土壤硼含量决定于成土母质。
The boron content in soil depends upon the parent materials of soil.
但紫色土成土母岩结构疏松，易风化，抗蚀性低；
But the structure of purple soil parent material is loose and easy to efflorescent, anti-erodibility;
成土母质和土地利用方式对土壤碳酸盐含量有明显的影响。
The impact of land use and soil parent on the soil carbonates content is significant.
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