TY JOUR TI THE CLIMATIC FACTOR USE POSSIBILITIES ON THE WESTERN SIBERIA CHERNOZEMS KW available moisture KW hydrothermal coefficient KW soil moisture KW the smallest field moisture capacity KW air humidity deficiency JO Bulletin of KSAU AU Lazarev, A.P. AU Skipin, L.N. PY 2013 IS PB Krasnoyarsk State Agrarian University