...土壤水盐运动；地下水；数值模拟 [gap=2331]Keywords：Desert-oasis ecotone；Vegetation evolution；Soil water and salt movement；Groundwater table；Numerical simulation ..
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Through field experiment, the impact of different irrigation order of saline and fresh water on soil water and salt movement were studied.
在田间微咸水灌溉条件下，对不同轮灌次序进行了研究。
The experiment studied the effects of residue used as surface mulch, mix with soil and a separate horizon in soil profile on soil water and salt movement.
本试验主要研究了作物秸杆表面覆盖、垂直覆盖（混施）和隔层对土壤水盐运动的影响。
Based on the abroad collected data and study of soil sampling, the rule of water -salt movement in Songnen Plain and the process of soil Saline -alkali were analyzed fully.
在广泛搜集资料和实地土壤采样调查的基础上，系统分析人为干扰下松嫩平原水盐运动规律及土壤盐渍化过程。
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