波涌沟灌条件下土壤水分入渗研究是实现精量灌溉的理论基础。
The study on soil water infiltration under surge irrigation is the thesis base of applying accurate irrigation.
在整个入渗过程中，土壤水分入渗性能随着开垦年限的延长呈下降趋势。
The permeability of soil showed downtrend along with the period of tillage prolonged during the whole infiltration process.
采用多元逐步回归模型用常规土壤物理参数对土壤水分入渗模型参数进行预报是可行的。
It is feasible to predict soil infiltration capacities by routine physical parameters with stepwise regression models with multiple units.
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