average water content increment 平均含水率增量
average soil water content 平均土壤含水量
average soil water content increment 平均体积含水率增量
The conservatation tillage winter wheat paddock have protects water function, the average water content of top layer of soil is higher than traditional tillage.
保护性耕作冬小麦田具有保水作用，土壤表层平均含水量比传统耕作要高。
The results showed that owing to the good ability to absorb water and keep it of PAM, the cumulative infiltration and average water content increased with the increasing of PAM dosage.
结果表明，由于PAM具有良好的吸水和保水性能，其用量的增加使累积入渗量增大，平均土壤含水量增加；
The net water vapor flux is positive always, but its content is low about 21.88% than average state in dry year, and is high about 53.99% in wet year.
无论旱涝年，青海高原空中净水汽通量均呈正值，但旱年比平均状况偏少21.88%，涝年偏多53.99%。
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