Thematische Bibliographien / Wheat Weed control

Inhaltsverzeichnis

  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher
  4. Buchteile
  5. Konferenzberichte

Auswahl der wissenschaftlichen Literatur zum Thema „Wheat Weed control“

Autor: Grafiati
Veröffentlicht am 4. Juni 2021
Zuletzt aktualisiert am 1. Februar 2022

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Zeitschriftenartikel zum Thema "Wheat Weed control"

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Sharofiddinova, M. J. "The Effects Of Weed Control Methods On Weeds In Cotton And Autumn Wheat Fields." American Journal of Agriculture and Biomedical Engineering 02, no. 12 (December 27, 2020): 9–13. http://dx.doi.org/10.37547/tajabe/volume02issue12-03.

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This article provides the results of harmonized weed control measures, which annual and biennial weeds in cotton and autumn wheat fields have been reduced by 80.2-82.7% in cotton fields and by 93.5% in autumn wheat fields.
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Buriro, U. A., F. C. Oad ., S. K. Agha ., and G. S. Solangi . "Post Emergence Weed Control in Wheat." Journal of Applied Sciences 3, no. 6 (May 15, 2003): 424–27. http://dx.doi.org/10.3923/jas.2003.424.427.

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Fırat PALA and Husrev MENNAN. "CHEMICAL WEED CONTROL RECOMMENDATIONS FOR WHEAT." ISPEC Journal of Agricultural Sciences 3, no. 1 (October 12, 2019): 19–32. http://dx.doi.org/10.46291/ispecjasvol3iss1pp19-32.

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A field study was conducted to evaluate the compatibility of herbicide tank mixtures in winter wheat (Triticum aestivum L.) Sagittario cv. in 2017-2019. Weed Index (VI) and Crop Injury (CI) of three mixtures prominent was recorded with mesosulfuron-methyl plus 2.4-D ethylhexyl ester + florasulam (5.8% and 1.5%) followed by pyroxsulam + florasulam + cloquintocet-mexyl plus 2.4-D dimethylamine salt (6.3% and 1.6%), and mesosulfuron-methyl + iodosulfuron-methyl-sodium plus bromoxynil + MCPA (7.1% and 0.0%), respectively. Weed Control Efficiency (WCE) was maximum with mesosulfuron-methyl + mefenpy
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Paliwal, Arunima, V. Pratap Singh, Tej Pratap, S. P. Singh, S. K. Guru, Neeshu Joshi, Sirazuddin, and A. Kumar. "Tillage and weed control effect on weeds and wheat productivity." Indian Journal of Weed Science 52, no. 2 (2020): 132. http://dx.doi.org/10.5958/0974-8164.2020.00024.6.

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Shahzad, Muhammad, Khawar Jabran, Mubshar Hussain, Muhammad Aown Sammar Raza, Leonard Wijaya, Mohamed A. El-Sheikh, and Mohammed Nasser Alyemeni. "The impact of different weed management strategies on weed flora of wheat-based cropping systems." PLOS ONE 16, no. 2 (February 18, 2021): e0247137. http://dx.doi.org/10.1371/journal.pone.0247137.

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The world population will rise in future, which would demand more wheat production to fulfil dietary needs of wheat-dependent population of the world. Food security in wheat-dependent regions will greatly rely on wheat productivity. Weed infestation is a major constraint reducing wheat productivity globally. Nonetheless, cropping systems and weed management strategies strongly influence weed infestation in modern agriculture. Herbicides are the key weed management tool in conventional agriculture. However, frequent use of herbicides have resulted in the evolution of herbicide-resistance weeds,
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Martín, Carolina San, Jennifer Gourlie, Judit Barroso, Drew J. Lyon, and Henry C. Wetzel. "Weed control with bicyclopyrone + bromoxynil in wheat." Crops & Soils 52, no. 1 (January 2019): 42–47. http://dx.doi.org/10.2134/cs2019.52.0103.

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Tewari, Tripti, PB Rao, and Ajit Kumar. "Wheat straw allelochemicals - implications for weed control." Journal of Hill Agriculture 8, no. 1 (2017): 61. http://dx.doi.org/10.5958/2230-7338.2017.00004.0.

