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潜育性稻田是湖南省及广大红、黄壤地区分布广、面积大、危害重、单产低、增产潜力大的一类低产水稻上，仅在湖南省，其面积就达494万公顷，占水稻上总面积的17.9％，其稻谷单产一般较正常稻田低1500～4500kg／hm’，严重影响了我省粮食生产的发展。因此，充分挖掘其生产潜力、
Dilatancy paddy rice is a low-yielding type of rice with wide distribution, large area, heavy hazard, low yield and high yield potential in Hunan Province and the vast red and yellow soil areas. Only in Hunan Province, the area is 4.94 million hectares, The total area of 17.9% of the total yield of paddy rice is 1500 ~ 4500kg / hm lower than normal paddy, which seriously affected the development of food production in our province. Therefore, fully tap its production potential,