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中文摘要：
膜下滴灌在节水灌溉同时,会增加了土壤次生盐渍化风险,不利于农业生产。本文选取南疆棉花花铃期典型膜下滴灌地,分别在滴头下,棉花窄行间,背行3个位置分层取样,测定土壤盐分含量,分析其盐分在水平方向和垂直方向上的分布规律,发现膜下滴灌的土壤盐分分布规律会因不同的滴灌模式等差异而与一般性规律有所不同。结合当地实际生产条件,分析盐分分布对于指导当地农业生产具有重要意义。
英文摘要：
Drip irrigation under mulch increases the risk of soil secondary salinization while it saves water resources,which is adverse for agriculture production.The typical land with drip irrigation under mulch was selected in cotto boll period,and soil samples were collected from different layers from the location under the emitter,the location between cotton lines and the naked location to analyze the distribution law of soil salt in the horizon and the vertical orientation by measuring soil salt content.The result showed the soil salt distribution could be different from the usual law by the different conditions such as drip irrigation models.It would be useful to instruct the local agriculture production to understand the soil salt distribution.
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