TY  JOUR
TI  CHANGE OF GRAY FOREST SOIL AGROCHEMICAL CHARACTERISTICS UNDER  THE INFLUENCE OF VARIOUS FACTORS
KW  fertilizer
KW  alfalfa
KW  biological soil activity
KW  root system.

JO  Vestnik of Kazan State Agrarian University
AU  Sharipova, G..
AU  Tagirov, M.S.
PY  2014
IS  9
PB  Kazan state agrarian University