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南京农业大学土壤学课件 Introduction to Soil Science。
Target area identification using a GIS approach for the introduction of legume cover crops for soil productivity improvement:a case study eastern Uganda
LCC (legume cover crops) GIS (geographic information systems) targeting agro-technology transfer
2009/3/4
Amidst the economic backdrop of resource-poor farmers, combined research and extension efforts in developing countries have focused on developing and promoting potentially adaptable and economically...