New approach in remediation of Cd-contaminated soil

摘要：

In greenhouse experiment using rice (Giza 178) as an indicator plant, three levels of Cd in the form of CdSO<,4> (namely 0, 2, 8ppm Cd) were added to an alluvial clay soil (Typic torrerets). After 3 weeks of plantation, zinc fertilizer in the form of ZnSO <,4> was added in three levels (0, 1.5, 3 ppm). The obtained results showed that Cd at the given levels markedly reduced the weight of grains, straw and roots of rice plants and their contents of N, P, and K. Using Zn fertilizer was beneficially minimized the in jury of Cd in yield and improved the nutritional status of the plants. Producing Cd free grains from Zn inhibition of Cd transfer to seeds or uptake by developing seeds and lower concentrations in the other organs were realized. The remediation effect of Zn against Cd was discussed.

关键词： Cadmium remediation rice zinc

作者: Soad, M. EI-Ashry A. M. Zaghloul

作者单位: Soils & Water Use Department, National Research Centre, Tahrir st., Dokky, Cairo, Egypt

会议类型: 国际会议

会议名称: 第九届痕量元素生物地球化学国际会议(9th International Conference on the Biogeochemistry of Trace Elements)

会议地点: 北京

会议语种:英文

页码: 900-901

在线出版日期: 2007-07-15（万方平台首次上网日期，不代表论文的发表时间）