Bunch, R. 1995. Two ears of corn: a guide to
people-centered agricultural improvement. World Neighbors,
Oklahoma City, Oklahoma.
Myers, N. 1980. Conversion of tropical moist forests.
National Academy of Sciences, Washington, D. C. (also cited
at times with NAS [National Academy of Sciences] as author).
National Research Council. 1993. Sustainable agriculture
and the environment in the humid tropics. National Academy
Press, Washington, D. C.
Peters, W. J., and L. F. Neuenschwander. 1988. Slash and
burn farming in the third world forest. University of Idaho
Press, Moscow, Idaho.
Southgate, D. 1998. Tropical forest conservation: an
economic assessment of the alternatives in Latin America.
Oxford University Press, Oxford.
World Neighbors, Omaha, Nebraska. An international
organization that works extensively with green manure cover
crops and other methods of assisting peasant farmers.
Many WorldWide Web resources exist: recommended search
words include green manure, cover crop, and Mucuna.