盐类沉淀
When soil water moves upwards from a water table to atmosphere during a period of less precipitation, the soluble salts in the groundwater are transported through the root zone up to the soil surface.
结果表明:在降雨量较少的时期内,当土壤水分从地下含水层向地表面移动的同时,地下水中含有的盐分也通过作物根区层向地表移动;
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