Table of ContentsNext Page


This publication was prepared by Alexandra Bot, FAO consultant, and José Benites, technical officer, Land and Plant Nutrition Management Service (AGLL), FAO. It is based on contributions from: Gunter Englisch, Germany; Anthony Juo of Texas A&M University, the United States of America; William Payne of the International Crops Research Institute for the Semi-arid Tropics, Sahelien Centre, Niger; Maria de Fátima Ribeiro dos Santos, Ademir Calegari and Francisco Skora Neto of Paraná State Agricultural Research Station, Brazil.

The authors would like to acknowledge the valuable comments provided by: Parviz Koohafkan, chief, AGLL; Sally Bunning, land management officer, AGLL; Juan Jimenez, consultant, AGLL; Alessandro Piccolo of the University of Naples; Francis Shaxon, consultant; Martin Bwalya of the African Conservation Tillage Network; Peter Brinn, consultant; Christian Pieri, consultant; Bob Stewart of Texas A&M University; Norman Uphoff of the Cornell International Institute for Agricultural Development; Rachid Mrabet of the Institut National de la Recherche Agronomique Centre Aridoculture, Morocco; and Kurt Steiner of the German Agency for Technical Cooperation (GTZ).

Invaluable help on draft versions of this document was provided by R. Brinkman, FAO consultant; Telmo Amado of the Federal University of Santa Maria, Brazil; and Des McGarry of Queensland Government, Australia. In the production of this publication, the authors have been assisted effectively by Lynette Chalk.

Top of Page Next Page