Toxicity of Cu and Cd in Soils and Detoxication by Additives

来源 :土壤圈:英文版 | 被引量 : 0次 | 上传用户:sun4679
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Results from laboratory experiments indicated that the concentrations and toxicities of both water-soluble and 0.1 M HCl-extractable Cu and Cd from soils were in the order of red soil> yellow brown earth> black earth.The toxicity of soil varied with
其他文献
An analysis of Cr(Ⅵ)-sorbed surface of the soils by using a scanning electron microscope and an electron probe microscope has proved that aluminium is the chie
In the present paper,the composition of humus and the charateristics of humic acid from seven paddy soils were compared with those of upland (and/or natural) so
The study about the adsorption of phosphate on four variable charge soils and some minerals revealed that two stage adsorption appeared in the adsorption isothe
A new method was proposed for study of organic reducing substances in soils.According to the theoretical relationship between the voltammetric behaviors and red
Studies have been made,by ^15N-tracer technique on nitrogen loss resulting from adding amorphous manganese oxide to NH4^+-N medium under anaerobic conditions.Th
Denitrification losses measured by direct method (measuring the evolution of (N2+N2O)-^15N) were compared with the apparent denitrification losses (calculated f
This paper has investigated the ratios of closely related elements such as Mn,Cr,V,Ni,Co,Cu,Pb,Cd,Ba,Sr,La and Ce in the major soils of China,and the factors af
<正> The rice fields in China amount to 25.4 million hectares of which low yield paddy soils areabout 26%(Xu,1981;Xiao,1981).One of the most important causes of
The effect of application of pig manure (PM) on the structural characteristics of humic acids (HAs) of brown soil was studied in field and incubation experiment