Fertilizer guide for food grains in the tropics and subtropics /

Bibliographic Details

Main Author:	Geus, J. G. de
Corporate Author:	Centre d'étude de l'azote
Format:	Book
Language:	English
Published:	Zurich : Centre d'Etude de l'Azote, 1970.
Subjects:	Fertilizers. Grain. Tropical crops.