Effect of calcium ameliorants and fertilizers on the enzymatic activity of calcium and hydrogen ions of leached chernozems of the forest-steppe of Voronezh Oblast
Koltsova, Olga Mikhailovna, 1996, Candidate of Sciences dissertation
Effect of calcium ameliorants and fertilizers on the enzymatic activity of calcium and hydrogen ions of leached chernozems of the forest-steppe of Voronezh Oblast — Koltsova, Olga Mikhailovna — 1996 — Russian Dissertation Library