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稻—稻—晚秋薯耕作制是湛江市夺取粮食高产的一个有效途径。因为这种耕作制度的优点在于能充分利用地力、时间、光能、趋利避害提高年单产水平。我们于1990年在吴川县中山镇开展这一耕作制度改革试验。试验总面积650亩,1990年种植晚秋薯,1991年种早稻、中晚
Rice-Rice-Late Autumn Land Cultivation System is an Effective Way to Gain High Output of Grain in Zhanjiang City. Because the advantages of this farming system is that it can make full use of geo-time, light energy, profit-taking and avoidance to improve the level of annual yield. In 1990, we carried out this farming system reform experiment in Zhongshan, Wuchuan County. Test a total area of 650 acres, 1990 planting late autumn potato, early rice in 1991, late