通过对青海主要土壤类型剖面的有机质、机械组成、阳离子交换量三者之间的关系分析。
The relationship was analysised between organic matter, soil granular composition and cation exchange capacity(CEC) in Qinghai major soil types.
褐煤、腐殖酸、残余植物碎屑和地沥青等是现存有机质的主要类型。
Lignitous coal, humic acid, fragments of plant remnants and asphalt are main forms of existing organic substances.
土壤的质地类型、含盐量、有机质含量等是决定土壤粒径分布分形维数的主要因子。
Texture type, salt content, organic matter content, etc. are the major factors determining the fractal dimension of soil particle-size distribution.
应用推荐