Calculation method on ecological pondage and ecological water requirement of marsh 沼泽湿地生态储水量及生态需水量计算方法探讨
2.
As a result it enhanced the water - retaining and fertility - retaining capacity , strengthened the anti - scour and anti - erosion ability . 3 . sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ) , p ( phosphorus ) and k ( potassium ) erosion , increase soil nutrition element content , it also increase soil water content and soil pondage , decrease soil water evaporation , strengthen the anti - drought ability 龙须草能改善紫色土荒坡地的小生境龙须草纯种植被和林草立体种植植被能不同程度地增加土壤的有机质和速效n 、 p 、 k的含量；增加土壤含水量和贮水量，减缓和减少土壤的水分蒸发，增强土壤的抗旱能力；降低土壤盛夏的地表最高温度，减少地表温度变化幅度。
