潜育性水稻土是湖南省面积最大的一种低产土壤。据初步统计,全省共有1300多万亩,约占稻田总面积的31.7％,占低产稻田面积的80.9％,广泛地分布于山区、丘陵区的冲垅谷地、洼地以及洞庭湖堤垸中的内湖边缘。由于地形、母质和成土条件不同,潜育程度各有差异。从青泥层(潜育层)的 Drought paddy soil is the largest area of ​​Hunan Province, a low-yielding soil. According to preliminary statistics, the province has a total area of ​​more than 13 million mu, accounting for 31.7% of the total paddy field area, accounting for 80.9% of the area of ​​low-yield paddy fields. It is widely distributed in mountainous areas, hilly areas in the Chongli Valley, lowlands and Dongting Lake embankments The edge of the lake. Due to the different topography, parent material and soil forming conditions, the extent of the latent growth varies. From the green clay layer (latent layer)