TY  JOUR
TI  THE INFLUENCE OF IRRIGATION ON PHYSICOCHEMICAL PROPERTIES OF ORDINARY CHERNOZYOM OF NORTHERN KAZAKHSTAN
KW  chernozyoms
KW  physicochemical properties of soils
KW  irrigation
KW  humus
KW  phosphorus
KW  calcium
KW  sodium
JO  Bulletin of KSAU
AU  Vasilchenko, N.I.
AU  Yumankulov, R.V.
PY  2016
IS  
PB  Krasnoyarsk State Agrarian University