Understory cover crops in pecan orchards: Possible management systems

Autor:	Bugg, Robert L., Sarrantonio, Marianne, Dutcher, James D., Phatak, Sharad C.
Zdroj:	American Journal of Alternative Agriculture, 1991 Jan 01. 6(2), 50-62.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/44507122 Zobrazit plný text záznamu