Impact of Cu and Zn pollution on rape growth and soil enzyme activity.

Abstract

Abstract: A pot experiment was conducted to study the impact of Cu and Zn pollution on soil enzyme activities and rape seedlings growth. The results showed that Cu had a stronger inhibitory effect than Zn on soil urease activity, while Zn had more obvious impact on soil calatase activity. The damage on the growth and dry mass of rape was more serious under Cu than under Zn pollution. The inhibition of rape seedlings growth was mainly due to the inhibition of root growth and its material accumulation. Factor analysis indicated that root dry mass was more sensitive than other indices, which could be adopted to monitor soil Cu and Zn pollution.

Key words: forest type, soil soluble organic matter, microbial biomass, enzyme activity

YANG Hong-fei; YAN Mi; YAO Jing; WANG You-bao; LIU Deng-yi. Impact of Cu and Zn pollution on rape growth and soil enzyme activity.[J]. Chinese Journal of Applied Ecology.

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Impact of Cu and Zn pollution on rape growth and soil enzyme activity.

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