湖南省桂阳县地处湘南,属亚热带湿润季风气候,年平均气温17.2℃、日照时数1 705.4小时、降水量1 385.2 mm。全县87.06万人,耕地面积101.4万亩,其中旱地48.16万亩,农作物以水稻、玉米、大豆、甘薯和烤烟为主。2011年开始实施高产创建,不仅全力推广杂交水稻高产栽培技术,大幅度提高水稻单产和总产,全面完成农业部和湖南省下达的水稻高产创建任务,而且充分利用旱地资源,开展旱 Guiyang County, Hunan Province is located in southern Hunan, a subtropical humid monsoon climate, the annual average temperature of 17.2 ℃, sunshine hours of 1 705.4 hours, precipitation 1 385.2 mm. There are 870,600 people in the county, 1,041,000 mu of cultivated land, of which 481,600 mu are dry land. The crops mainly include rice, corn, soybean, sweet potato and flue-cured tobacco. In 2011, it started to implement high-yielding cultivation. It not only made full efforts to promote high-yielding hybrid rice cultivation techniques, greatly improved the yield and total yield of rice, fully completed the task of creating high-yielding rice in Hunan Province by the Ministry of Agriculture and Hunan Province,