Investigation of Heavy Metals' Migration in Soil-Crop System in the Suburban Farmland Zone of Changchun

被引：0

作者：

Cao Xiuchun ^{[1
]}

Meng Qingfan ^{[2
]}

Du Fengguo ^{[1
]}

Gao Wentao ^{[1
]}

Gao Hongbing ^{[1
]}

Ji Dayong ^{[3
]}

机构：

[1] Beihua Univ, Prov Key Lab Forestry & Ecol Environm, Coll Forestry, Beijing, Jilin, Peoples R China

[2] Beihua Univ, Dept Sci Res, Beijing, Jilin, Peoples R China

[3] Changchun Garrison, Changchun, Peoples R China

来源：

2012 WORLD AUTOMATION CONGRESS (WAC) | 2012年

关键词：

farmland protection zone; heavy metal; migration; enrichment coefficient;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

For the purpose of studying heavy metals' migration in soil-crop system in farmland protection zone, an investigation is conducted in the suburban farmland protection zone of Changchun in September 2004. Samples of soil and corns are collected, and analyses of the soil samples and the content of heavy metal in corn roots, stems, leaves and seeds are respectively conducted. The results show that the content of all the heavy metals except Cd in the soil is much higher than that in the crops. And within the crops, the content of heavy metals in the roots and leaves are much higher than that in the stems and seeds. The distribution regularity of heavy metals within crops is roots> leaves> stems> seeds. In terms of the enrichment coefficient of all heavy metal elements, Cd is the highest, then Zn and Cu, with Pb and Cr being the lowest. And the roots have the largest enrichment coefficient of all the heavy metals.

引用

页数：4