Wind-protection effect, turbulivity and soil moisture are the main factor which determine the falling dust capacity.
防风效能、乱流交换强度、土壤湿度是决定降尘量大小的主要因子。
Soil moisture is the main factor of plant growth, vegetation restoration and ecological environment. It's a very important significance to research soil water movement and translation.
土壤水分是植物生长、植被恢复和生态环境建设的主要制约因素，研究其运动与转化规律具有重要的现实意义。
Soil moisture is an important factor in research fields of hydrology, meteorology, pedology, ecology, agricultural science and so on. But it is a difficult one to gain.
土壤水分是水文学、气象学、土壤学、生态学以及农业科学等研究领域中的一个重要的参数。
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