Cover of the work “Organic fertilizers in crop rotations of the Central Chernozem Zone”. Author: Shelganov, Ivan Ignat'yevich. Degree: Doctor of Sciences. Year: 1996

Organic fertilizers in crop rotations of the Central Chernozem Zone

Moscow

347 pp.

Keywords

crop rotation, organic fertilizers

Organic fertilizers in crop rotations of the Central Chernozem Zone — Shelganov, Ivan Ignat'yevich — 1996 — Russian Dissertation Library