%0 Journal Article %T LEGUMES AND LEGUME-CROP PERENNIAL GRASSES - A CONSTITUENT PART OF ORGANIC FARMING OF THE REPUBLIC OF TATARSTAN %A Khismatullin, M.. %K organic farming, alfalfa, goat’s rue, meadow clover, legume bacterium, biological nitrogen, mobile phosphorus, exchange potassium, undesirable plant, arable land productivity %J Vestnik of Kazan State Agrarian University %D 2019 %N 14 %P 3 %I Kazan state agrarian University