I.1. NITROGEN FERTILIZER AND HUMIC ACID EFFECTS ON MAIZE PRODUCTIVITY.

Autor: EL-MEKSER, HODA KH. A.1, GHAREEB, ZEINAB E.2, HODA, E. A. IBRAHIM2
Zdroj: Egyptian Journal of Agricultural Research. 2015, Vol. 93 Issue 2(A), p1-15. 15p.
Databáze: Academic Search Ultimate