This paper studies the influence on dynamic state of soil water salt, groundwater table, groundwater quality, crop growing and yield generated by saline water irrigation.
研究了咸水灌溉对土壤水盐动态、地下水位、地下水质、作物生长及产量的影响。
The number of sampling points on variation of forest soil were determined for given estimating precisions of dynamic state of forest soil water.
为了保证土壤水分动态的测定精度对森林土壤水分变异性进行了研究，以合理确定样点数。
Based on consulting the document of standardization, analysing economic effect of soil and water conservation measure in accordance with the dynamic state and static state.
在参考规范性文件的基础上，对水土保持措施进行经济效益静、动态分析。
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