha−1 for pea, lentil, faba bean, Tangier flatpea and seedling alfalfa, respectively. Nitrogen yields were 166, 108, 119, 81 and 36 kg ha−1 and N fixation rates were 40, 15, 40, 24 and 4 kg ha−1 for pea, lentil, faba bean, Tangier flatpea and seedling alfalfa, respectively. Green-manure used similar amounts of water as wheat grown to maturity. Snow trapping by desiccating the standing green-manure crop was ineffective in increasing soil water in the spring. Low seeding rate and thus low cost of production made lentil the most reasonable choice as an annual-legume green-manure crop. However, improved methods of water conservation must be found to replace the water used to grow the green-manure crop. Key words: Pea, lentil, faba bean, Tangier flatpea, green manure, soil moisture
22
Lei, Beining, Juan Wang, and Huaiying Yao. "Ecological and Environmental Benefits of Planting Green Manure in Paddy Fields." Agriculture 12, no. 2 (February 3, 2022): 223. http://dx.doi.org/10.3390/agriculture12020223.
Повний текст джерелаАнотація:
Soil fertility management is one of the most important factors affecting crop production. The use of organic manures, including green manure, is an important strategy to maintain and/or improve soil fertility for sustainable crop production. Green manure generally refers to crops that can provide fertilizer sources for agricultural cash crops and improve soil productivity. The application of green manure is a traditional and valuable practice for agroecosystem management, particularly in paddy systems where green manure is rotated with rice. This paper systematically reviews the effects of green manure on soil microenvironments and greenhouse gas emissions, and the role of green manure in the phytoremediation of paddy fields. The paper concludes that green manure can not only affect soil nutrients and the microbial community, but also reduce greenhouse gas emissions and enhance soil remediation to some extent. Moreover, this review provides theoretical guidance on the selection of green manure germplasm and tillage methods for paddy fields of different climates and textures. However, this review only provides a macro-overview of the effects of green manure on soil nutrients, greenhouse gas emissions, and soil remediation in rice paddies based on a large number of previous studies, and does not provide a comprehensive quantitative assessment due to differences in green manure varieties and soil texture. The prospects for quantitative analysis of the ecological and economic effects of the sustainable development of green manure cultivation are discussed.
23
Schroder, J. J., L. Ten Holte, and B. H. Janssen. "Non-overwintering cover crops: a significant source of N." Netherlands Journal of Agricultural Science 45, no. 2 (July 1, 1997): 231–48. http://dx.doi.org/10.18174/njas.v45i2.515.
Повний текст джерелаАнотація:
In field experiments in 1982-89 at 2 sites in the Netherlands, potatoes cv. Bintje and sugarbeet cv. Monohil or Ovatio in a wheat/potatoes/wheat/sugarbeet rotation were preceded during winter by fallow or a green manure crop of Lolium multiflorum cv. Tetila with 0 (G0), 100 (G100) or 200 kg N/ha (G200) or Trifolium pratense cv. Rotra with no N (RC). Green manure crops were undersown to winter wheat cv. Durin and ploughed in in the first half of November. On average, G0, G100, G200 and RC had then accumulated 22, 93, 125 and 57 kg N/ha, respectively, in the above-ground plant parts. G0 crops tended to immobilize soil mineral N in spring and generally had non-significant effects on the yields of potatoes and sugarbeet, whereas G100, G200 and RC increased the N yields and marketable yields significantly. Effects were mainly attributable to the release of N by the green manures. The fertilizer value of the green manures was evaluated by their effect on economic optimum N rates, the marketable yield and the N yield when no mineral fertilizer N was supplied. The last two methods appeared to be most appropriate for the present experiments. Fertilizer values ranged from -21 to 108 kg N/ha, depending on the type of green manure crop and the calculation method. About half of the N accumulated in above-ground parts of the green manure crop was available to potatoes and sugarbeet from G100 when evaluated by its effect on N yields. From G200 this was even greater, although this may partly have resulted from the transfer of fertilizer N that had not been taken up by the green manure crop. Due to a high content of N in roots and stubble, RC provided, on average, almost double the amount of N accumulated in the above-ground plant parts. Green manure crops also had a minor positive effect on grain yields of winter wheat following potatoes and sugarbeet. At least 35% of the above-ground N in L. multiflorum green manure crops was not utilized within the first 18 months after their incorporation.
24
Cochran, Kimberly A., and Craig S. Rothrock. "Brassica Green Manure Amendments for Management of Rhizoctonia solani in Two Annual Ornamental Crops in the Field." HortScience 50, no. 4 (April 2015): 555–58. http://dx.doi.org/10.21273/hortsci.50.4.555.
