TY  JOUR
TI  NEGATIVE ECOSYSTEM CHANGES IN AGROBIOGEOCENOSE OF SPRING WHEAT  AT BIOLOGIZATION OF ITS CULTIVATION TECHNOLOGY
KW  non-renewable energy
KW  soil phytotoxicity
KW  immobilization of nitrogen
KW  the quantity and composition of organic matter
KW  organic matter content threshold
KW  mixed crops.

JO  Vestnik of Kazan State Agrarian University
AU  Olenin, O.A.
PY  2015
IS  10
PB  Kazan state agrarian University