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San Martín, Carolina, Drew J. Lyon, Jennifer Gourlie, Henry C. Wetzel, and Judit Barroso. "Weed Control with Bicyclopyrone + Bromoxynil in Wheat." Crop, Forage & Turfgrass Management 4, no. 1 (August 23, 2018): 1–6. http://dx.doi.org/10.2134/cftm2018.02.0011.

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Gerhards, R., M. Sökefeld, K. Schulze-Lohne, D. A. Mortensen, and W. Kühbauch. "Site Specific Weed Control in Winter Wheat." Journal of Agronomy and Crop Science 178, no. 4 (August 1997): 219–25. http://dx.doi.org/10.1111/j.1439-037x.1997.tb00494.x.

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Esehaghbeygi, Ali, Ali Tadayyon, and Shahin Besharati. "Effect of Droplet Size on Weed Control in Wheat." Journal of Plant Protection Research 51, no. 1 (January 1, 2011): 18–22. http://dx.doi.org/10.2478/v10045-011-0004-1.

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Effect of Droplet Size on Weed Control in WheatThe efficacy of different water volume and nozzle systems, comprising spinning-discs with two disc speeds (low volume, LV), a spinning-cage rotary atomizer (median volume, MV), a flat fan nozzle Teejet-11004 (high volume, HV), and no weed control, were assessed for the application of 2,4-D to control weeds in irrigated wheat. The herbicide was applied at the tillering stage of cultivated wheat, Ghods variety. Sprayer nozzle performance was evaluated in terms of wheat grain yield, weed shoot biomass, and wheat residual (straw), at the research farm
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Dissertationen zum Thema "Wheat Weed control"

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Tickes, Barry R., and E. Stanley Heathman. "Wheat Weed Control, Yuma County." College of Agriculture, University of Arizona (Tucson, AZ), 1985. http://hdl.handle.net/10150/200519.

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Kopan, Suzanne. "Mechanical weed control in conservation tillage." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Thesis/Spring2007/s_kopan_010207.pdf.

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Gaongalelwe, Motlhasedi Olebile. "Effect of delayed sowing and increased crop density on weed emergence and competition with wheat." Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09AFM/09afmg2118.pdf.

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Tickes, Barry R. "Canarygrass Control in Wheat." College of Agriculture, University of Arizona (Tucson, AZ), 1999. http://hdl.handle.net/10150/205161.

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Tickes, Barry. "Evaluation of Herbicides for Control of Littleseed Canarygrass in Wheat." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/204102.

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The two herbicides currently registered for the control of canarygrass in Arizona work by inhibiting lipid biosynthesis. The levels of control with these herbicides have been variable, ranging from 60 to 90 percent. Crop safety has been good. Two newer herbicides utilizing a different mode of action have provided more consistent and higher levels of weed control but with increased crop injury. These are numbered compounds (MKH6561 and F130060) and they are ALS inhibitors.
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Frihauf, John Carl. "Weed control efficacy and winter wheat response to saflufenacil." Diss., Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1603.

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Refsell, Dawn E. "Integrated weed management in Kansas winter wheat." Diss., Kansas State University, 2013. http://hdl.handle.net/2097/15742.

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Doctor of Philosophy<br>Department of Agronomy<br>J. Anita Dille<br>Integrated weed management (IWM) is an ecological approach to weed control that reduces dependence on herbicides through understanding of weed biology and involves using multiple weed control measures including cultural, chemical, mechanical and biological methods. The critical period of weed control is the duration of the crop life cycle in which it must be kept weed-free to prevent yield loss from weed interference. Eight experiments were conducted throughout Kansas between October 2010 and June 2012 to identify this perio
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Karim, S. M. Rezaul. "Competitive ability of four spring wheat varieties against fat hen (Chenopodium album L.)." Thesis, University of Aberdeen, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300958.

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This research programme sought to establish whether crop varieties had different competitive abilities against weeds and what the characteristics of competitive cultivars might be. A series of experiments studied the relative competitiveness with fat hen (<I>Chenopodium album</I>) of four spring wheat varieties Alexandria, Tonic, Canon and Baldus selected to represent different heights, tillering potentials and leaf angles. Additional experiments examined aspects of seed production, seed germination and seedling establishment of fat hen. In the glasshouse, all the wheat varieties were of simil
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Ottman, Michael, and Barry Tickes. "Weed Control for Wheat and Barley in the Low Deserts of Arizona." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2008. http://hdl.handle.net/10150/146707.

