本文研究了砒砂岩地区沙棘人工林地土壤水分物理性质及其变化规律。
The soil hydro-physical properties of artificial seabuckthorn woodland had been studied in arsenic sandstone areas.
采用对比实验的方法，对小兴安岭林区主要森林类型采伐后土壤水分物理性质进行了测定和研究。
The physical property of soil water was measured and studied by comparative experimental method in the main forest types in Xiaoxing 'an Mountains after harvesting.
降水大量渗漏、雨水资源季节性分配不均、特殊的土壤水分物理性质等偶合构成了湘西北岩溶山区雨水资源有效利用的影响因素。
The factors that affect effective utilization of rainwater resources consist of heavy leakage and asymmetry seasonal distribution of rainfall and peculiar soil moisture character in coincidence.
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