TY  JOUR
TI  Biologized crop rotation – the main factor for fertility increases of sod-podzolic soils and arable land productivity in the Upper Volga
KW  biologized crop rotation
KW  leguminous grasses
KW  saturation
KW  sod-podzolic soil
KW  fertility
KW  productivity
KW  fertilizers.
JO  Agrarian Bulletin of the
AU  Esedullaev, S.T.
AU  Meltsaev, I.G.
PY  2019
IS  190
PB  Ural State Agrarian University