Повний текст джерелаАнотація:
Brassica green manure soil amendments are a possible alternative to chemical management of soilborne diseases of ornamental landscape and bedding plants. The objective of this study was to determine the importance of crop selection and application rate of brassica green manures for disease caused by Rhizoctonia solani on impatiens and petunia. Microplot experiments were conducted over 2 years using brassica green manure soil amendments for R. solani management of both petunias and impatiens. Brassica crops used were Brassica juncea ‘Fumus’ and ‘Bionute’, and Brassica napus ‘Jetton’, at the application rates of 700, 1400, and 4200 g·m−2 fresh weight aboveground biomass. Microplots were artificially infested to evaluate disease on these ornamentals, with a second set of experiments using noninfested plots to examine effects of the green manure alone on plant growth. All brassica green manure crops reduced disease symptoms in both impatiens and petunias. Rate of brassica application was more important than brassica crop variety for use as a green manure. The highest rate of the brassica green manure decreased crown lesions by 21% and 24%, root discoloration by 9% and 7%, and R. solani isolation by 15% and 8% for impatiens and petunias, respectively, for 4200 g·m−2 compared with 700 g·m−2 rates of application. No phytotoxic effects were observed from the brassica green manures following a waiting period of 4 weeks between amending the soil and planting the ornamental crops.
25
Prikhodko, A. V., and A. V. Cherkashyna. "PRODUCTIVITY OF GREEN MANURE CROPS DEPENDING ON HYDROTHERMAL CONDITIONS." TAURIDA HERALD OF THE AGRARIAN SCIENCES 3 (27) (2021): 144–54. http://dx.doi.org/10.33952/2542-0720-2021-3-27-144-154.
Повний текст джерелаАнотація:
Green manuring can increase biological activity of the soil, enrich it with organic matter, nutrients and improve its agrophysical and agrochemical properties. The aim of the research was to establish the influence of green manure crops species composition on the productivity of agrophytocenoses and the input of soil organic matter under various hydrothermal conditions. The studies were conducted in 2016–2019 on the experimental fields of the Research Institute of Agriculture of Crimea. Soil – chernozems southern low-humus. Average daily air temperature was: in 2016 – 11.8 °С; in 2017 – 12.7 °С; in 2018 – 12.5 °С; in 2019 – 12.6 °С (average long-term values – 10.8 °С). The amount of precipitation over the years was at the level of 162, 67, 129, 108 % of the norm. The experiments were laid according to B. A. Dospekhov “Methods of field research”. Position of the variants is systematic, triple replication. Fields square – 720 m2. The research subject is green manure crops agrocenoses. The object of the research is the process of forming the productivity of green manure crops. On average, over the years of research, the highest yield of green mass was formed by sweet clover and sainfoin (29.1 and 27.1 t/ha, respectively), winter triticale (24.5 t/ha) and winter rye (25.8 t/ha). T. pratense and P. tanacetifolia were low-yielding. The largest amount of accumulated soil organic matter was detected when rye, triticale, sainfoin and sweet clover were used as green manure; it was 5.88, 5.72, 5.56 and 5.52 t/ha, respectively. We established an average correlation (at 5 % significance level) between the amount of precipitation for the period “sowing – ripeness” in 2016–2017 and the yield of green mass of green manure crops (r = 0.52), as well as dry matter yield (r = 0.59). A negative correlation of average strength was also established between the average daily temperature of the period “sowing – ripeness” in 2017–2018 and yield of green mass (r = –0.66), as well as organic matter yield (r = –0.64).
26
Talgre, L., E. Lauringson, H. Roostalu, A. Astover, and A. Makke. " Green manure as a nutrient source for succeeding crops." Plant, Soil and Environment 58, No. 6 (June 18, 2012): 275–81. http://dx.doi.org/10.17221/22/2012-pse.
Повний текст джерелаАнотація:
The trials were carried out in the Estonian University of Life Sciences (58°23'N, 26°44'E), and studied to what extent green manure crops bind nutrients and the effect and stability of biologically fixed nitrogen (N). Our research covered more species than most of the earlier studies in the Nordic countries. Compared with biomass from unfertilized barley, legume undersowing, straws plus roots added up to 4 times more N, 2.8 times more phosphorus (P) and 2.5 times more potassium (K) returning to the soil. Red clover, hybrid lucerne and white melilot as pure sows produced the highest biomass, amounts of N, P, and K being up to 206, 24 and 144 kg/ha, respectively. The effect of additional N in soil was measured by weighing successive grain yields. In the first test year, 1 kg of N from green manure had the effect of producing 8.6 kg grain and this relation did not change even for higher N amounts. Green manure had a significant effect even in the third year after the green manure was ploughed into soil.
27
Witter, E., and G. Johansson. "Potassium Uptake from the Subsoil by Green Manure Crops." Biological Agriculture & Horticulture 19, no. 2 (January 2001): 127–41. http://dx.doi.org/10.1080/01448765.2001.9754917.
Повний текст джерела
28
Sharma, A. R., and B. N. Mittra. "Effect of green manuring and mineral fertilizer on growth and yield of crops in rice-based cropping on acid lateritic soil." Journal of Agricultural Science 110, no. 3 (June 1988): 605–8. http://dx.doi.org/10.1017/s0021859600082198.
