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Artigos de revistas sobre o tema "Wheat Spacing"

Autor: Grafiati
Publicado: 4 de junho de 2021
Última modificação: 31 de janeiro de 2023

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1

Xie, H. S., D. R. S. Rourke, and A. P. Hargrave. "Effect of row spacing and seed/fertilizer placement on agronomic performance of wheat and canola in zero tillage systems." Canadian Journal of Plant Science 78, no. 3 (July 1, 1998): 389–94. http://dx.doi.org/10.4141/p97-063.

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Field experiments were carried out in Manitoba to investigate the agronomic response of zero till-grown spring wheat (Triticum aestivum L.) and canola (Brassica napus L.) to different row spacing and seed/fertilizer placement treatments. Wheat yield was very poor at 51-cm row spacing in comparison with those at 25- and 38-cm row spacings. Wheat performance between the row spacings of 25- and 38-cm was generally similar, especially coupled with paired-row seed/fertilizer placement; and canola performance tended to be better at 38-cm row spacing relative to 25-cm row spacing. Among three types o
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2

Zhou, X. B., Y. H. Chen, and Z. Ouyang. "Spacing between rows: effects on water-use efficiency of double-cropped wheat and soybean." Journal of Agricultural Science 153, no. 1 (December 16, 2013): 90–101. http://dx.doi.org/10.1017/s0021859613000890.

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SUMMARYProductivity and water resource usage efficiency are crucial issues in sustainable agriculture. The aims of the present research were to compare and evaluate the soil moisture content (SMC), evapotranspiration (ETa), yield, water-use efficiency (WUE), and net return of winter wheat (Triticum aestivum L.) and soybean [Glycine max (L.) Merr.] under different plant population distribution patterns and to identify the possible ways to improve water utilization. Using the same plant population for a given crop, the experiments consisted of four spacings between rows (row spacings) for winter
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3

Koscelny, Jeffrey A., Thomas F. Peeper, John B. Solie, and Stanley G. Solomon. "Seeding Date, Seeding Rate, and Row Spacing Affect Wheat (Triticum aestivum) and Cheat (Bromus secalinus)." Weed Technology 5, no. 4 (December 1991): 707–12. http://dx.doi.org/10.1017/s0890037x0003373x.

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Field experiments were conducted in Oklahoma to determine the effects of winter wheat seeding date and cheat infestation level on cultural cheat control obtained by increasing winter wheat seeding rates and decreasing row spacing. Seeding rate and row spacing interactions influenced cheat density, biomass, or seed in harvested wheat (dockage) at two of three locations. Suppressive effects on cheat of increasing wheat seeding rates and reduced row spacings were greater in wheat seeded in September than later. At two other locations, increasing seeding rate from 67 to 101 kg ha–1or reducing row
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4

Amjad, M., and W. K. Anderson. "Managing yield reductions from wide row spacing in wheat." Australian Journal of Experimental Agriculture 46, no. 10 (2006): 1313. http://dx.doi.org/10.1071/ea04182.

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Experiments were conducted to investigate row spacing effects on wheat yield and grain quality and the interactions between row spacing and cultivars, plant population density, nitrogen application rate, time of sowing, fertiliser placement and row spread from 2000 to 2002 in the south coast region of Western Australia. In the experiments that were conducted following pasture or lupins, wider row spacings of 240 and 360 mm consistently reduced wheat yield and increased grain protein and small grain screenings compared with a narrow row spacing of 180 mm. Average plant numbers were reduced in t
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5

Sandler, Leah, Kelly A. Nelson, and Christopher Dudenhoeffer. "Winter Wheat Row Spacing and Alternative Crop Effects on Relay-Intercrop, Double-Crop, and Wheat Yields." International Journal of Agronomy 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/369243.

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In Missouri as well as much of the Midwest, the most popular double-cropping system was winter wheat (Triticum aestivumL.) followed by soybean (Glycine max(L.) Merr). These two crops can also be used in an intercrop system, but optimal row spacing was important to increase crop productivity. Research was conducted to evaluate (1) winter wheat inter- and double-crop production systems, using a variety of alternative crops, and (2) the impact of different wheat row spacings on intercrop establishment and yields within the various cropping systems. Field research was conducted during droughts in
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6

Lafond, G. P., G. W. Clayton, A. M. Johnston, W. E. May, D. A. Derksen, and F. C Stevenson. "Nitrogen management systems to optimize spring wheat under no-till: Effects on plant development." Canadian Journal of Plant Science 86, no. 2 (May 5, 2006): 443–51. http://dx.doi.org/10.4141/p05-062.

