Results showed that solute application method and irrigation frequency has a great influence on solute transport.
结果表明，溶质施加方式和灌水频率对溶质迁移影响较大。
The problems involved in physical foundation of solute movement models and their application are discussed, based on which the possible methods and ways are put forward.
本文在分析现有数学模型的物理基础上，探讨了此类模型目前需要解决的问题及可能途径。
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