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3 pp.<br>Revised<br>Weeds can be a problem in wheat and barley especially where crop rotation is not practiced. An integrated approach to weed management can be followed. Chemical treatments are important tools in weed management to maintain yield and quality and prevent proliferation of weeds that could affect future crops.
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Bueno, Carmen de Lucas. "The role of cultivar choice for enhanced competitive ability of wheat." Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308027.

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Bücher zum Thema "Wheat Weed control"

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Wicks, Gail A. Jointed goatgrass control tactics. [Pullman, Wash: Washington State University, Extension, 2005.

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Rydrych, Donald J. Chemical fallow in Oregon dryland grain. [Corvallis, Or.]: Oregon State University Extension Service, 1985.

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Mallory, Ellen B. Frank Lange farm: Case study. [Pullman, WA]: Washington State University Cooperative Extension, 1999.

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Mallory, Ellen B. Direct seeding in the Inland Northwest: Frank Lange farm case study. [Pullman, WA]: Washington State University Cooperative Extension, 1999.

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Maxwell, Darrell C. Strategies with herbicides in summer fallow. [Corvallis, Or.]: Oregon State University Extension Service, 1985.

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Mallory, Ellen B. Aeschliman farm: Case study. [Pullman, WA]: Washington State University, 1999.

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Mallory, Ellen B. John Rea farm: Case study. [Pullman, WA]: Washington State University Cooperative Extension, 1999.

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Mallory, Ellen B. Thomas farm: Case study. [Pullman, WA]: Washington State University, 2000.

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Mallory, Ellen B. Ensley farm: Case study. [Pullman, WA]: Washington State University, 2000.

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O'Donovan, J. T. Influence of grass weeds on the yield and profitability of field crops in western Canada. Vegreville, AB: Alberta Environmental Centre, 1990.

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Buchteile zum Thema "Wheat Weed control"

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Appleby, Arnold P. "Weed Control in Wheat." In Agronomy Monographs, 396–415. Madison, WI, USA: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/agronmonogr13.2ed.c21.

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Murdoch, Alistair J. ""Section 2.1: Cereals"Sustainable Weed Control in Small Grain Cereals (Wheat/Barley)." In Weed Control, 215–37. Boca Raton, FL:CRC Press,[2018]"A Science publishers book."|Include bibliographical references and index.: CRC Press, 2018. http://dx.doi.org/10.1201/9781315155913-11.

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Jabran, Khawar. "Wheat Allelopathy for Weed Control." In Manipulation of Allelopathic Crops for Weed Control, 13–20. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-53186-1_2.

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Grey, Timothy L., and Larry J. Newsom. "Winter Wheat Response to Weed Control and Residual Herbicides." In Wheat Improvement, Management and Utilization. InTech, 2017. http://dx.doi.org/10.5772/67305.

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Perkins, John H. "Science and the Green Revolution 1945-1975." In Geopolitics and the Green Revolution. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195110135.003.0013.

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In the years after the end of World War II, farmers, agricultural scientists, and policy makers in many countries all knew, or learned, that higher yields of wheat were what they wanted, and they were successful in achieving them. Their specific motivations were different, but their objectives were not. Not only were the objectives clear, but a central method by which the higher yields were to be achieved was plant breeding. Plant breeding itself was an applied science that had to be nested within organizations that supported it and its allies in the agricultural, biological, and engineering sciences. By 1950 wheat breeders believed that the number of factors governing yield was small, which meant that the research avenues likely to be fruitful were also few in number. The amount of water available and the responsiveness to soil fertility, especially nitrogen, were in most cases the key ingredients for higher yields. For wheat, the ability of the plant to resist invasion by fungal pathogens was almost as important as water and soil fertility. Water and fertility were needed in every crop year, but damage from fungal pathogens varied with weather. Thus plant disease was not necessarily a destructive factor every year. Control of water, soil fertility, and plant disease was therefore at the center of research programs in wheat breeding. A wheat breeder would find success if his or her program produced new varieties that gave higher yields within the context of water, soil fertility, and plant disease existing in the area. Ancillary questions also existed and in some cases matched the major factors in importance. Weed control was always a problem, so high-yielding wheat had to have some capacity to resist competition from weeds. Similarly, in some areas and some years, insects could cause damage. Wheat varieties therefore had to be able to withstand them somehow. Other factors of importance to wheat breeders were habit of growth and the color and quality of the grain. Winter wheats were useful in climates that had winters mild enough to allow planting in the fall and thus higher yields the next summer.
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Pilipavicius, Vytautas. "Herbicides in Winter Wheat of Early Growth Stages Enhance Crop Productivity." In Herbicides - Properties, Synthesis and Control of Weeds. InTech, 2012. http://dx.doi.org/10.5772/31303.