Повний текст джерелаАнотація:
SummaryGreen manuring in situ with sunnhemp (Crotalaria juncea) and dhaincha (Sesbania aculeata) significantly improved growth and yield of transplanted rice. Giving the green manure crops 15 kg N/ha or 15 kg N and 30 kg P2O5/ha further increased yield. Interaction between green manuring and N fertilizer revealed that a considerable quantity of fertilizer N (45–60 kg N/ha) applied to rice could be replaced by incorporation of green manure crops to which a small amount of fertilizer had been applied. Residual fertility in terms of organic carbon and available N, P and K increased under green manuring, whereas N fertilizer made no impact on fertility build up. Grain yield of wheat and gram increased when grown after rice in plots which had grown green manure.
29
JANZEN, H. H., J. B. BOLE, V. O. BIEDERBECK, and A. E. SLINKARD. "FATE OF N APPLIED AS GREEN MANURE OR AMMONIUM FERTILIZER TO SOIL SUBSEQUENTLY CROPPED WITH SPRING WHEAT AT THREE SITES IN WESTERN CANADA." Canadian Journal of Soil Science 70, no. 3 (August 1, 1990): 313–23. http://dx.doi.org/10.4141/cjss90-032.
Повний текст джерелаАнотація:
There is growing interest in the use of annual legumes as green manure crops to replace conventional summerfallow in the spring wheat production systems of western Canada. A series of field experiments was established at three sites in western Canada (Lethbridge, Swift Current, and Saskatoon) in each of two seasons to quantify the N contribution of green manure to subsequent crops and organic matter reserves. 15N-labelled plant material from two annual legume species [Tangier flatpea (Lathyrus tingitanus 'Tinga') and lentil (Lens culinaris 'Indianhead')], as well as 15N-labelled ammonium sulfate, was applied to field microplots in midsummer. The following spring, an additional ammonium sulfate treatment was established and all plots were seeded to spring wheat (Triticum aestivum 'Leader' or 'Katepwa'). On average, the wheat crop recovered 14% of the green manure N compared with 36% of the fertilizer N. Conversely, the relative contribution of the green manure to the organic N pool in the surface soil layer was approximately twice that of inorganic fertilizer. This residual organic N was relatively recalcitrant to further mineralization, as was evident from minimal uptake of applied N in the second year after application. These results suggest that annual legumes can be a significant source of N to subsequent crops in the rotation, provided that N yields are sufficient. The primary advantage of green manure production, however, may be the long-term replenishment of stable organic N reserves in the soil. Key words: N mineralization, organic matter, 15N, annual legumes, green manure, lentil, pea
30
Tsolmon, Nyamdavaa, and Friedel K. Jürgen. "Tuber yield parameters in organic potato production with green manures as preceding crop, catch crop and with farmyard manure." Mongolian Journal of Agricultural Sciences 17, no. 1 (January 3, 2017): 21–26. http://dx.doi.org/10.5564/mjas.v17i1.722.
Повний текст джерелаАнотація:
The effect of different preceding crops, catch crops and manure application on the agronomic performance of potato was studied in two consequential years in an organic farming system. Within the study the effect of three different preceding crops: viz. lucerne, field pea and spring barley; incorporated catch crops as green manure: non-legume or mixture; and farmyard manure (30 tones ha-1) are tested on subsequent potato yield and tuber size distribution. The catch crop treatments were studied in comparison to control bare fallow. The subsequent crop response to preceding crops was negligible since there was no indication of a greater tuber yields (fresh tuber, marketable and dry matter) after legume pre-crops compared to barley. Catch crops and manure effects both slightly increased tuber dry matter yield from 4.9 tones ha-1 to 5.2 tones ha-1 in 2010 only, on the contrary dry matter yield was not affected by catch crop and manure in 2011. The significant interaction effect was found between year and catch crop for fresh and dry matter tuber yield and non-standard small sized tubers. Catch crops had a positive effect on potato yield only in 2010 when mineral nitrogen availability was low. The catch crops significantly (P < 0.01) increased the percentage of large sized tubers (> 65 mm in diameter); however catch crops even negatively affected potato medium sized tuber yield and quality. Significant (P < 0.01) interaction effect was found between year and catch crop for small sized tubers, also.
31
Shatokhin, Alexander A,, Omari G. Chamurliev, Alexander V. Zelenev, Georgy O. Chamurliev, and Elena S. Vorontsova. "Field crop rotations in organic agriculture of the Volgograd region." BIO Web of Conferences 27 (2020): 00152. http://dx.doi.org/10.1051/bioconf/20202700152.
Повний текст джерелаАнотація:
Soil fertility in biologized crop rotations depends on the saturation of them with legumes and sideral crops, perennial grasses, the involvement of grain crops in the organic matter cycle. The crop rotation was studied: 1) four-field grain and steam: clean steam winter wheat chickpeas spring barley (control); 2) five-field grain and steam: occupied steam (clover green manure) winter wheat chickpeas spring barley mustard + clover; 3) seven-field grain and grass: occupied steam (green manure oats) winter wheat mustard chickpeas safflower dyeing spring barley sainfoin (hatcher field); 4) semi-field grass and grassland: occupied steam (phacelia green manure) winter wheat spring wheat chickpeas grain sorghum spring barley alfalfa (hatchery field). The highest balance of organic matter was ensured in a five-field grain-steam crop rotation with clover for green manure +1.92 t/ha, in this crop rotation the highest balance was observed for nitrogen +23.8 kg/ha and phosphorus +1.3 kg/ha, grain harvest from 1 ha of arable land 0.51 t/ha. The greatest balance of potassium was ensured in the seven-field grain and grass-crop rotation with facet on green manure +8.8 kg/ha. The highest humus balance was observed in a seven-field grain-grass-crop rotation with oats per green manure +0.12 t/ha.
