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五华县2006年被广东省农业厅列为“耕地地力培育技术研究与推广”项目区,采取冬种紫云英、增施农家肥、稻秆还田、增施石灰等生物措施和农艺措施,进行耕地地力培育技术的研究与推广。通过培育,土壤结构大为改良、土壤生态环境大为改善、耕地地力有了明显提高。同时,以研究区为核心,在全县稻区推广,3年共推广面积2267hm2,累计增产300万kg,增收539万元,经济效益、社会效益和生态效益显著。
Wuhua County in 2006 by the Guangdong Provincial Department of Agriculture as a “research and promotion of cultivated land fertility technology research and development” project area, to take the winter aspen, to increase manure, rice straw, increasing the lime and other biological measures and Agronomic measures, the cultivation of cultivated land fertility technology research and promotion. Through cultivation, soil structure has been greatly improved, soil ecological environment has been greatly improved, and cultivated land productivity has been significantly improved. At the same time, with the research area as the core, it is popularized in the rice area of the whole county. In the three years, the total area is 2267hm2, with a cumulative increase of 3 million kg and an increase of 5.39 million yuan. The economic, social and ecological benefits are remarkable.