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灌溉需水量
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灌溉需水量
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农业水土工程
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irrigation water demand
灌溉需水量
土壤原有储水量和有效降雨量及地下水利用量不能满足作物蒸发蒸腾、冲洗盐碱以及其他方面要求,通过灌溉补充的水量。
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