The article investigates and analyzes the content of organic matter and cationic exchange of upper and under layer of soil planting vegetable of 14 villages in Chenggong county.
对呈贡县14个村的蔬菜土壤上下层有机质含量和阳离子交换量进行调查分析。
The results indicate that dynamic characteristics of upper layer soil are major factors that affect the complex stiffness of pile.
通过参数影响分析研究发现，成层土中桩顶复刚度主要受上部土层动力特性及性质影响；
Methods of monitoring moisture of upper soil layer with NOAA-11 data are discussed.
讨论了用极轨气象卫星资料监测表层土壤湿度的方法。
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