河南农业科学2011，Vol.40Issue(7)：67-72,6.
岩溶山区岩石-土壤-牧草系统中矿质元素的分布、迁移和富集特征
Distribution,Migration and Accumulation of Mineral Elements in the Rock-Soil-Forage Grass System in Karst Mountainous Area
摘要
Abstract
The contents of 14 mineral elements in samples taken from the rock—soil—forage grass system (R-S-F) in karst mountainous area in south China were tested for analysis of their distribution, migration and accumulation. Results showed that the gradation of element contents in the rock was parallel to that in the soil, which presented high content of Al,Fe, Ca, Mg, K and low content of Pb, Cu, Mo, Cd. In the process of forming soil, Fe, Al, Mn and K were accumulated, while the other elements were eluviated and lost. The enrich order of all tested elements in the soil layers were A＞B＞C. Ca,Mg and K were mainly accumulated in the leaves,while Fe,Al and Mn were mainly accumulated in the roots. The correlation of element contents between the roots of grasses and every layer in the soil was biggest, followed by stems and leaves. The correlation of element contents among rock, soil and forage grasses showed unconjugated. Mineral elements that had higher contents in the soil did not always show higher correlation with those in the grasses. The elements accumulated in the grasses such as Ca, Mg and K did not present significant correlation with those in the soil.关键词
岩溶山区/岩石/土壤/牧草/分布/迁移/富集/矿质元素Key words
Karst mountainous areas/ Rock/ Soil/ Forage grass/ Distribution/ Migration/ Accumulation/ Mineral element分类
天文与地球科学引用本文复制引用
蓝芙宁,蒋忠诚,谢运球,张敏,宁良丹..岩溶山区岩石-土壤-牧草系统中矿质元素的分布、迁移和富集特征[J].河南农业科学,2011,40(7):67-72,6.基金项目
国家"十一五"科技支撑计划项目(2006BAC01A10) （2006BAC01A10）
中国地质调查局地质调查项目(水[2010]矿评03-07-03) （水[2010]矿评03-07-03）
中国地质科学院岩溶地质研究所基本科研业务费项目(2010003,200709,2008008) （2010003,200709,2008008）