32
Sotpa, A. S., and T. F. Zharova. "Agroecological effi ciency of organic fertilizers’ placement methods." Siberian Herald of Agricultural Science 49, no. 5 (November 30, 2019): 5–10. http://dx.doi.org/10.26898/0370-8799-2019-5-1.
Повний текст джерелаАнотація:
The results of studies on the effect of bare and green-manured fallow (melilot, peas, peas + oats), as well as methods of placing green manure crops and manure (plowed to a depth of 18–20 cm and cultivated at 8–10 cm) on the fertility and productivity of dark chestnut soil are presented. Field experiment took place in the steppe zone of the Republic of Tuva. The weather conditions during the study period were noted as characteristic for the conditions of the steppe zone: 2016 and 2017 were arid, whereas 2018 was wet. Bare fallow was more effective for the accumulation of productive moisture than green-manured one both in autumn and in spring before sowing spring wheat. In autumn, after bare fallow, the moisture content was higher by 14.7%, in spring by 32.8%. The surface placement of green manure crops contributed to a lesser desiccation of the soil. The best supply of nitrate nitrogen before sowing wheat was noted in fallow fi elds with manure and melilot (17.1-15.6 mg/kg). Methods of placing organic fertilizers did not affect the nitrate content in the soil. The yield of spring wheat was affected by preceding crops and methods of placing fertilizers. The highest yield of spring wheat was obtained in the bare-fallowed fertilized fi eld, which was by 0.2–0.5 t/ha higher than with all types of bare or green-manured fallow. Deep (18–20 cm) placement of manure increased the yield of spring wheat by 0.2 t/ha (10.5%). Placement of green-manured crops on the surface made it possible, on average during the experiment, to increase this indicator by 0.1–0.3 t/ ha (7.1–20%).
33
Gatsios, Anastasios, Georgia Ntatsi, Dionisios Yfantopoulos, Penelope Baltzoi, Ioannis C. Karapanos, Ioannis Tsirogiannis, Georgios Patakioutas, and Dimitrios Savvas. "Effects of Different Organic Soil Amendments on Nitrogen Nutrition and Yield of Organic Greenhouse Tomato Crop." Nitrogen 2, no. 3 (August 26, 2021): 347–58. http://dx.doi.org/10.3390/nitrogen2030024.
Повний текст джерелаАнотація:
Manure is a common source of nitrogen (N) in organic farming. However, manure is not always easily available, while the maximum N amount added as animal manure in organic agriculture is restricted by EU regulations. The present study was designed to test whether green manuring with a warm-season legume and intercropping with a cold-season legume can substitute farm-yard manure or compost as N sources in organic greenhouse tomato crops. To test this hypothesis, a winter-spring (WS) tomato crop was installed in February following the incorporation of crop residues of an autumn-winter (AW) tomato crop intercropped with faba bean, which had been fertilized with cowpea residues as green manure. This treatment, henceforth termed legume treatment (LT), was compared with the use of compost or manure as an N fertilization source in both tomato crops. In addition, a combination of compost and LT was also used as a fourth treatment. The results showed that green manuring with legumes and particularly cowpea can contribute a significant amount of N to the following organic tomato crop, through the biological fixation process. Nevertheless, legumes as green manure, or compost, or their combination cannot efficiently replace farmyard manure as an N fertilization source. Compost exhibited a slow mineralization course.
34
Dalbard, Swann, and Vincent V. Michel. "Efficacy of Different Forms of Green Manure Crops to Reduce Verticillium dahliae in Different Soils." Global Journal of Agricultural Innovation, Research & Development 8 (November 15, 2021): 191–205. http://dx.doi.org/10.15377/2409-9813.2021.08.15.
Повний текст джерелаАнотація:
The efficacy of green manure crops to reduce the number of Verticillium dahliae microsclerotia in different soils was investigated. Green manures tested were Indian mustard with a high glucosinolate content and sorghum-sudangrass as biocidal plants, and Indian mustard with a low glucosinolate content and rye as non-biocidal plants. The green manure plants were applied in fresh, dried, and ensilaged form. When applied as fresh plants, the glucosinolate content determining the biocidal activity of Indian mustard was only important in loam soil but not in sandy loam soil. In the latter soil, the non-biocidal rye had significantly higher efficacy than the Indian mustard. Volatiles released by fresh and dried, but not ensilaged, Indian mustard with a high glucosinolate content strongly decreased the number of living V. dahliae microsclerotia. When the same green manure crops were added to sandy loam and clay loam soil, the effect of the high glucosinolate content Indian mustard in fresh and dried form disappeared, whereas the ensilaged green manure crops had the highest efficacy. This effect was based on the increase of the soil microbial activity and the Streptomyces population size, which were negatively correlated with the number of living V. dahliae microsclerotia in the soil.