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Surface residues and standing stubble protect soil against erosion and mitigate against crop water deficits by conserving additional moisture. However, residues and stubble can also present a dilemma for producers practising no-till in terms of nitrogen (N) fertilizer management and row spacing. The objective of this research was to determine how row spacing, N management using urea and two rates of post-emergent herbicide (66 and 100% of recommended) affect spring wheat establishment and plant development. The study was conducted using a no-till system and a canola-springwheat cropping system
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7

Lafond, G. P. "Effects of row spacing, seeding rate and nitrogen on yield of barley and wheat under zero-till management." Canadian Journal of Plant Science 74, no. 4 (October 1, 1994): 703–11. http://dx.doi.org/10.4141/cjps94-127.

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Adopting water-conserving tillage practices on the Canadian prairies will protect the soil against erosion while conserving soil water. The use of tall-standing stubble to conserve water creates a dilemma for producers because maximum yields can only be obtained with narrow rows, and tall stubble may limit the use of narrow row spacings. A 4-yr study on a thin Black clay soil investigated the effects of three row spacings (10, 20 and 30 cm), six seeding rates (34, 67, 100, 134, 168 and 202 kg ha−1 for wheat and 27, 54, 81, 108, 134 and 161 kg ha−1 for barley) and two rates of N (low and high)
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8

Yunusa, IAM, RK Belford, D. Tennant, and RH Sedgley. "Row spacing fails to modify soil evaporation and grain yield in spring wheat in a dry Mediterranean environment." Australian Journal of Agricultural Research 44, no. 4 (1993): 661. http://dx.doi.org/10.1071/ar9930661.

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The loss of moisture by evaporation from soil under crop canopies (Esc) has been recognized as a major cause of poor water use efficiency (WUE), and hence poor grain yield, in crops grown in environments with limited rainfall. Agronomic approaches to restrain Esc aim to reduce the transmission of solar radiation to the soil beneath the crop by improving ground cover by the crop canopy. However, the sparse canopies produced in these environments have a limited effect on evaporation during the energy dependent first stage (Es1); much of the evaporation is independent of energy at the soilsurface
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9

Sprigg, Hayden, Robert Belford, Steve Milroy, Sarita Jane Bennett, and David Bowran. "Adaptations for growing wheat in the drying climate of Western Australia." Crop and Pasture Science 65, no. 7 (2014): 627. http://dx.doi.org/10.1071/cp13352.

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This study investigated the effects of predicted changes in rainfall distribution in marginal (≤325 mm annual rainfall) parts of the south-west Australian wheatbelt and options for management and adaptation of the wheat crop. Field experiments with rain-out shelters and irrigation were conducted in 2008 and 2009 to investigate the interactions of rainfall distribution, row spacing, genotype and timing of nitrogen application on growth, water use and grain yield of spring wheat. Water storage before seeding showed potential to maintain or increase yields despite lower in-season rainfall. Wideni
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10

Satyawali, Kavita, Sumit Chaturvedi, Neema Bisht, and V. C. Dhyani. "Impact of planting density on wheat crop grown under different tree species in tarai agroforestry system of central himalaya, India." Journal of Applied and Natural Science 10, no. 1 (March 1, 2018): 30–36. http://dx.doi.org/10.31018/jans.v10i1.1573.

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A field trial based Agroforestry system was established at Pantnagar during Rabi season 2012-13 for predicting the effect of spacing on growth and yield of wheat (Triticum aestivum L.) under Eucalyptus camaldulensis and Melia azedarach. The experiment was carried out in split-plot design consisting of two tree species in main plot, viz, Eucalyptus camaldulensis and Melia azedarch and four spacing treatments in sub-plot viz, 3.0m×1.0m, 3.0m×1.5m, 3.0m×2.0m and 3.0m×2.5m with three replications. The wheat crop variety“UP-2338” was sown on December 06, 2012 and harvested on April 27, 2013. Among
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11

Shweta. "Effects of interaction of poplar-wheat intercropping system on soil quality and yield of wheat (Triticum aestivum L.)." Bangladesh Journal of Botany 49, no. 3 (September 20, 2020): 679–83. http://dx.doi.org/10.3329/bjb.v49i3.50010.

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The significantly higher wheat grain yield in open condition i.e. in control was recorded (4.33 t/ha) over to poplar intercropping. Under the poplar plantation, wheat yield significantly affected and paired row plantation (18 × 2 × 2 m spacing) provides significantly higher grain yield and to 5 × 4 m and 10 × 2 m spacing.
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12

Salgado, Jorge David, Laura E. Lindsey, and Pierce A. Paul. "Effects of Row Spacing and Nitrogen Rate on Wheat Grain Yield and Profitability as Influenced by Diseases." Plant Disease 101, no. 12 (December 2017): 1998–2011. http://dx.doi.org/10.1094/pdis-03-17-0414-re.

