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Transcript
Los maíces indígenas de México Mexican maize landraces and their distribution according to altitude and precipitation 45 Maiz de cajete Ecology Anthropology Sociology Etnoecology AGROECOLOGY Biological Control Ecological economics Basic agricultural sciences Principles Specific technological forms Traditional Farmers’ knowledge Participatory research in farmers’ fields Velvetbean in Central America • Mucuna fixes 150 Kg N/ha/year, produces 30-50 tonnes of biomass/ha/yr • 45,000 familes growing Mucuna • crop yields up from 400-600 Kg/ha to 20002500 kg/ha while conserving/regenerating soil in hillsides
