The studies show the groundwater level is rising quickly and may surpass the critical depth along downstream area with the extension of the irrigating field, which can bring on the soil salinization.
研究表明：该区随灌溉面积的扩大，地下水位上升迅速，灌区下游水位将超过临界埋深，从而引起土壤次生盐渍化。
The suitable depth of groundwater level was presented for different kinds of soil, which can serve as the reference and standard for...
提出不同土壤类型地下水适宜埋深，为黄淮平原节水灌溉和排水标准提供依据。
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