Chemical control of signalgrass in alfalfa crops
نویسندگان
چکیده
منابع مشابه
The Future of Alfalfa and Forage Crops
A diversity of forage species and forage ecosystems suited to different management practices exists in the United States. The future of cultivar development in forages includes the new and evolving areas of genomic and transgenic technologies. Genomic research gained momentum with the publication of the complete DNA sequence of the human genome and has since expanded to plant species including ...
متن کاملGeographic Trends in Alfalfa Stand Age and Crops That Follow Alfalfa
To gain perspective on alfalfa-annual crop rotations in the upper Midwest, USDA-National Agricultural Statistics Service cropland data layers and Soil Survey Geographic Database layers were combined for six states (North Dakota, South Dakota, Nebraska, Minnesota, Iowa, and Wisconsin) and seven years (2006-2012). Soil texture and geographic location both significantly affected the length of the ...
متن کاملevaluation of chemical control of broad-leaved weeds in new seeded alfalfa (medicago sativa l.)
in order to study of the efficacy of herbicides in weed control of new seeded alfalfa, an experiment was conducted in hamedan and yazd cities, iran during 2009-2010. the treatments were bentazone (bazagran) (sl 48%) two, three and four l.ha-1, 2,4-db (butress) (ec 42.3%) 2.5, 2.8, 3.1 and 3.5 l.ha-1, imazethapyr (pursuit) (sl 10%) 0.4, 0.7 and one l/ha and without herbicide control treatment. t...
متن کاملmesuring the staff technology readiness, the case of a multi national chemical company operating in iran
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15 صفحه اولdevelopment and implementation of an optimized control strategy for induction machine in an electric vehicle
in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...
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ژورنال
عنوان ژورنال: Semina: Ciências Agrárias
سال: 2017
ISSN: 1679-0359,1676-546X
DOI: 10.5433/1679-0359.2017v38n6p3695