关于粘土夹层影响土壤水分运动的报道,过去多偏重于对土壤水分上升运动的影响.而对层状土的水分下渗运动的研究,J.L.Stars等在1978年报道了上层质地细下层质地粗的两层土的淋洗特征,曾觉廷在1965年报道过上层质地粗下层质地细的土壤支持 In the past, the influence of clay interlayers on soil water movement was mostly emphasized on the movement of soil moisture, while the study on the infiltration movement of layered soil by JLStars et al. Reported in 1978 that the coarse texture Two layers of soil leaching characteristics, Zeng Jueing reported in 1965 the upper coarse texture of the lower coarse texture of the soil support