Spatial variability of soilwater retention function is a primary prerequisite for quantitative research on water movement and solution transfer in unsaturated zone.
土壤水分特征函数空间异质性是定量研究土壤非饱和带水分运动以及溶质运移的先决条件。
2
Evapotranspiration, yield, production value, and soil moisture in root zone for 30 kinds of intercropping systems under different irrigation water application were studied in this paper.
对30余种间作套种组合种植作物的耗水量、产量、产值及其根区土壤含水量进行了分析研究。
3
The key factors causing soil dried layers are great thickness and depth of membrane waterzone under ground as well as small thickness of gravity water zone.