Change of available forms of nitrogen and phosphorus in alluvial-meadow soil, after long-term fertilization.

Autor: Todorova, S.1 stefi_k.todorova@abv.bg, Simeonova, N.1, Trendafilov, K.1, Valcheva, V.1
Zdroj: Agricultural Science & Technology (1313-8820). Dec2012, Vol. 4 Issue 4, p388-391. 4p.
Databáze: Academic Search Ultimate