مقال بحثي وصول مفتوح
Economic Threshold Level of Chenopodium album L. and Phalaris minor Retz. in Wheat
Two field experiments were conducted to determine the economic threshold level of C. album and P. minor in wheat. Different densities viz., check (weed free). 50. 100. 150. 200. 250. 300. 350. 400. 450 and 500 m-2 of each weed species were maintained separately. Grain yield obtained from plots having C, album densities …