The use of mixed and stubble crops as phytomeliorants to increase soil fertility and the productivity of irrigated forage crops in the Trans-Volga region

Saratov

150 pp.

The use of mixed and stubble crops as phytomeliorants to increase soil fertility and the productivity of irrigated forage crops in the Trans-Volga region — Cheprasov, Ivan Vasil'evich — 2004 — Russian Dissertation Library