TY JOUR TI THE ACID-BASE BUFFER CAPACITY OF THE LIGHT-GREY FOREST SOIL WITH DIFFERENT EROSION DEGREE IN THE LONG AGRICULTURAL USE KW light gray forest soil KW erosion degree KW degree KW buffer capacity KW acid-alkaline interval JO Bulletin of KSAU AU Nazyrova, F.I. AU Garipov, T.T. PY 2013 IS PB Krasnoyarsk State Agrarian University