00673naa#a2200181#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\38971 20240426080602.5 1997-4868 20200731b2020####ek#y0engy0150####ca RU Photosynthetic activity and agro-energy efficiency of growing perennial grasses under different modes of use of the grass stand Journal article Ekaterinburg Ural State Agrarian University 2020 9 с. Journal article local Grebennikov Vadim Guseynovich Shipilov Ivan Alekseevich Khonina Olesya V. usau.editorum.ru