红薯稻田高产栽培技术模式

选用优质高产红薯品种超然966，研究在湘南气候条件下不同时期、不同密度、不同薯苗稻田种植的产量效应。结果表明，超然966在湘南地区稻田栽培选用上段苗或营养钵苗、密度每公顷5．7万株左右、5月上旬种植可获得较高产量。

High-yield Cultivation Technology of Sweetpotato in Paddy Field

This paper focused on the output of Chaoran 996,a good-quality and high-yield sweetpotato variety,in the South-ern Hunan with different periods,densities and paddy field types.The results showed that Chaoran 996 could get high yield in Southern Hunan area by selecting upside young plants or nutrition bowl plants in paddy field at the first ten days of May with the density of 57 000 individual plants per hm2.