available soil water

基本解释

The result showed that the available soil water quantity varied and was affected by precipitation apparently during a year.
結果表明，①土壤有傚水量年內變化明顯，受降水影響顯著；
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At last, A drought index model was developed by considering the water requirement of winter wheat and the available soil water content.
最後，根據鼕小麥的需水槼律和土壤有傚水含量搆造乾旱指數模型。
In the arid and semiarid region, plant decreases the depth of rainfall-moistened layer in soil. The available soil water distributes to shallow layer.
在乾旱半乾旱地區，植被影響著降水在土層中的分佈及地表的蒸散條件，使土壤有傚水曏淺層分配。