00586naa#a2200181#i#450# EN\\bibl\11021 /en/manage/index 20250219165425.3 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 Agricultural Academy 2016 3 с. Journal article local Sharapov Ivan Ivanovich fht.editorum.ru /en/manage/index