TY JOUR TI Influence of long -term application of fertilizers in fodder crop rotation on fertility and productivity of sod -podzolic soil in the conditions of Euro -northeast KW JO Agrarian Bulletin of the AU Chebotarev, N.T. AU Yudin, A.A. AU Konkin, P.I. PY 2018 IS 177 PB Ural State Agrarian University