分散性粘土是一种在低含盐量的水(或纯净水)中由于离子的相互排斥力超过相互吸引力，导致土体颗粒分散的粘性土。
Clay is dispersed in a low salinity of the water (or pure water) because of the mutual repulsion forces ion over mutual attraction, lead to soil particles dispersive clay.
土样中含有较多的蒙脱石和钠离子以及酸碱度较高是土样产生分散性的主要原因；
The results show that soil samples are transitional and dispersive soil because of rich montmorillonoid, plenty of sodium-ion and strong alkalescence.
黑龙江省西部松嫩平原为大面积高钠盐渍土区，区域内的土质大都为分散性粘土。
There is large area of high Na salty soil at Songnen Plain in the west of Heilongjiang.
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