TY JOUR TI THE AGROPHYTOCENOSIS FORMATION OF EXTENDING THE LONGEVITY GRASS PRODUCTIVE WITH EAST GALENA OFFICINALIS L. B Y VARIOUS METHODS KW goat’s rue KW fertilizer KW old-age grass KW photosynthetic KW potential KW accumulation JO Bulletin Samara State Agricultural Academy AU Karlova, I.V. AU Vasin, V.G. AU Vasina, A.A. AU Chugunov, V.G. PY 2016 IS 1 PB Samara State Agrarian University