Agroecological aspect of fertilizer amelioration with the use of sewage sludge on sandy loam leached chernozems of the Saratov Right-Bank region

Saratov

162 pp.

Agroecological aspect of fertilizer amelioration with the use of sewage sludge on sandy loam leached chernozems of the Saratov Right-Bank region — Tyan, Vladimir Pavlovich — 1993 — Russian Dissertation Library