temporary irrigation

The movement of soil water achieved the temporary balance in 24 h after stopping irrigation. Subsequently the change of the soil water content became very small, and the wetting front was kept nearly un-expanded.

灌溉结束24h后土壤水分运动达到暂时的平衡，此后土壤含水量变化很小，土壤湿润锋几乎不再扩展。

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