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In Ohio, changes in nitrogen (N) fertilizer application rates and row spacing in combination with fungicide applications have been proposed as possible strategies for increasing wheat productivity and profitability. Field experiments were conducted in 2013, 2014, and 2015 to evaluate the benefits of increasing row spacing and N rates in soft red winter wheat as influenced by diseases. Combinations of narrow (19 cm) and wide (38 cm) row spacings, N rates ranging from 34 to 180 kg ha−1, and the fungicide prothioconazole + tebuconazole applied at flag leaf emergence, boot, or early anthesis repre
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13

Das, T. K., and N. T. Yaduraju. "Effects of missing-row sowing supplemented with row spacing and nitrogen on weed competition and growth and yield of wheat." Crop and Pasture Science 62, no. 1 (2011): 48. http://dx.doi.org/10.1071/cp10203.

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Crop husbandry practices, i.e. sowing method, row spacing, and nitrogen (N) fertilisation, influence weed competition in a crop and play a role in ecological weed management. Missing-row sowing is a novel method of sowing wheat, with one row left unsown after several rows of continuous sowing. It affects density and spatial uniformity of wheat, which may influence the wheat plants’ competitiveness and weed suppression. It may have interactions with row spacing and N, which may further improve crop–weed balance, but is rarely studied in India or elsewhere. We undertook this study to optimise th
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14

Larney, F. J., T. Ren, S. M. McGinn, C. W. Lindwall, and R. C. Izaurralde. "The influence of rotation, tillage and row spacing on near-surface soil temperature for winter wheat in southern Alberta." Canadian Journal of Soil Science 83, no. 1 (February 1, 2003): 89–98. http://dx.doi.org/10.4141/s01-076.

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Soil and crop management practices and their effects on surface residue levels can modify soil temperature. Our study investigated the effect of rotation, tillage and row spacing on near-surface (0.025 m) soil temperature under winter wheat (Triticum aestivum L.) in 1993-1994 and 1994-1995. The main treatment was winter wheat rotation: continuous winter wheat (WW); winter wheat-canola (Brassica campestris L.) (WC) or winter wheat-fallow (WF)] with tillage sub-treatments of conventional tillage (CT) vs. zero tillage (ZT) and row spacing treatments of uniform row (UR) vs. paired row (PR) spacing
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15

McLeod, J. G., C. A. Campbell, Y. Gan, F. B. Dyck, and C. L. Vera. "Seeding depth, rate and row spacing for winter wheat grown on stubble and chemical fallow in the semiarid prairies." Canadian Journal of Plant Science 76, no. 2 (April 1, 1996): 207–14. http://dx.doi.org/10.4141/cjps96-039.

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Recommendations regarding seeding depth, rate and row spacing for winter wheat (Triticum aestivum L.) production in the semiarid Canadian prairies have been extrapolated from those for the production of spring wheat in the region, or from information on winter wheat studies conducted in more humid areas of Saskatchewan. A factorial combination of two seeding depths (25- vs. 50-mm), two row spacing (18- vs. 36-cm) and two seeding rates (30 vs. 60 kg ha−1) was used to study plant establishment, grain yield and grain quality of winter wheat in the semiarid Brown soil zone. Three years of experime
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16

Kandel, Hans J., Dulan P. Samarappuli, Kory L. Johnson, and Marisol T. Berti. "Soybean Relative Maturity, Not Row Spacing, Affected Interseeded Cover Crops Biomass." Agriculture 11, no. 5 (May 13, 2021): 441. http://dx.doi.org/10.3390/agriculture11050441.

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Adoption of cover crop interseeding in the northwestern Corn Belt in the USA is limited due to inadequate fall moisture for establishment, short growing season, additional costs, and need for adapted winter-hardy species. This study evaluated three cover crop treatments—no cover crop, winter rye (Secale cereale L.), and winter camelina (Camelina sativa (L.) Crantz)—which were interseeded at the R6 soybean growth stage, using two different soybean (Glycine max (L.) Merr.) maturity groups (0.5 vs. 0.9) and two row spacings (30.5 vs. 61 cm). The objective was to evaluate these treatments on cover
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17

Teich, A. H., T. Welacky, A. Hamill, and A. Smid. "Row-spacing and seed-rate effects on winter wheat in Ontario." Canadian Journal of Plant Science 73, no. 1 (January 1, 1993): 31–35. http://dx.doi.org/10.4141/cjps93-005.

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This study was carried out to determine if winter wheat in southwestern Ontario should be grown in rows narrower than the conventional 18 cm and if the current recommended seed rate of 3.2 million seeds ha−1 (msh) is adequate. We compared the effect of 10- and 20-cm row spacings and 1.6, 3.2, and 6.4 msh seed rates on grain yield, weed growth and yield of underseeded clover. Row spacing at a constant seed rate did not affect yield. With increasing seed rate there was an increase in yield, mainly through more heads per unit area, which more than compensated for a decrease in seeds per head. Nar
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18

Porter, Paul M., and Ahmad Khalilian. "Wheat Response to Row Spacing in Relay Intercropping Systems." Agronomy Journal 87, no. 5 (September 1995): 999–1003. http://dx.doi.org/10.2134/agronj1995.00021962008700050038x.

