研究了我国燥红土的土壤持水性和土壤水分物理性。
The paper dealed with the water retention capability of soil and the physical properties of soil water in dry red soils.
土壤颗粒组成、容重、有机质、孔隙率影响土壤持水性能。
Then, the bulk density, porosity, the type of pore, particle constitute and organic carbon in the soil affected the soil moisture diffusivity.
结果表明：森林采伐后土壤容重增大，孔隙度减小，土壤持水性能降低。
The results showed that forest harvesting resulted in increase in soil volume weight, lessening porosity, and decline in function of water holding.
本文通过模拟降雨及降雨后自然条件下的土壤表面水分蒸发，研究了粉煤灰和城市污泥改良荒漠土壤对持水性能的影响。
To study the water-holding capacities of desert soil and the soil improved with coal ash and sewage sludge, experiments were designed to simulate rainfall and natural evaporation.
在此基础上，对各个农业区不同类型土壤的持水性予以比较分析，从而明确了江苏地区各个农业区不同类型土壤的持水特性。
On this base, this paper analyze water-holding of various soils in Jiangsu province, then know soil water-holding capacity of various soils in Jiangsu province.
本文通过模拟降雨及降雨后自然条件下的土壤表面水分蒸发，研究了粉煤灰和城市污泥改良荒漠土壤对持水性能的影响。
To study the water-holding capacities of desert soil and the soil amended with coal ash and sewage sludge, experiments were designed to simulate rainfall and natural evaporation.
本文通过模拟降雨及降雨后自然条件下的土壤表面水分蒸发，研究了粉煤灰和城市污泥改良荒漠土壤对持水性能的影响。
To study the water-holding capacities of desert soil and the soil amended with coal ash and sewage sludge, experiments were designed to simulate rainfall and natural evaporation.
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