This book,a fascinating companion to The Secret Life of Plants by the same authors, tells the story of the innovative, nontraditional, often surprising things t

Explains how to create and maintain fertile soil, including advice on choosing fertilizers, improving new sites, fine-tuning for specific plants, and using comp

Forward. A call for integrated soil fertility management in Africa. Introduction. ISFM and the African farmer. Part I. The principles of ISFM: ISFM as a strateg