Library Resource
Articles et Livres
décembre, 1987
France, Bénin, Chine, Australie, Royaume-Uni, Canada, Éthiopie, République de Corée, Tchad, Népal, Japon, Afrique du Sud, Malaisie, Mexique, Inde, Soudan, Bhoutan, Ouganda, Ghana
The objective of this Soils Bulletin is to promote the use of locally available organic materials to increase soil organic matter content for improvement of soil fertility, and as a sources of plant nutrients in conjunction with mineral fertilizers. This manual is written for all those concerned with the maintenance and improvement of soil fertility, especially under tropical and subtropical conditions. It contains material for use in farmer training.