Fractions of Heave Metals in Paddy Fields and Their Spatial Relationship to Rice Plant

摘要：

To access the distribution in fractions of heavy metals in paddy fields in Wenling city in Zhejiang Province, China, extensive sampling was carded out to identify spatial correlation and bioavailability to rice grown on these soils at the regional scale. The results showed that Cd in soil were predominantly association with exchangeable and Fe-Mn oxide fraction; while Cu, Ni, Pb and Zn with residual fraction. Most heavy metals studied in rice were significantly (P<0.01) correlated with exchangeable fraction, which is considered as readily bioavailability to rice.

关键词： Cross-correlogram Heavy metals Paddy fields Soil-rice system Spatial correlation

作者: Keli Zhao Xingmei Liu Jiachun Shi Jianming Xu

作者单位: Zhejiang Provincial Key Laboratory of Subtropical Soil and Plant Nutrition,College of Environmental and Natural Resource Sciences,Zhejiang University,Hangzhou 310029,China

会议类型: 国际会议

会议名称: The International Symposium of Molecular Environmental Soil Science at the Interfaces in the Earths Critical Zone(地球关键区界面反应：分子水平环境土壤科学国际会议)

会议地点: 杭州

会议语种:英文

页码: 110-111

在线出版日期: 2009-10-10（万方平台首次上网日期，不代表论文的发表时间）