It is a national measure for utilizing water resource, conserving soil and fertility and achieving high yield.

是合理利用水资源，保土、保肥，能蓄能排的旱地节水农业夺取作物高产的有效措施。

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It is a national measure for utilizing water resource, conserving soil and fertility and achieving high yield.

是合理利用水资源，保土、保肥，能蓄能排的旱地节水农业夺取作物高产的有效措施。

youdao