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Blodgett, Sue L., P. M. Denke, Deb Waters, Matt Carroll, and Gregg Carlson. "Wheat Curl Mite Control on Winter Wheat, 1996." Arthropod Management Tests 22, no. 1 (January 1, 1997): 332. http://dx.doi.org/10.1093/amt/22.1.332.

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Abstract Wheat was seeded 14 Jun, at Northern Agriculture Research Center, Havre, MT. Plots measured 16 ft long and 2 rows wide (1-ft row spacing) and were arranged in a RCB design with 4 replications. Insecticide applications were made using a backpack, CO2-powered sprayer equipped with TeeJet XR8002VS nozzles, calibrated to deliver 8.2 gpa at 30 psi. Six of the most recently, fully expanded leaves per plot were selected for sampling. Number WCM per leaf and percent infested plants were determined by visual inspection with the aid of a dissecting microscope. Data were analyzed using GLM and m
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20

Lemerle, Deirdre, Peter Lockley, Eric Koetz, and Simon Diffey. "Herbicide efficacy for control of annual ryegrass (Lolium rigidum Gaud.) is influenced more by wheat seeding rate than row spacing." Crop and Pasture Science 64, no. 7 (2013): 708. http://dx.doi.org/10.1071/cp13211.

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Conservation cropping systems with no-till and stubble retention improve soil condition and water conservation. However, tillage is replaced by herbicides for weed control in these systems, increasing the threat of herbicide resistance. In the medium to high rainfall zones of the southern wheatbelt of Australia and under irrigation, wider row spacing is used to enable seeding into heavy stubble loads and to avoid stubble burning. Some evidence suggests that wider rows lead to reduced crop competitive ability and crop yields, greater herbicide dependence, and increased spread of resistance. Our
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Bailey, K. L., Guy P. Lafond, and Daryl Domitruk. "Effects of row spacing, seeding rate and seed-placed phosphorus on root diseases of spring wheat and barley under zero tillage." Canadian Journal of Plant Science 78, no. 1 (January 1, 1998): 145–50. http://dx.doi.org/10.4141/p96-163.

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Changes in tillage and other agronomic practices have shown benefits of increased grain yield for many crops, but these changes may alter the micro-environment resulting in changes to populations of disease-causing agents and other micro-organisms. This study examined the effects of row spacing (10, 20, 30 cm), seeding rate (54, 108, 161 kg ha−1 for barley; 67, 134, 202 kg ha−1 for spring wheat) and seed-placed phosphorus (0, 8, 16 kg ha−1) on root diseases in spring wheat and barley using a zero-tillage production system in four environments. Root rot severity was assessed by visual ratings a
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22

Larney, F. J., and C. W. Lindwall. "Winter wheat performance in various cropping systems in southern Alberta." Canadian Journal of Plant Science 74, no. 1 (January 1, 1994): 79–86. http://dx.doi.org/10.4141/cjps94-014.

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A study was conducted in southern Alberta from 1984 to 1992 to determine the feasibility of growing dryland winter wheat (Triticum aestivum L.) in various systems with different crop rotations, tillage treatments and row configurations. Winter wheat was grown continuously and in 2-yr rotations with fallow, canola (Brassica campestris L.) and lentils (Lens culinaris Medic), under conventional, minimum and zero tillage. Each phase of each rotation was grown every year. Flax (Linum usitatissimum L.) replaced lentils after 4 yr of the study. After the first year, winter wheat after fallow out-yiel
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23

Justice, Greg G., Thomas F. Peeper, John B. Solie, and Francis M. Epplin. "Net Returns from Cheat (Bromus secalinus) Control in Winter Wheat (Triticum aestivum)." Weed Technology 7, no. 2 (June 1993): 459–64. http://dx.doi.org/10.1017/s0890037x00027883.

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In field experiments, wheat row spacing, seeding rate, and herbicide treatment affected cheat seed content of harvested wheat, wheat yield, and net returns. No individual practice or combination of practices consistently increased net returns from cheat-infested wheat. Net returns frequently were increased and never decreased by applying metribuzin at 420 g ha−1 or chlorsulfuron + metsulfuron at 21.9 + 4.4 g ha−1 or by increasing the seeding rate compared to baseline inputs. The data indicate that herbicide rates should not be reduced when row spacing is decreased and/or seeding rates increase
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Lafond, G. P., and D. A. Derksen. "Row spacing and seeding rate effects in wheat and barley under a conventional fallow management system." Canadian Journal of Plant Science 76, no. 4 (October 1, 1996): 791–93. http://dx.doi.org/10.4141/cjps96-132.

