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Comparative studies on the soil enzymic activities of two plant communities in the Yellow River delta

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5 Author(s)
Di Cao ; Coll. of Life Sci., Nankai Univ., Tianjin, China ; Fuchen Shi ; Zhaohua Lu ; Zhigang Yao
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Soil enzyme plays an active role in the material recycling and energy flow of soil biochemical process. This article dealed with the month changes of catalase, dehydrogenase, phosphatase, urease, protease in Suaeda salsa and Aeluropus sinensis in the Yellow River Delta. Meanwhile, the relationship between the soil enzyme activities and physical-chemical factors was discussed by correlation analysis. The results showed: (1) Enzyme activities were significantly higher in the planted plots than that of plots unplanted. (2) Except soil catalase activities, the month variations of other four soil enzyme acticities in two communities were all maximal values in August. (3) The result from the correlation analysis showed that soil organi carbon and nitrate nitrogen were dominant factors, and soil salinity, available P and ammonium nitrogen were secondary for soil enzyme activities. These findings demonstrated that soil enzyme activities are influenced by different plant communities and environmental variables.

Published in:

Remote Sensing, Environment and Transportation Engineering (RSETE), 2011 International Conference on

Date of Conference:

24-26 June 2011