胡敏酸钠对镉锌复合污染的降毒研究  

Study On Detoxification of Sodium Humate to Cadmium-zinc Compound Pollution

作　　者：黄雪夏[1] 白厚义[2] 陈佩琼[2] 

机构地区：[1]广州大学环境科学与工程学院,510006 [2]广西大学农学院,530005

出　　处：《中国科技信息》2007年第18期16-17,共2页China Science and Technology Information

基　　金：广州大学博士启动基金(hxx1001)资助项目

摘　　要：采用均匀设计,研究胡敏酸钠对镉锌复合污染土壤的降毒研究。结果表明:镉锌复合污染相同的情况下,加入胡敏酸钠效应的处理与未加胡敏酸钠的处理相比较,玉米地上部干重增加,用t检验法进行检验,可得t值=3.996**(t0.05=2.245,t0.01=3.707),达极显著水平;同样对玉米地上部镉含量和锌含量进行t检验,加入胡敏酸钠效应的处理与未加胡敏酸钠的处理的t值分别4.135和4.414,都达极显著水平。说明加入胡敏酸钠后可以使镉锌复合污染胁迫下的玉米地上部生物量增加,体内的重金属镉、锌含量减少,具有显著降低镉锌复合污染毒性的作用。Both the toxicity of cadmium-zinc compound pollution and cadmium-zinc detoxifying by sodium humate（Na-HA）were investigated in this study designed by even design project,in which different levels of cadmium,zinc and Na-HA were applied to soils.The results showed：compared with that Na-HA treatment,zea mays treated with Na-HA had higher dry weight and less contents of heavy metal.T test showed the t value of dry weight was 3.996,the t value of cadmium was 4.135,and the t value of cadmium was 4.414（t0.05=2.245.t0.01=3.707）,all reached significant level.This meant Na-HA had obvious detoxifying effects.

关 键 词：均匀设计 胡敏酸钠 镉锌复合污染 玉米 

分 类 号：X53[环境科学与工程—环境工程]