average soil water content increment 平均体积含水率增量
The average soil water content of different artificial forests was about 8%, which showed the arid characteristic of soil.
不同人工林土壤平均含水率为8%左右，表现出土壤干旱的特点。
The average soil salt content of desalt region cut down as the cumulative infiltration volume rose and went up with the water concentration and initial water content.
脱盐区土壤平均含盐量随累积入渗量的增加而减少，随入渗水矿化度和土壤初始含水量的增加而增加。
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。
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