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Varying seed row spacing had no effect on the yield of spring wheat (Triticum aestivum L.) or barley (Hordeum vulgare L.) when grown under a conventional-tillage fallow-management system. Grain yields were improved with increased seeding rates by 14% in wheat and 32% in barley. The absence of a row-spacing-by-seeding-rate interaction suggests that adjustments in seeding rates are not required with changes in row spacing. The presence of surface residues and standing stubble cannot explain the lack of a row-spacing effect when using a zero-tillage stubble-cropping system, since similar results
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Koscelny, Jeffrey A., Thomas F. Peeper, John B. Solie, and Stanley G. Solomon. "Effect of Wheat (Triticum aestivum) Row Spacing, Seeding Rate, and Cultivar on Yield Loss from Cheat (Bromus secalinus)." Weed Technology 4, no. 3 (September 1990): 487–92. http://dx.doi.org/10.1017/s0890037x00025823.

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Field experiments were conducted in Oklahoma to determine the effects of row spacing, cultivar, seeding rate, and water or ammonium polyphosphate fertilizer injection in the row at seeding, on the competitiveness of hard red winter wheat with cheat. Decreasing row spacing from 23 to 8 cm increased yield of weed-free wheat at two of three locations and cheat-infested wheat in six of ten experiments. Increasing seeding rate from 265 to 530 seeds m-2increased wheat yield. Injecting water at 20 ml m-1of row at seeding did not increase wheat emergence or yield. Cheat seed production was not consist
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Aula, Lawrence, Amanda C. Easterly, and Cody F. Creech. "Winter Wheat Seeding Decisions for Improved Grain Yield and Yield Components." Agronomy 12, no. 12 (December 3, 2022): 3061. http://dx.doi.org/10.3390/agronomy12123061.

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The continual re-evaluation of agronomic practices is necessary to improve crop performance and sustainability of the production of winter wheat (Triticum aestivum L.), particularly as genetics and climate conditions change. Recommendations made about winter wheat planting dates, spacing, variety, and seed rates under normal climatic conditions may not be suitable in current times with more climate variability. Our experiment investigated the effect of planting date (early, historic-optimum, and late), row spacing (19 and 25 cm), variety (Goodstreak, Robidoux, and Wesley), and seed rate (1.8,
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Sandhu, Sarabjot Kaur, and L. K. Dhaliwal. "Role of agronomic manipulations in modification of wheat microclimate under central Punjab." Journal of Applied and Natural Science 8, no. 4 (December 1, 2016): 1905–11. http://dx.doi.org/10.31018/jans.v8i4.1060.

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Wheat crop is influenced by different microclimatic parameters like solar radiation, canopy temperature etc. Agronomic manipulation like change in row spacing and row direction can be used as a strategy to modify the microclimate of crop. Keeping these facts in view, field trials were conducted during rabi 2012-13 and 2013-14 under two experiments in first experiment wheat varieties HD 2967, PBW 550 and PBW 343 were sown under three row spacing viz. 15 cm, 22.5 cm and 30 cm. In second experiment, wheat varieties HD 2967, PBW 550 and PBW 343 were sown under two row direction viz. North-South (N
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Kleemann, S. G. L., and G. S. Gill. "Influence of row spacing on water use and yield of rain-fed wheat (Triticum aestivum L.) in a no-till system with stubble retention." Crop and Pasture Science 61, no. 11 (2010): 892. http://dx.doi.org/10.1071/cp10124.

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A 3-year field study was undertaken to investigate the effect of row spacing on vegetative growth, grain yield and water-use efficiency of wheat. All 3 years of the study experienced 21–51% below-average rainfall for the growing season. Widening row spacing led to reduced biomass and tillers on per plant basis which could be related to the reduction in light interception by the wheat canopy in the wide rows which in turn could have reduced assimilate production. Reduction in vegetative growth in 54-cm rows translated into a significant reduction in grain yield which was strongly associated (r2
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Schillinger, William F., and Stewart B. Wuest. "Wide row spacing for deep-furrow planting of winter wheat." Field Crops Research 168 (November 2014): 57–64. http://dx.doi.org/10.1016/j.fcr.2014.08.006.

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Tompkins, D. K., G. E. Hultgreen, A. T. Wright, and D. B. Fowler. "Seed Rate and Row Spacing of No‐Till Winter Wheat." Agronomy Journal 83, no. 4 (July 1991): 684–89. http://dx.doi.org/10.2134/agronj1991.00021962008300040007x.

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Justice, Greg G., Thomas F. Peeper, John B. Solie, and Francis M. Epplin. "Net Returns from Italian Ryegrass (Lolium multiflorum) Control in Winter Wheat (Triticum aestivum)." Weed Technology 8, no. 2 (June 1994): 317–23. http://dx.doi.org/10.1017/s0890037x00038847.

