soil available moisture 土壤有效水分
The effects of wilting point, field capacity and initial amount of available soil moisture in root zone on soil moisture were positive.
凋萎湿度、田间持水量、整个根区初始土壤有效含水量对土壤水分影响为正效应；
The results showed that, mulched hole planting could improve soil temperature, conserve soil moisture, and promote full release and efficient use of soil rapidly available nutrients.
结果表明，覆膜穴播可以提高土壤地温，保持土壤水分，促进土壤速效养分的充分释放和有效利用。
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