Effect of organic, organo-mineral and mineral fertilizer systems on the yield of grain-row crop rotation crops and the fertility of southern heavy loamy chernozem in the arid Volga region

Saratov

205 pp.

Effect of organic, organo-mineral and mineral fertilizer systems on the yield of grain-row crop rotation crops and the fertility of southern heavy loamy chernozem in the arid Volga region — Ostrovskaya, Elena Nikolaevna — 1993 — Russian Dissertation Library