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In field experiments at three locations, wheat row spacing, seeding rate, and herbicide treatment affected Italian ryegrass control, wheat yield, dockage in the grain, and net returns. Diclofop at 560 or 840 g ai/ha controlled Italian ryegrass better than chlorsulfuron at 18 or 26 g ai/ha. Net returns were increased at all locations by diclofop POST at either rate and at two locations by chlorsulfuron PRE at either rate. Although increasing the wheat seeding rate reduced dockage at two of three locations, net returns were maximized by herbicide application alone without increased seeding rates
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Maslova, Galina Andreevna, Alexander Nikolaevich Astashov, Valeriy Ivanovich Zhuzhukin, Aliia Zagitovna Bagdalova, and Alexander Alexandrovich Safronov. "Influence of the sowing method and the predecessor on the yield of new chickpea varieties." Agrarian Scientific Journal, no. 11 (November 29, 2021): 31–35. http://dx.doi.org/10.28983/asj.y2021i11pp31-35.

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The article presents the data of field experience on the study of the influence of the method of sowing and the predecessor on the yield of new chickpea varieties selected of the Federal State Budgetary Scientific Institution RosNIISK “Rossorgo”. As a result of the conducted analysis of variance, the share of the total variability of factor A – 12.95%, factor B – 65.59%, factor C – 3.92%, interaction of A*B – 9.14%, A*C – 0.83%, B*C – 4.35%, A*B*C – 2.17%, the remainder (unaccounted factors) – 1.05% was revealed. The ranking of varieties by seed yield was presented in the following order: Bene
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Zain, Muhammad, Zhuanyun Si, Jinsai Chen, Faisal Mehmood, Shafeeq Ur Rahman, Adnan Noor Shah, Sen Li, Yang Gao, and Aiwang Duan. "Suitable nitrogen application mode and lateral spacing for drip-irrigated winter wheat in North China Plain." PLOS ONE 16, no. 11 (November 12, 2021): e0260008. http://dx.doi.org/10.1371/journal.pone.0260008.

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To propose an appropriate nitrogen application mode and suitable drip irrigation lateral spacing, a field experiment was conducted during 2017–2018 and 2018–2019 growing seasons to quantify the different drip irrigation lateral spacings and nitrogen fertigation strategies effects on winter wheat growth, yield, and water use efficiency (WUE) in the North China Plain (NCP). The experiment consisted of three drip irrigation lateral spacing (LS) (40, 60, and 80 cm, referred to as D40, D60, and D80 respectively) and three percentage splits of nitrogen application modes (NAM) (basal and top dressing
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Borger, Catherine P. D., Glen P. Riethmuller, Michael Ashworth, David Minkey, and Abul Hashem. "Carrier Volume is More Likely to Impact Trifluralin Efficiency than Crop Residue." Weed Technology 29, no. 1 (March 2015): 63–70. http://dx.doi.org/10.1614/wt-d-14-00066.1.

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PRE herbicides are generally less effective in conservation farming systems because of high levels of crop residue. However, performance can be improved if the herbicides are applied with a high carrier volume. This research investigated the interaction of carrier volume and row spacing or height of crop residue on the control of rigid ryegrass with trifluralin, at Cunderdin and Wongan Hills Western Australia. To create plots with varying residue row spacing in 2011, wheat was seeded in 2010 using a narrow row spacing (25 or 22 cm at Cunderdin and Wongan Hills), wide spacing (50 or 44 cm), or
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Devi, Sudesh, V. S. Hooda, Jagdev Singh, and Anil Kumar. "Effect of planting techniques and weed control treatments on growth and yield of wheat." Journal of Applied and Natural Science 9, no. 3 (September 1, 2017): 1534–39. http://dx.doi.org/10.31018/jans.v9i3.1397.

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A field experiment was conducted to study the effect of different planting techniques (conventional drill sowing at 16, 18 and 20 cm row spacing and bed planting with two and three rows in main plots) and weed control treatments (pinoxaden 50 g/ha, ready-mix (RM) of carfentrazone and metsulfuron 25 g/ha and pinoxaden 50 g/ha + RM of carfentrazone and metsulfuron 25 g/ha in subplots) on growth and productivity of wheat. The grain yield under row spacing 18 cm (53.30 q/ha), and 20 cm (52.02 q/ha), and three rows bed planting (51.96 q/ha) were recorded statistically at par with each other and sig
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Singh, A. K., Ranjeet Singh, S. R. Yadav, A. S. Godara, S. P. Singh, M. J. Kaledhonkar, and B. L. Meena. "Saline Water Irrigation Through Drip for Groundnut-Wheat Cropping Sequence in Hyper Arid-Region of Rajasthan." Journal of Agricultural Engineering 58, no. 1 (March 31, 2021): 50–61. http://dx.doi.org/10.52151/jae2021581.1734.

