4.4 Article

Soil mineralogy evolution in the INRA 42 plots experiment (Versailles, France)

期刊

CLAYS AND CLAY MINERALS
卷 51, 期 5, 页码 577-584

出版社

CLAY MINERALS SOCIETY
DOI: 10.1346/CCMN.2003.0510512

关键词

fertilizers; illite-smectite mixed-layer mineral; long-term experiment; potassium

向作者/读者索取更多资源

Natural soils change by long-term pedogenetic mechanisms, but tillage effects can also strongly affect the evolution of soils, mainly their physicochemical properties. The present paper describes the impact of fertilizers and amendments on soil mineralogy in experimental plots, without plant interaction. The soils of the 42 plots experiment at the INRA experimental station in Versailles (France) have been managed with fertilizers without plant growth since 1929. Strong changes in pH were observed and cation exchange capacities doubled between low and high pH (front 3.6 to 8.2). Strong acidification caused more evolution in the clay particle distribution without selective action on the clay composition. While the clay content varied only slightly, the organic matter content changed considerably, decreasing with non-organic treatment and increasing in the plot with manure treatment. The major clay minerals in the experimental plots are two disordered illite-smectite mixed-layer minerals, with minor amounts of illite/mica and kaolinite. Most treatments effected only minor changes in clay mineralogy. However the illite (non-expandable mineral) content increased in plots with K addition either as KCl treatment or in manure amendments by increasing the illite content and the illite (non-expandable layer) content of the 1-S minerals. Manure changed the 1-S mineral to a greater extent.

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.4
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据