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Science and Technology Backyard model:implications for sustainable agriculture in Africa

Frontiers of Agricultural Science and Engineering 2020年第4期7卷 390-400页

作者： Xiaoqiang JIAO Derara Sori FEYISA Jasper KANOMANYANGA ngula david muttendango Shingirai MUDARE Amadou NDIAYE Bilisuma KABETO Felix Dapare DAKORA Fusuo ZHANG National Academy of Agriculture Green Development Department of Plant NutritionCollege of Resource and Environmental ScienceChina Agricultural UniversityBeijing 100193China Department of Chemistry Tshwane University of TechnologyPretoria 0001South Africa

Sustainable food production to feed the growing population in Africa remains a major *** has 64%of the global arable land but produces less than 10%of its food locally due to its inherently low soil nutrient *** soil fertility and a lack of fertilizer use are the major constraints to increasing crop yields in *** average only about 8.8 kg NPK fertilizer is applied per hectare by African smallholder *** is therefore considerable potential for increasing food production through sustainable intensification of the cropping *** low crop yields in Africa are also partly due to limited farmer access to modern agronomic techniques,including improved crop varieties,a lack of financial resources,and the absence of mechanisms for dissemination of information to *** study analyzed the Science and Technology Backyards(STBs)model and investigated its use for the transformation of agriculture in *** key lessons for sustainable crop intensification in Africa can be found from analysis of the STB model which is well established in *** include(1)scientist-farmer engagement to develop adaptive and innovative technology for sustainable crop production,(2)dissemination of technology by empowering smallholders,especially leading farmers,and(3)the development of an open platform for multiple resource involvement rather than relying on a single *** review evaluates the benefits of the STB model used in China for adoption to increase agricultural productivity in Africa,with a perspective on sustainable crop intensification on the continent.

关键词： sustainable agriculture Africa smallholder Science and Technology Backyards

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