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(一)概况稻草覆盖夏种甘薯,是甘薯栽培技术的一项改进。此项技术不但能增加甘薯产量,且能培养地力,增加土壤有机质和节约劳力。为探索稻草覆盖夏种甘薯在生产上的应用效果及经济效益,我市于1986年大面积进行示范、推广和小区试验对比,都有明显的增产效果。1987年全市用稻草覆盖夏种甘薯面积达3.01万亩,占甘薯总面积36%;同时,还在意溪镇西都村,凤塘镇浮岗村大面积推广示范,并在市农科所、官塘镇农科站、浮洋镇农科站设
(A) Overview straw covered summer seed sweet potato, sweet potato cultivation technology is an improvement. This technology can not only increase sweet potato production, and can cultivate fertility, increase soil organic matter and save labor. In order to explore the straw-covered summer seed sweet potato in the production of application effects and economic benefits, the city in 1986 to conduct a large area demonstration, promotion and plot comparison, have obvious yield-increasing effect. In 1987 the city covered with straw summer sweet potato area of 3.01 million mu, accounting for 36% of the total area of sweet potato; the same time, is also interested in Xidu Village, Fengtang Town Floating Village large area demonstration and promotion, and in the city of Agricultural Science, Guan Tangzhen Agricultural Station, Floating Town Agricultural Station