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Sustainable Agriculture on the Hillsides of Central America: Opportunities for Interinstitutional Collaboration: report on workshop
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1991)
The paper refers to experiments with green-manure crops that require little investment and are capable of growing in marginal soils under minimum tillage and it emphasizes since 1987, thousands of small-farm families in ...