| 摘要: |
| 差热分析和X衍射分析结果表明,陕西五种土壤粘粒矿物组成都是以伊利石为主,并含有一定量的高岭石、绿泥石和蒙脱石。黄褐土、黄绵土、黑垆土粘粒矿物在剖面分异不明显。塿土、黄棕壤表层与亚层粘粒矿物组成有一定差异。粘粒及其它各粒级矿物质的矿物组成都与其阳离子交换量结果很一致。 |
| 关键词: 粘粒,阳离子交换量,矿物组成,黑垆土,塿土,黄褐土 |
| DOI： |
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| 基金项目: |
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| A STUDY ON THE RELATIONSHIP BETWEEN THE MINERAL COMPOSITIONS AND THE CATION EXCHANGE CAPACITY IN SHAANXI SOILS |
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Xu Minggang An Zhanshi,Xu Minggang An Zhanshi
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| Abstract: |
| Results of differential thermal analysis and X diffraction analysis show that the mineral compositions of the clay particles in. five soils obtained in Shaanxi Province are chiefly of illite with certain amount of kaolinite, chlorite and montmorillonite. No obvious variation of mineral clay particles was observed in the profiles of yellow cinnamon soil, cultivated loessial soil and orthoheilu soil, however, certain variations were observed in the surfaces and subsurfaces of Lou soil and yellow brown soil. The mineral compositions of clay particles and all other classes of mineral particles are identical with the results of their cation exchange capacity. |
| Key words: clay particles,cation exchange capacity,mineral composition,orthoheilu soil,Lou soil,yellow cinnamon soil |
