By Norman Uphoff (Editor), Miguel Altieri, Marco Barzman
The world's foodstuff provide must upward thrust considerably, but either arable and water provides consistent with capita are lowering. not just are sleek agricultural equipment past the succeed in of these discomfort the best nutrition lack of confidence yet also they are ecologically harmful, depending upon fossil strength and chemical inputs. This quantity deals a set of leading edge and numerous techniques to agricultural improvement. Documented in 12 case experiences, those methods are reliant upon better wisdom, ability and labour enter, instead of higher capital expenditure. they're proven to extend yield considerably, occasionally doubling or tripling output. This quantity offers the strategies and operational capability for reorienting agricultural efforts in the direction of those extra environmentally pleasant and socially fascinating ways within the constructed in addition to constructing international.
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Additional info for Agroecological Innovations : Increasing Food Production with Participatory Development
Yet if one looks beyond this standardized seasonal conception of agriculture, one finds trees that keep their leaves 26 Issues for Analysis and Evaluation year-round, sheep that lamb twice a year, and microbes that continuously decompose soil organic matter with generation intervals measured in hours or minutes. These different time-frames all affect agricultural performance. Fixation on an annual cycle of agriculture has arisen from its practice in temperate climates, where most modern scientific advances have been made.
The process starts with identification of problems and needs as well as opportunities. This is best done by or with farmers who participate in delineating and choosing among possible solutions; who test, monitor and evaluate the results of new practices, helping to disseminate those results that are considered beneficial. This process can be characterized as participatory technology development, as farmercentred research and extension, or as farmer-to-farmer agricultural innovation. This methodology is more important than any single technology it produces and promotes, because sustainable agriculture requires continuing adaptation and change in practices and strategies, as seen particularly in Chapter 6.
Soil-working activities are intended not just to exploit the soil’s fertility but to improve it. Alternately, in some farming systems one finds no ploughing, just the planting of seeds in undisturbed soil. This might be considered one-dimensional agriculture with activities concentrated on points rather than a surface, leaving the volume of soil beneath intact to nurture macro- and microbiological communities. To be sure, two-dimensional thinking accomplishes some important activities such as weed control and breaking the soil crust, but disturbances of the soil contribute to major erosional losses.
Agroecological Innovations : Increasing Food Production with Participatory Development by Norman Uphoff (Editor), Miguel Altieri, Marco Barzman