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Myers, Judith H. "Predicting the Outcome of Biological Control." In Evolutionary Ecology. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195131543.003.0035.

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The movement of humans around the earth has been associated with an amazing redistribution of a variety of organisms to new continents and exotic islands. The natural biodiversity of native communities is threatened by new invasive species, and many of the most serious insect and weed pests are exotics. Classical biological control is one approach to dealing with nonindigenous species. If introduced species that lack natural enemies are competitively superior in exotic habitats, introducing some of their predators (herbivores), diseases, or parasitoids may reduce their population densities. Thus, the introduction of more exotic species may be necessary to reduce the competitive superiority of nonindigenous pests. The intentional introduction of insects as biological control agents provides an experimental arena in which adaptations and interactions among species may be tested. We can use biological control programs to explore such evolutionary questions as: What characteristics make a natural enemy a successful biological control agent? Does coevolution of herbivores and hosts or predators (parasitoids) and prey result in few species of natural enemies having the potential to be successful biological control agents? Do introduced natural enemies make unexpected host range shifts in new environments? Do exotic species lose their defense against specialized natural enemies after living for many generations without them? If coevolution is a common force in nature, we expect biological control interactions to demonstrate a dynamic interplay between hosts and their natural enemies. In this chapter, I consider biological control introductions to be experiments that might yield evidence on how adaptation molds the interactions between species and their natural enemies. I argue that the best biological control agents will be those to which the target hosts have not evolved resistance. Classical biological control is the movement of natural enemies from a native habitat to an exotic habitat where their host has become a pest. This approach to exotic pests has been practiced since the late 1800s, when Albert Koebele explored the native habitat of the cottony cushion scale, Icrya purchasi, in Australia and introduced Vadalia cardinalis beetles (see below) to control the cottony cushion scale on citrus in California. This control has continued to be a success.
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Elhaik, Tarek. "The Incurable Park: Fundidora." In The Incurable-Image. Edinburgh University Press, 2016. http://dx.doi.org/10.3366/edinburgh/9781474403351.003.0006.

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This chapter is a pedagogical experiment in curatorial design that takes issue with humanist and socially oriented forms of collaboration in the age of ethnography. In 2013 the author had the opportunity to conduct a one-week seminar and deliver a public lecture in the context of the ‘Curation and Critique’ series programmed by Javier Toscano at the Escuela Adolfo Prieto in Mexico's industrial city of Monterrey. The seminar was designed to explore the concept of the incurable-image with twelve participants active in Monterrey's contemporary art scene. To this end, participants embarked on a thought experiment and a collaborative essay that would diagnose one of Monterrey's postindustrial landmarks: Parque Fundidora. This chapter first describes Toscano's curatorial work before discussing the interplay of control and curation in the layout of what seminar participants refer to as the ‘Incurable Park’. Through collaboration, this chapter tests the limits of ethnography, curation, and conceptual pedagogy.
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Gupta, Swarna Biseria, Divya Verma, and D. P. Singh. "Case Study." In Ophthalmology, 211–16. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5195-9.ch013.

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Epidemic dropsy is a multi-system disease involving the cardiovascular, hepatic, renal, ocular and other systems. Onset is usually subacute or insidious with watery diarrhea and vomiting. This lasts from a few days to more than a week. Bilaterally symmetrical pitting edema of the lower limbs extending from the ankles up to the scrotum and abdominal wall is a constant feature. It is a toxic disease caused by the unintentional ingestion of Argemone mexicana (prickly yellow poppy) seeds as an adulterant of wheat flour, or more commonly, of cooking oil such as mustard oil. Sanguinarine and dehydrosanguinarine are two major toxic alkaloids of Argemone oil. It is a rare phenomenon for practicing ophthalmologists to observe cases of epidemic dropsy, and the possibility of glaucoma should be kept in mind in cases of epidemic dropsy, when members of same family or village report with raised IOP, pedal edema and history of use of mustard oil for cooking or massage. Glaucoma is hypersecretory in nature; prostaglandin and histamine release may have significant roles in its pathogenesis. The disease has self limiting course but needs good control of intraocular pressure (IOP) medically till it returns to normal and visual field changes have stabilized. Its early diagnosis is very important to prevent grievous complications; hence, all cases should be followed up regularly for IOP measurement and visual field analysis up to 8-12 weeks, because, if ignored, optic atrophy may develop.
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Toal, Gerard. "Why Does Russia Invade Its Neighbors?" In Near Abroad. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190253301.003.0007.