35
Prikhodko, A. V., A. V. Cherkashyna, A. A. Zubochenko, Y. V. Svyatyuk, A. A. Gongalo, A. V. Pikhtereva, and T. B. Moreva. "Influence of composition species of green manure crops on soil fertility." IOP Conference Series: Earth and Environmental Science 937, no. 3 (December 1, 2021): 032022. http://dx.doi.org/10.1088/1755-1315/937/3/032022.
Повний текст джерелаАнотація:
Abstract The selection of green manure crops for the zones with insufficient and unstable moisture is an urgent issue of agriculture. The purpose of the work is to establish the influence of the species composition of green manure on soil fertility. The research on southern low-humus chernozem was conducted in FSBI “Research institute of agricultural chemistry” in 2016-2019. The climate of the area is continental, semi-arid. The average annual air temperature is 10.8°C, the amount of precipitation is 428 mm. Conducting the experiment, statistical processing of data was performed according to B.A. Dospekhov. Layout of the variants - systematic, repetition is three times. The area of the plots is 720 m2. The subject of the research is agrocenoses of green manure crops. The object of the study is the soil fertility change processes. Agrocenoses of winter rye and triticale, melilot and sainfoin ensured the highest dry matter yield (6-6.3 t/ha). The maximum entry of organic matter into the soil occurred when using agrocenoses of winter rye - 5.88 t/ha and triticale - 5.72 t/ha. Mixture of crops on the entry of organic matter into the soil was inferior to rye and triticale, but outperformed vetch by 17.9%. The greatest amount of nitrogen was contained in the biomass of melilot and Sainfoin - 156 and 142 kg/ha, and in the mixture of winter crops - 108 kg/ha of nitrogen. The mixture combined the positive properties of its constituent crops: high and stable yield of dry and organic matter, nitrogen, phosphorus and potassium. Due to mineralization of the organic matter of green manure crops, there was an increase in nitrate nitrogen in the arable horizon from 1.0-2.4 to 12.0-22.8 mg/kg of soil.
36
Entz, M. H., R. Guilford, and R. Gulden. "Crop yield and soil nutrient status on 14 organic farms in the eastern portion of the northern Great Plains." Canadian Journal of Plant Science 81, no. 2 (April 1, 2001): 351–54. http://dx.doi.org/10.4141/p00-089.
Повний текст джерелаАнотація:
Cropping records from 13 organic farms in the eastern Canadian prairies and one in North Dakota (1991 to 1996) were surveyed to determine crop rotation pattern, yields and soil nutrient status. Major crops included cereal grains, forages, and green manure legumes. Organic grain and forage yields averaged from one-half to almost double conventional yields. Soil N, K and S levels on organic farms were generally sufficient; however, levels of available soil P were deficient in several instances. Key words: Crop rotation, weeds, forages, green manure crops
37
Pinto, Rui, Luís Miguel Brito, and João Coutinho. "Organic production of horticultural crops with green manure, composted farmyard manure and organic fertiliser." Biological Agriculture & Horticulture 33, no. 4 (June 29, 2017): 269–84. http://dx.doi.org/10.1080/01448765.2017.1347521.
Повний текст джерела
38
Kim, TaeYoung, Aileen Rose Daquiado, Faridul Alam, and YongBok Lee. "Evaluation of Nitrogen and Phosphorus Balance in Green Manure-Rice Cropping Systems without Incorporation of Green Manure Crops." Korean Journal of Environmental Agriculture 31, no. 4 (December 31, 2012): 308–12. http://dx.doi.org/10.5338/kjea.2012.31.4.308.
Повний текст джерела
39
Kim, TaeYoung, Aileen Rose Daquiado, Faridul Alam, Pil-Joo Kim, and YongBok Lee. "Evaluation of Phosphorus Balance in Green Manure-Rice Cropping Systems with Different Incorporation Rate of Green Manure Crops." Korean Journal of Environmental Agriculture 31, no. 4 (December 31, 2012): 378–80. http://dx.doi.org/10.5338/kjea.2012.31.4.378.
Повний текст джерела
40
Strelnikov, Evgeniy, Tatiana Antonova, Lyudmila Gorlova, and Victoria Trubina. "The environmentally safe method of control of broomrape (Orobanche cumana Wallr.) parasitizing on sunflower." BIO Web of Conferences 21 (2020): 00039. http://dx.doi.org/10.1051/bioconf/20202100039.
