Salt system is arranged in saline and alkaline land layering improvement

The utility model provides a salt system is arranged in saline and alkaline land layering improvement, upper saline and alkaline soil layer, dense hole layer and row's salt deposit including top -down, in the dense hole layer every downthehole all have a fine sand, grand a plurality of striated grounds buttress is piled at the saline and alkaline soil layer interval in upper strata, the longitudinal section of striated ground buttress is isosceles triangle, isosceles triangle's lower angle is less than 28, and is adjacent is the interval of striated ground buttress 1 1.5m the height of striated ground buttress is 80 160cm. The beneficial effects of the utility model are that be applicable to normal position improvement and restoration that planting layer design thickness exceedes 40cm'sviscidity saline and alkaline land. 本实用新型提供种盐碱地分层改良排盐系统，包括自上而下的上层盐碱土层、密集孔层和排盐层，所述密集孔层中的每个所述孔内均具有细沙，所述上层盐碱土层间隔堆隆多个带状土垛，所述带状土垛的纵截面为等腰三角形，所述等腰三角形的下角小于28°，相邻所述带状土垛的间距为1-1.5m，带状土垛的高度为80-160cm。本实用新型的有益效果是适用于种植层设计厚度超过40cm的粘性盐碱地的原位改良与修