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It was supposed to be China’s coming-out party, a moment in the global spotlight affirming its arrival as an economic superpower. But hours before the opening ceremonies of the 2008 Beijing Olympics, news of a war in the Caucasus flashed across the world’s TV screens. On the southern slopes of the Caucasus Mountains, the state of Georgia launched a military offensive against South Ossetia, a small breakaway territory beyond its control since the Soviet collapse. Georgia’s offensive quickly brought Russia to the defense of its local Ossetian allies. As Soviet-era tanks rolled through the Roki tunnel, the only land connection between South Ossetia and Russia, Russian aircraft bombed Georgian targets in the region and beyond. For the first time since the Cold War ended, Russia was invading a neighboring state. Instead of glowing stories about China, speculation about a new Cold War filled the front pages of the Western press. Yet within a week the war was over and a ceasefire agreed. Thereafter a rapidly moving global financial crisis displaced what seemed a harbinger of geopolitical rupture to an afterthought. As quickly as it had flared, the Russo-Georgian war disappeared, and with it talk of a return to geopolitics past. Six years later Russia was in the global spotlight as host of the XXII Olympic Winter Games in Sochi, located on the shores of the Black Sea at the western end of the Caucasus Mountains. Despite well-grounded fears of terrorism, the Olympics were a triumph for Russia and its leadership. Yet a few days later, the world recoiled in shock as Russia once again invaded a neighboring state. Responding to a perceived “fascist coup” in Kyiv, unmarked Russian military personnel seized control of the Ukrainian province of Crimea, once part of Soviet Russia and home to Russia’s Black Sea Fleet. A hastily organized referendum followed, creating the appearance of legitimacy for Russia to formally annex the province, and the city of Sevastopol, in late March 2014.
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Konferenzberichte zum Thema "Wheat Weed control"

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Sunil K Mathanker, Paul R Weckler, Randal K Taylor, and Guoliang Fan. "Adaboost and Support Vector Machine Classifiers for Automatic Weed Control: Canola and Wheat." In 2010 Pittsburgh, Pennsylvania, June 20 - June 23, 2010. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2010. http://dx.doi.org/10.13031/2013.29734.

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"Optimizing Weed Control by Integrating the Best Herbicide Rate and Bio-Agents in Wheat Field." In May 17-18, 2017 Istanbul (Turkey). DiRPUB, 2017. http://dx.doi.org/10.15242/dirpub.dir0517254.

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Polin V.D., V. D., and I. F. Binaliev I.F. "Influence of weather conditions on the specific and quantitative composition of the weed component in winter wheat crops." In Растениеводство и луговодство. Тимирязевская сельскохозяйственная академия, 2020. http://dx.doi.org/10.26897/978-5-9675-1762-4-2020-21.

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SPRUOGIS, Vidmantas, Anželika DAUTARTĖ, Romualdas ZEMECKIS, Edmundas BARTKEVIČIUS, and Aida STIKLIENĖ. "THE INFLUENCE OF BIOORGANIC PREPARATIONS ON THE PRODUCTIVITY OF CONVENTIONALY GROWN WINTER WHEAT ACTIVATING AND SAVING THE USE OF SYNTHETIC CHEMICALS." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.080.