Повний текст джерелаАнотація:
Orobanche cumana Wallr., an obligate parasite of sunflower, is widely spread in most countries cultivating this crop. It is one of the main factors limiting the cultivation of sunflower. The aim of our research was to determine the influence of application of oil crops (Brassicaceae) green manures on the sunflower infection with broomrape under greenhouse conditions. We used the green mass of white, black, common mustard and winter rapeseed as a green manure. We added the crushed green mass of these crops (62.5-90.0 g) to vessels with a soil-sand mixture mixed with broomrape seeds. After 15 days, we sowed the seeds of sunflower variety susceptible to all races of broomrape. We did not add the green manures in the control. The green manure of white mustard (variety Ruslana) showed the highest percentage of decrease in the infection degree – 44.7 %. The common mustard (Yunona) and black mustard (Niagara) reduced the infection by 25.9 and 27.0 %, respectively, the rapeseed (Tavrion) – by 24 %. We recommend using the green manures of these crops to reduce infection of sunflower crops with broomrape and as an environmentally safe method of clearing the field from its seeds.
41
Gautam, Roshana, Chandeshwor Prasad Shriwastav, Sarita Lamichhane, and Bandhu Raj Baral. "The Residual Effect of Pre-Rice Green Manuring on a Succeeding Wheat Crop (Triticum aestivum L.) in the Rice-Wheat Cropping System in Banke, Nepal." International Journal of Agronomy 2021 (December 8, 2021): 1–10. http://dx.doi.org/10.1155/2021/4142743.
Повний текст джерелаАнотація:
Rice-wheat is the most widely used cropping pattern in Nepal. This cereal-based cropping system is highly nutrient exhaustive and unsustainable from a soil management perspective. They contribute neither nitrogen nor biomass to the soil. The net effect is the export of nutrients from the soil. The unused period between wheat harvest and rice transplanting is the summer fallow, and the incorporation of green manure during this short period increases the yield of both crops and improves the soils chemical properties. Altogether, there were 9 treatments and 3 replications with the randomized complete block design (RCBD). Dhaincha, sun hemp, black gram, cowpea, mung bean, and rice bean were used as pre-rice green manure. No chemical fertilizers were used for the green manure, and in wheat, 150 : 50 : 50 NPK kg/ha was applied. Goat manure was applied at the rate of 10 t/ha. The main objective of the study is to ascertain the residual effect of pre-rice green manuring on the chemical properties of the soil and the yield attributes of the succeeding wheat crops. The chemical properties of the soil were analyzed before and after the harvesting of wheat, and the yield attributes parameters were analyzed. The result showed that the green manure-treated plots gave a significantly higher yield as compared to solely chemical fertilizers-treated plots. The maximum grain yield was obtained from black gram (5.870 t/ha). There was a 39.76% increase in the grain yield in the black gram-incorporated plots as compared to the only-chemical fertilizers-treated plots. There was a highly (<0.001) significant difference in the soil organic matter of the green manure-treated plots and the only-chemical fertilizers-treated plots. The sun hemp-incorporated plot increased the soil organic matter by 71% when compared to the only-chemical fertilizers-treated plot. There was no significant residual effect of pre-rice green manuring on the soil pH in a one-cropping season. However, there was a significantly higher residual effect of the green manure on the soil’s total nitrogen content in all green manure-treated plots. It was found to be the highest (0.087%) in pre-rice dhaincha. The overall results indicate that the incorporation of pre-rice green manuring improved the soil’s chemical properties and increased the grain yield of the succeeding wheat crops in a rice-wheat cropping system.
42
Fekete, Ágnes, and Péter Pepó. "The role of green manure crops in Hungarian plant production." Acta Agraria Debreceniensis, no. 74 (June 30, 2018): 49–53. http://dx.doi.org/10.34101/actaagrar/74/1663.
Повний текст джерелаАнотація:
According to the data of KSH (Hungarian Central Statistical Office), the sowing area of cereals in the crop year 2016 was over 2.56 million ha, on which winter wheat and maize were produced in a rate of around 50–50%. Regarding these data it is obvious that the domestic cropping structure has been simplified and become unilateral. This unfavourable crop rotation system causes several problems. The number of Hungarian livestock decreased in the past decades. The amount of manure was 24 million tons in 1960, but only hardly 4.5 million tons of organic manure was applied in 2016. Therefore, the importance of other possibilities, alternatives for organic matter recovery have become enhanced. This is especially important from the aspect of sustainable plant production. The fact that the European Union has introduced new directives for subsidiaries in 2015 has to be noted as well.
The objective of the set experiment is to find new technological solutions that are suitable for the execution of sustainable plant production by inadequate crop rotation, organic substance recovery conditions or under more unfavourable climatic conditions.
43
Miyazawa, Kae, Toshifumi Murakami, Masae Takeda, and Tohru Murayama. "Erratum to: Intercropping green manure crops—effects on rooting patterns." Plant and Soil 336, no. 1-2 (August 3, 2010): 519. http://dx.doi.org/10.1007/s11104-010-0498-8.
Повний текст джерела
44
de Ruijter, F. J., J. F. M. Huijsmans, and B. Rutgers. "Ammonia volatilization from crop residues and frozen green manure crops." Atmospheric Environment 44, no. 28 (September 2010): 3362–68. http://dx.doi.org/10.1016/j.atmosenv.2010.06.019.
