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《Chinese Journal of Applied Ecology》 2005-08
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Research advances on eco-chemical behaviors and toxicological effects of cadmium in root-soil interface

JIN Caixia~(1,2),ZHOU Qixing~1,SUN Ruilian~(1,2),REN Liping~1 (()~1Key Laboratory of Terrestrial Ecological Process,Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016, China;~2Graduate School of Chinese Academy of Sciences,Beijing 100039, China)  
Many active substances such as organic acids and enzymes excreted by living plant roots could induce a great difference of Eh and pH values between root-soil interface and non-rhizosphere soil,forming a special root-soil interface miniature environment.As a mini-type ecological area with most frequent exchanges of substances,root-soil interface plays a crucial role in their absorption,transformation,migration and eco-toxicological effects.In this paper,the eco-chemical behaviors of Cd in root-soil interface affected by the change of pH,Eh and root secretion,and its eco-toxicological effects on microorganisms and enzymes in root-soil interface were reviewed,based on the related research advances in recent decade.The shortages in relevant fields were pointed out,and the scientific problems to be researched in the future were suggested.
【Fund】: 国家杰出青年科学基金项目(20225722);; 国家自然科学基金重点资助项目(20337010)
【CateGory Index】: X53
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