Agrochemical substantiation of the timing of nitrogen fertilizer application to winter wheat on ordinary chernozem in the Western Ciscaucasia

Krasnodar

195 pp.

Agrochemical substantiation of the timing of nitrogen fertilizer application to winter wheat on ordinary chernozem in the Western Ciscaucasia — Sharygin, Yuriy Nikolaevich — 1992 — Russian Dissertation Library