Повний текст джерела
45
Pál, Vivien, and László Zsombik. "Evaluation of the role of common vetch (Vicia sativa L.) green manure in crop rotations." Acta Agraria Debreceniensis, no. 1 (May 26, 2022): 161–71. http://dx.doi.org/10.34101/actaagrar/1/10364.
Повний текст джерелаАнотація:
Common vetch (Vicia sativa L.) is an annual legume, grown as green manure provide rapid soil cover, can increase soil moisture and organic matter content and reduce soil erosion during fall. During the fallow period, legumes grown as catch crops are known by releasing large amounts of mineral nitrogen (N) for the subsequent crop. By taking advantage of these benefits, it is possible to increase the yield of the next crop in an environmentally friendly and sustainable way. The goal of this study was to determine the value of common vetch as a green manure, considering its effect on soil conditions and the yield of next crops. We examined three different common vetch seed rate as a green manure in a crop rotation with triticale, oat and corn. Next to the green manured treatments, we used fertilized and bare fallow control treatment for comparison. In our study we evaluated the aboveground biomass weight of spring vetch green manure and its effect on the moisture content of the soil. We examined the green manure’s effect on the next crops plant height and yield. We found that the moisture content of the green manured plots was significantly higher during summer drought. On the green manured plots, 37.9% higher triticale yield, 50% higher oat yield and 44% higher corn yield were measured compared to the control plots. The insertion of spring vetch green manuring into crop rotations could be a good alternative to sustainable nutrient replenishment methods. It can be used to reduce the input needs of farming, reduce carbon footprint, contribute to the protection of soils and increase the organic matter content of the soil.
46
Evans, J., G. Scott, D. Lemerle, A. Kaiser, B. Orchard, G. M. Murray, and E. L. Armstrong. "Impact of legume 'break' crops on the residual amount and distribution of soil mineral nitrogen." Australian Journal of Agricultural Research 54, no. 8 (2003): 763. http://dx.doi.org/10.1071/ar02149.
Повний текст джерелаАнотація:
Important factors in the successful uptake of grain legumes by cereal growers have been their capacity to increase soil N and control cereal disease, as these have underpinned high yields in following wheat crops. However, alternative 1-year legume crops are required to introduce additional biodiversity and management flexibility for cereal growers. The effects on soil mineral N and potential contribution to soil total N of other legume enterprises were studied. These included vetch (Vicia bengalhensis) or clovers (mix of Trifolium alexandrinum, T.�versiculosum, T. resupinatum) managed for green manure; pea (Pisum sativum), vetch, or clovers managed for silage; and clovers managed for hay. These were compared with pea and lupin (Lupinus angustifolius) managed for grain production. Wheat was also included as a control. The legumes were grown in acidic Red Kandasol soil at Wagga Wagga in southern New South Wales, in 1996, 1997, and 1998. Mineral N was measured in the autumn or winter of seasons 1997 and 1998 respectively. Amounts of stubble residue N were measured in all seasons. The green manure crops, particularly vetch, produced more mineral N than both grain legumes. The forage conservation crops (silage or hay) produced similar amounts of mineral N to grain pea and more than grain lupin. For the grain and green manure legume crops, variation in amounts of mineral N was explained by the total N content of legume stubble residue, but for the forage conservation crops, more mineral N was measured than was predictable from stubble N. The amounts of mineral N at different soil depths differed between legume treatments and experiments (sites and years). Based only on above-ground plant N, the green manure crops contributed more to increasing total soil N than grain legumes; in turn, the grain legumes contributed more than the forage conservation crops. It was concluded that alternative annual legume enterprises to grain legumes may provide at least similar enrichment of soil mineral N early in the following season, and that all annual legume enterprises may accumulate nitrate deep in the soil profile in some seasons.
47
Irin, IJ, PK Biswas, MJ Ullah, TS Roy, and MA Khan. "Influence of Green Manuring Crops on Dry Matter Production and Soil Health Improvement." Bangladesh Agronomy Journal 22, no. 1 (January 7, 2020): 39–45. http://dx.doi.org/10.3329/baj.v22i1.44929.
Повний текст джерелаАнотація:
The field experiment was conducted at the Agronomy farm of Sher-e-Bangla Agricultural University to evaluate the impact of different kind of green manures on soil nutrient balance through adding biomass and N,P and K accumulation. Green manuring crops were incorporated after in situ cultivation and results showed that, the biomass incorporation increased the N production in soil. The biomass from Sesbania rostrata, Sesbania aculeata and Crotalaria juncea gave the higher dry matter and nutrient status. Incorporation of Sesbania rostrata and Sesbania aculeata added more organic matter and nitrogen to the soil after green manure incorporation than the prior soil. However, the improved soil quality was recorded with S. rostrata and S. aculeata followed by C. juncea and V. unguiculata incorporation as compared to control (no green manure) and other green manuring crops. The nutrient balance of soil after incorporation of different green manuring crops specially S. rostrata, S. aculeata and C. juncea showed positive balance of nutrients than other green manures.
