Green Manure/Cover Crop Systems of Smallholder Farmers - Experiences from Tropical and Subtropical Regions
Edited by Eilittä, Marjatta; Mureithi, Joseph; Derpsch, Rolf
In the 1980s and 1990s, green manure/cover crop (GMCC) systems became a popular
agricultural technology in research and development efforts for smallholder tropical and subtropical farmers.
However, few syntheses of these experiences have been conducted. This volume of case studies contributes to
bridging this gap by reviewing field-level experiences with these systems. Twelve case studies are included. Eleven
of them describe experiences from Latin America (4 cases), Africa (6 cases) and Asia (1 case) and the twelfth case
reports on the development of a GMCC systems database. Two concluding chapters, `Learning from the Case Studies'
and `Future Perspectives', build upon the cases. The systems described are diverse. Some systems have been
spontaneously adopted by farmers, while others have been introduced to the farmers through diffusion efforts.
Some of the cases reviewed describe small, localized efforts while others report on large-scale, well-known ones,
such as the combination of GMCCs and conservation tillage in Santa Catarina, Brazil, the maize-Mucuna system in
northern Honduras, and the
improved fallow systems in Eastern Zambia. Most experiences include both development and
research aspects and to the extent possible the cases integrate these two. Discussion of the
strengths and shortcomings of the systems and efforts is frank, and the goal is to learn from
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Hardcover XXXIII, 361 pp ISBN 9781402020452
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