Agroecological Innovations: Increasing Food Production with Participatory DevelopmentNorman Thomas Uphoff The world's food supply needs to rise significantly, yet both arable and water supplies per capita are decreasing. Not only are modern agricultural methods beyond the reach of those suffering the greatest food insecurity but they are also ecologically damaging, relying upon fossil energy and chemical inputs. This volume offers a collection of innovative and diverse approaches to agricultural development.; Documented in 12 case studies, these approaches are reliant upon greater knowledge, skill and labour input, rather than larger capital expenditure. They are shown to increase yield substantially, sometimes doubling or tripling output. This volume presents the concepts and operational means for reorienting agricultural efforts towards these more environmentally friendly and socially desirable approaches in the developed as well as developing world. |
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activities adoption Africa agricultural development agricultural research agricultural systems agroecological approaches agroecosystems Agroforestry Altieri animals areas average benefits biodiversity biological cent changes Chapter communities compost conservation contribute costs cover crops cultivation Douentza ecological economic ecosystems effects enhance environment environmental erosion evaluation external inputs factors fallows farmers farming systems fields food production food security genetic green manure Green Revolution growing growth Guinope harvest hectare households impact improved income increase innovations Institute integrated pest management intensification International investment irrigation labour land livestock maize management practices mulch natural resource needs NGOs nitrogen no-till system nutrients output ParanĂ¡ participatory pest management pesticides phosphorous planned diversity plant population potential programme rainfall reduced region rice root rotation rural season seed Senegal smallholder social capital soil fertility soil organic matter species strategy sustainable agriculture technologies tillage tion trees tropical Uphoff variety vegetables villages weed World Bank yields