【医】临界土壤残余水分

critical moisture soil moisture critical moisture content absorption of moisture coefficient of moisture absorption percentage of moisture gradation of moisture critical parameter of flow be critical of moisture cohesion of soil binding nature of soil critical content residue of soil moisture critical period of moisture centrifugal moisture of soil stress of soil moisture belt of soil moisture preservation of soil moisture loss of soil moisture zone of discontinuous soil moisture relative moisture of the soil after-irrigation moisture content of soil conservation of both moisture and soil