Nitrogen Sources and 'A' Values for Vesicular-Arbuscular and Non-Mycorrhizal Sorghum Grown at Three Rates of 15 N-Ammonium Sulphate

Autor:	Ames, R. N., Porter, Lynn K., St. John, T. V.
Zdroj:	The New Phytologist, 1984 Jun 01. 97(2), 269-276.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2432307 Zobrazit plný text záznamu Plný text