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A field experiment was conducted to assess the suitability of saline water for irrigation, and to know the irrigation water requirement of groundnut-wheat cropping sequence in hyper-arid region of Rajasthan. In this split-plot experiment, the main plots had four levels of irrigation water salinity (ECiw0.25 (Best available water, BAW), 4, 8 and 12dS.m-1); and the sub-plots had combinations of two treatments on drip lateral spacing of 0.60 m and 0.90 m with 0.30 m emitter spacing, and three levels of irrigation water application (0.6, 0.8 and 1.0 times of pan evaporation (PE)). The highest biol
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Young, Frank L., Steven S. Seefeldt, and Gwen F. Barnes. "Planting Geometry of Winter Wheat (Triticum aestivum) Can Reduce Jointed Goatgrass (Aegilops cylindrica) Spikelet Production." Weed Technology 13, no. 1 (March 1999): 183–90. http://dx.doi.org/10.1017/s0890037x00045127.

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A 1984–1985 and 1988–1989 field study near Pullman, WA, evaluated the effect of two winter wheat planting geometries on the growth of wheat and competition against jointed goatgrass. Treatments included paired and constant row planting geometries of wheat and locations of jointed goatgrass within each geometry. No planting geometry by weed location interactions occurred at any harvest date for plant height, shoot number, leaf area, plant dry weight, or N uptake for either wheat or jointed goatgrass. During the 1984–1985 growing season, N uptake data indicated that by heading, jointed goatgrass
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Igamberdiev, A. K. "JUSTIFICATION OF TECHNOLOGICAL AND DESIGN PARAMETERS OF THE COLTER FOR WINTER WHEAT SEEDING IN COTTON ROW-SPACING." Traktory i sel hozmashiny 84, no. 2 (February 15, 2017): 16–20. http://dx.doi.org/10.17816/0321-4443-66257.

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In Uzbekistan, over 800 thousand hectares of irrigated area are used to grow winter wheat in row-spacing of growing cotton. They are mainly sown by spreading, then seeded with cotton cultivators. Disadvantages of the spreading method are high seed rates by 30...40 % and excessive energy costs due to multiple (3...4 times) passes of the unit. However, the issues related to the establishment of the dependence of the quality of cereal crops in cotton row-spacing on the main parameters of the colter and the row profiles in Uzbekistan have not been adequately studied. In this regard, the materials
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Mukherjee, Dhiman. "Evaluation of Performance of New Wheat Cultivar under Different Row Spacing." International Journal of Current Microbiology and Applied Sciences 6, no. 6 (June 10, 2017): 3186–91. http://dx.doi.org/10.20546/ijcmas.2017.606.375.

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., Khair Mohamamd Kakar, Muhammad Arif ., and Shaukat Ali . "Effects of NP Levels, Seed Rates and Row Spacing on Wheat." Pakistan Journal of Biological Sciences 4, no. 11 (October 15, 2001): 1319–22. http://dx.doi.org/10.3923/pjbs.2001.1319.1322.

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Moreno-Ramos, Oscar H., Julio Rodríguez-Casas, Donald Johnson, and Thomas L. Thompson. "Wheat Response to Population Density and Bed Spacing in Northwest Mexico." Cereal Research Communications 32, no. 2 (June 2004): 273–79. http://dx.doi.org/10.1007/bf03543310.

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Johnson, J. W., W. L. Hargrove, and R. B. Moss. "Optimizing Row Spacing and Seeding Rate for Soft Red Winter Wheat." Agronomy Journal 80, no. 2 (March 1988): 164–66. http://dx.doi.org/10.2134/agronj1988.00021962008000020005x.

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Xun Bo; SUN, ZHOU. "Farmland microclimate and yield of winter wheat under different row spacing." Tarım Bilimleri Dergisi 18, no. 1 (2012): 1–8. http://dx.doi.org/10.1501/tarimbil_0000001187.

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Farooq, Muhammad, Mubshar Hussain, Muhammad Mazhar Habib, Muhammad Shoaib Khan, Imran Ahmad, Shahid Farooq, and Kadambot H. M. Siddique. "Influence of seed priming techniques on grain yield and economic returns of bread wheat planted at different spacings." Crop and Pasture Science 71, no. 8 (2020): 725. http://dx.doi.org/10.1071/cp20065.

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A 3-year study evaluated the effect of different seed-priming techniques on the performance of two bread wheat (Triticum aestivum L.) cultivars, Seher-2006 and Shafaq-2006, planted in rows spaced at 22.5 or 30 cm. Three seed priming techniques—on-farm priming, hydropriming, and osmopriming (using CaCl2)—and an untreated control (dry seeds) were included in the study. Seed priming resulted in earlier and more uniform crop emergence and improved allometric and yield-related traits compared with untreated seeds. Hydropriming and osmopriming significantly improved the allometric traits of Seher-20
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Derebe, Bitwoded, Alemayehu Assefa, Alemu Abate, and Tilaye Anbes. "Maximizing Seed Quality and Seed Yield of Bread Wheat (Tritium aestivum L.) Through Agronomic Management in Amhara Region, Northwestern Ethiopia." Journal of Tropical Crop Science 9, no. 02 (June 27, 2022): 114–23. http://dx.doi.org/10.29244/jtcs.9.02.114-123.

