Toxicological Effects of Cd Pollution on Soil Urease Activity

DOI

10.2991/cas-15.2015.23How to use a DOI?

Keywords

soil; cadmium; urease; toxic effect.

Abstract

To characterize the effect of heavy metal Cd on soil microbial activity, urease activity was analyzed based on the enzymatic products of ammonia. . The results showed Cd concentrations had little effect on the urease activity and the incubation time had strong effect on the activity of urease activity with the incubation time. Cd had a significant effect on urease activity during the incubation phase. Urease activity was significantly higher than that of without addition of Cd in soil. When the activation effect of Cd was studied, there is a threshold of Cd among the concentrations of Cd. The threshold can promote the urease activity increased and be conducive to microbial decomposition of urea. Once the threshold is exceeded, the decomposition efficiency of urea will reduce the effect, absorption and utilization of microbial.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Yang Baoshan
AU  - He Fei
AU  - Chen Qinglin
AU  - Wang Hui
PY  - 2015/08
DA  - 2015/08
TI  - Toxicological Effects of Cd Pollution on Soil Urease Activity
BT  - Proceedings of the 2015 AASRI International Conference on Circuits and Systems
PB  - Atlantis Press
SP  - 96
EP  - 98
SN  - 2352-538X
UR  - https://doi.org/10.2991/cas-15.2015.23
DO  - 10.2991/cas-15.2015.23
ID  - Baoshan2015/08
ER  -