An evaluation of nutritional constraints on sweet potato (Ipomoea batatas) production in the central highlands of Papua New Guinea

Autor:	Bailey, J. S., Ramakrishna, A., Kirchhof, G.
Zdroj:	Plant and Soil, 2009 Mar 01. 316(1/2), 97-105.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/24129922 Zobrazit plný text záznamu