土壤受镉铬铅复合污染了生物效应研究

Effect of Compound Pollution of Cd, Cr and Pb on Chinese Cabbage in Red Earth.

网室盆栽研究小白菜对Ｃｄ，Ｃｒ、Ｐｂ复合污染环境下吸收Ｇｄ，Ｃｒ，Ｐｂ及对产量的影响。结果表明，小白菜吸收Ｃｄ，Ｐｂ与土壤含量有根好的相关而与土壤中Ｃｒ含量无关。小白菜组织中Ｃｄ量与Ｃｒ量呈极显著正相关而与Ｐｂ无关。试验还表明Ｃｄ，Ｃｒ、Ｐｂ复合污染下Ｃｄ量是引起小白菜减产的主要因素。

Pot experiment was conducted to study the effects of compound pollution of Cd,Cr and Pb on yield and their uptake by Chinese cabbage. The results showed that Cd and Pb uptake by Chinese cabbage was closely related to their contents in soil but that of Cr in soil. The content of Cd in Chinese cabbage was very significantly and positively related to the content of Cr but that of Pb. The expcriment also indicated that the content of Cd in soil was the dominant factor which decreased the yield when soil polluted by Cd, Cr and Pb.