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The influence of Raskila bioorganic fertilisers on the productivity of conventional winter wheat ‘Olivin’, was investigated in order to stimulate and save synthetic herbicide Arrat and fungicide Tango Super for spring spraying. Scheme of treatment: 1. Control; 2. Winter wheat sprayed (BBCH 20-29) with fertilizer Raskila 3 l ha-1; 3. Winter wheat sprayed (BBCH 20-29) with Arrat 0.2 kg ha-1+Tango super 1.5 l ha-1; 4. Winter wheat sprayed (BBCH 20-29) with Arrat 0.2 kg ha-1+Tango super 1.5 l ha-1+Raskila 3.0 l ha-1; 5. Winter wheat sprayed (BBCH 20-29) with Arrat 0.1 kg ha-1+Tango super 0.75 l ha
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Zhenchenko, K. G., E. N. Turin, A. A. Gongalo, V. Yu Ivanov, N. V. Karaeva, and V. V. Reent. "Weed infestation in the crop rotations depending on the cultivation technology in the Crimea." In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-20.

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The stationary experiment on the comparative study of the direct sowing and traditional cultivation technology was laid in 2015–2016 at the trial field of the FSBSI “Research Institute of Agriculture of Crimea”. Two five-course crop rotations were taken as a base; all fields were included in the crop rotation. During the years of research, we observed mixed weed infestation. No matter what cultivation technology was applied, actual weed flora at the fields with winter crops was represented by overwintering and winter weeds; at the fields with spring crops – annual spring weeds. There were no r
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KONDRATENKO, Ekaterina, Alexey STAROVOITOV, Elena STAROVOITOVA, and Olga SOBOLEVA. "Assessment of Herbicides for Control of Dicotyledonous Weeds in Spring Wheat Crops in the Kemerovo Region." In Current Trends of Agricultural Industry in Global Economy. SibAC, 2021. http://dx.doi.org/10.32743/agri.gl.econ.2020.145-151.

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7

Chen, Shili, Guangde Song, Shijiu Jin, and Xianglin Zhan. "The Design of an Ultrasonic Phased Array System on Pipelines’ Weld Inspection." In 2004 International Pipeline Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ipc2004-0719.

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Phased arrays generate ultrasonic waves by using recisely-defined time delays for each element in an ultrasonic array group, this permits constructive and destructive interference of the wavefronts to form the pre-defined beam. So, ultrasonic phased arrays are well suited to weld inspections. First, beams can be multiplexed across the array, in what is called “electronic scanning”. This permits very rapid inspections of components, typically an order of magnitude faster than a single transducer raster scan. Second, the beam can be swept through a range of angles without moving the array; this
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8

Doctor, Steven R., Stephen E. Cumblidge, George J. Schuster, Robert V. Harris, and Susan L. Crawford. "NDE Assessment of PWSCC in Control Rod Drive Mechanism Housings." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93426.

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Studies being conducted at the Pacific Northwest National Laboratory (PNNL) in Richland, Washington are focused on assessing the effectiveness of nondestructive examination (NDE) techniques for inspecting control rod drive mechanism (CRDM) nozzles and J-groove weldments. The primary objective of this work is to provide information to the United States Nuclear Regulatory Commission (US NRC) on the effectiveness of NDE methods as related to the in-service inspection of CRDM nozzles and J-groove weldments, and to enhance the knowledge base of primary water stress corrosion cracking (PWSCC) throug
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9

Cosham, Andrew, and Kenneth A. Macdonald. "Fracture Control in Pipelines Under High Plastic Strains: A Critique of DNV-RP-F108." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64348.

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Offshore pipelines experience strains greater than yield during pipelay and in service. Installation by reeling introduces high levels of plastic strain, typically on the order of 2 percent for a 12 in. flowline. Controlled lateral buckling in offshore pipelines, due to high operating pressures and/or temperatures, may also give rise to high strains and large cyclic loads. Similarly, frost heave or ground movement in onshore pipelines can cause high strains. To date, most of the cases involving high strains are to be found in offshore pipelines, in terms of both design and the assessment of ac
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10

Boring, Matthew A., and William A. Bruce. "The Effect of Hoop Stress on the Burnthrough Susceptibility During In-Service Welding of Thin-Walled Pipelines." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64354.

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Most companies control the risk of burnthrough by prohibiting welding on pipelines with wall thicknesses below a specified thickness. This is a safe approach but the risk of burnthrough depends not only on the wall thickness, but also on the welding parameters and the operating parameters of the pipeline which include pressure. It is generally acknowledged that the hoop stress caused by pressurizing the pipeline has a relatively minor effect on the risk of burnthrough since the size of the area heated by the welding arc is small. While this has certainly been shown to be true for thicker mater
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