TY JOUR TI THE INFLUENCE OF THE (V) SODIUM ARSENATE ON THE CONTENT OF THE FREE AND BOUND AMINO ACIDS OF THE SOIL DISSOLVED ORGANIC MATTER KW soil KW free amino acids KW dissolved organic matter KW arsenic KW soil amino acids JO Bulletin of KSAU AU Okunev, R.V. AU Sungatullina, L.M. AU Grigoryan, B.R. PY 2015 IS PB Krasnoyarsk State Agrarian University