结果表明，①土壤有效水量年内变化明显，受降水影响显著；

The result showed that the available soil water quantity varied and was affected by precipitation apparently during a year.

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但是这却表明我们可以通过更加有效的管理来减少农业用水量，如果农民们也能效仿此行，全球景况将会有所改善。

But it does suggest that better management could reduce the amount of water used in farming, and that the world could be better off if farmers did so.

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适量的表面回灌可有效减少渗滤液水量，降低处理规模。

Appropriate surface recirculation can reduce leachate quantity effectively, so the treatment scale is decreased.

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