00533naa#a2200169#i#450# EN\\bibl\11021 20240915233240.7 1997-3225 20160318b2016####ek#y0engy0150####ca RUS RU INFLUENCE OF CROPS WEED WEEDINESS FOR PRODUCTIVITY INDICATORS OF WHEAT IN FOREST-STEPPE OF THE SAMARA REGION Journal article Kinel Samara State Agrarian University 2016 3 с. Journal article local Sharapov Ivan Ivanovich naukaru.ru