00596naa#a2200181#i#450# EN\\bibl\11023 /en/manage/index 20250210101715.1 1997-3225 20160318b2016####ek#y0engy0150####ca RUS RU SPRING WHEAT CLOGGING BY CONVOLVULUS ARVENSIS INFLUENCE FOR PRODUCTIVITY INDICATORS IN FOREST-STEPPE OF SAMARA REGION Journal article Kinel Samara State Agricultural Academy 2016 2 с. Journal article local Sharapov Ivan Ivanovich test.editorum.ru /en/manage/index