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A study was conducted to determine the optimum seed rate and row spacing on Kekeba bread wheat seed yield and quality performance at Adet and Wonberema, Ethiopia. The study consists of field experiments that were conducted at Adet Research Center and Wonberema farmer’s field during the 2018 and 2019 cropping seasons, and laboratory experiments at the Seed Science Laboratory at Adet Research Centre. A factorial combination of eight seed rates (75, 100,125, 150, 175, 200, 225, and 250 kg.ha-1) and two-row spacing (20 cm and 30 cm) was arranged in a randomized complete block design with three rep
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46

Zhou, X. B., Y. H. Chen, and Z. Ouyang. "Effects of row spacing on soil water and water consumption of winter wheat under irrigated and rainfed conditions." Plant, Soil and Environment 57, No. 3 (March 4, 2011): 115–21. http://dx.doi.org/10.17221/130/2010-pse.

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The results of two seasons' work on soil water content (SWC), evapotranspiration (ET), total dry matter (TDM), and harvest index (HI) of crops under different row spacing (RS), as well as possible ways to improve water utilization, have been reported. Field experiments were carried out at the Experimental Farm of Shandong Agricultural University (36°09'N, 117°09'E) in 2006–2007 and 2007–2008. Four types of RS were treated under two different water conditions (rainfed and irrigated) and set up in a randomized plot design. RS did not exhibit any obvious effect
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Bhardwaj, Harbans L., and Anwar A. Hamama. "Cultivar, Planting Date, and Row Spacing Effects on Mungbean Performance in Virginia." HortScience 50, no. 9 (September 2015): 1309–11. http://dx.doi.org/10.21273/hortsci.50.9.1309.

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Mungbean [Vigna radiata (L.) R. Wilczek, Fabaceae] is one of the most important food legume crops in Asia. It is also gaining importance in other parts of the world such as Australia and Canada. The United States imported mungbean worth ≈22 million dollars during 2014. To establish domestic production and to determine if mungbean can be produced in rotation with winter wheat (Triticum aestivum L.), replicated experiments were conducted during 2012 and 2013 using two cultivars (Berken and TexSprout), two planting dates (early and late July), and two row spacings (37.5 and 75 cm). Cultivar and p
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48

Johnson, Donald R., and Glenn Studebaker. "Control of Armyworm in Wheat, 1990:." Insecticide and Acaricide Tests 18, no. 1 (January 1, 1993): 301. http://dx.doi.org/10.1093/iat/18.1.301.

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Abstract Treatments were applied on 14 May on ‘Florida 302’ variety winter wheat in Lonoke County, AR. Treatments were applied with a CO2 powered backpack sprayer with a 10-ft boom equipped with TX-4 hollow cone nozzles on a 19-inch spacing. The sprayer was calibrated to deliver 10.5 gal/acre at 40 psi. Plots were 10-ft wide by 40-ft long arranged in a RCB design with 4 replications. Plots were evaluated at 3 DAT by counting the number of armyworms in a 4-ft section of row in each plot.
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Johnson, Donald R., and Glenn Studebaker. "Control of Greenbug in Wheat, 1990:." Insecticide and Acaricide Tests 18, no. 1 (January 1, 1993): 301. http://dx.doi.org/10.1093/iat/18.1.301a.

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Abstract Treatments were applied on 11 Apr on ‘Magnum’ variety winter wheat in Lonoke County, AR. Treatments were applied with a CO2 powered backpack sprayer with a 10-ft boom equipped with TX-4 hollow cone nozzles on a 19-inch spacing. The sprayer was calibrated to deliver 10.5 gal/acre at 40 psi. Plots were 10-ft wide by 20-ft long arranged in a RCB design with 4 replications. Plots were evaluated at 2 and 7 DAT by counting the number of greenbugs in a 2-ft section of row in each plot.
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50

Elmiati, Reni, Zulfadly Syarif, and Auzar Syarif. "PRODUKTIVITAS GANDUM (Triticum aestivum L.) DAN CAISIM (Brassica rapa L.) PADA SISTEM TUMPANGSARI." Jurnal BiBieT 3, no. 1 (November 21, 2018): 1. http://dx.doi.org/10.22216/jbbt.v3i1.2215.

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<p>Penelitian tumpangsari gandum/caisim bertujuan untuk mengetahui pengaruh jarak tanam gandum (<em>Triticum aestivum L</em>.) dan waktu penanaman caisim (<em>Brassica rapa L</em>.) terhadap produktivitas gandum dan caisim. Caisim ditanam satu baris diantara dua baris gandum. Sebagai pembanding terhadap hasil, ditanam gandum dan caisim secara tunggal. Percobaan menggunakan rancangan acak kelompok (RAK) faktorial dengan 3 ulangan. Perlakuan meliputi jarak tanam gandum 20cm x 25cm, 25cm x 25cm dan 30cm x 25cm dan waktu tanam caisim 9 minggu setelah tanam gandum (MST
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