Bangladesh Agron. J. 2019, 22(1): 39-45
48
Wu, Feifei, Lei Zhang, Yueqiu Liu, Yunxia Cheng, Jianya Su, Thomas W. Sappington, and Xingfu Jiang. "Population Development, Fecundity, and Flight of Spodoptera frugiperda (Lepidoptera: Noctuidae) Reared on Three Green Manure Crops: Implications For an Ecologically Based Pest Management Approach in China." Journal of Economic Entomology 115, no. 1 (December 13, 2021): 124–32. http://dx.doi.org/10.1093/jee/toab235.
Повний текст джерелаАнотація:
Abstract The fall armyworm, Spodoptera frugiperda (Smith), is an invasive pest of cereal crops that now inhabits southern China year-round. Cultivation of crops unsuitable as host plants has been an effective pest management strategy for some insect pests, but the effects of green manure crops on S. frugiperda have not been investigated. An age-stage two-sex life table and tethered flight performance of S. frugiperda reared on different green manure species were obtained, and a population dynamics model established. Developmental durations of stages, survival rates, and fecundities of S. frugiperda differed significantly depending on host plant. Larvae fed Astragalus sinicus L. did not complete development. Although some larvae fed Vicia villosa Roth and Vicia sativa L. completed development, generation time was significantly prolonged, egg production was halved, and net reproductive rate decreased to 31% and 3% of those reared on corn, respectively. Survival rates of early-instars fed V. villosa and V. sativa were significantly lower than those fed corn. Population dynamics projections over 90 d showed the number of generations of S. frugiperda fed on V. villosa and V. sativa was reduced compared to those reared on corn. Flight performance of S. frugiperda reared on V. villosa decreased significantly compared to corn. Our results show that the three green manure species are unsuitable host plants for S. frugiperda. Therefore, reduction of corn production in southern China through rotation with these green manure crops may be a feasible method of ecological management of this major corn pest in China.
49
S.H.S. Senarathne. "Influence of Long Term Application of Green Manure on the Productivity of Coconut Cultivated in Reddish Brown Latosolic Soils in Sri Lanka." CORD 33, no. 2 (October 1, 2017): 10. http://dx.doi.org/10.37833/cord.v33i2.49.
Повний текст джерелаАнотація:
Organic matter contributes in maintaining soil fertility in agriculture. Green leaf biomasses of Gliricidia sepium and Tithonia diversifolia are high in plant nutrients and recognized as potential green manure sources for many crops. In a field experiment carried out in a coconut plantation with Reddish Brown Latosolic soil, two green manure crops were grown to study their abilities and establishment in coconut avenues and to evaluate their effect on nut yield. In situ green manuring, especially with legumes, had the most beneficial effect on soil improvement. The use of green biomass alone has improved soil properties. The biomasses of Gliricidia and Tithonia decomposed rapidly after application to the soil, and incorporated biomass would be an effective source of N, P and K for crops. Results showed that, coconut yields were significantly increased with the incorporation of green biomass of Gliricidia and Tithonia than with commercial inorganic fertilizer application. Mean nut yield for five years in the green manure applied plots was (37-46%) significantly (P < 0.05) higher, compared to that of the inorganic fertilizer applied plots towards the latter part of the experiment. Addition of green manure has significantly (P < 0.05) improved the soil parameters i.e. soil N (by 75%), organic C content (by 86%) and soil microbial activity (by 52%). Soil bulk density has been reduced by 20% which enhances the root growth. The improvement of soil moisture content by 92% is of great importance for coconut in withstanding the frequent dry spells which are on increasing trend with the present climatic change situations. There was no significant effect of green manures on soil pH and P but P content was improved with the use of green biomasses of Gliricidia and Tithonia.
50
Ustroev, Anatoliy A., and Evgeniy A. Murzaev. "Efficiency of using seeder crops for uncomplacing soil in the technology of cultivation of potato." Agrarian science, no. 11-12 (January 20, 2021): 101–4. http://dx.doi.org/10.32634/0869-8155-2020-343-11-101-104.
Повний текст джерелаАнотація:
Relevance. The formation of the potato yield, along with a balanced diet, is significantly influenced by the physical condition of the soil, namely the hardness of the soil. As a basic option for soil decompaction, a technological method of soil cultivation to a depth of up to 40 cm using chiselless tools is currently used. As an alternative, biological means of soil decompaction can be used by introducing fields occupied by green manure crops into the crop rotation during the entire field season. The purpose of the research is to assess the effectiveness of a new technological method of soil decompaction, which consists in the use of green manure crops in potato crop rotation.Materials and methods. Experimental studies were carried out from June to August 2019 on the experimental field of the IAEP in the crop rotation of growing organic potatoes. The previous cultivation was autumn plowing of the field from under perennial grasses. Yellow mustard was used as a green manure — a fast-growing one-year green manure crop.Results. The results of experimental studies of the influence of sowing green manure (yellow mustard) on the change in soil hardness in a fallow field in a potato crop rotation are presented. The high efficiency of the studied biological method of soil decompaction was established, providing a decrease in hardness in the zone where the “plow sole” was previously noted from 4.8 to 2.5 MPa.