Alleviated toxicity of cadmium by the rhizosphere of kandelia obovata (S, L) Yong

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	Alleviated toxicity of cadmium by the rhizosphere of kandelia obovata (S, L) Yong
	Weng, Bos ; Huang, Yong ; Liu, Jingchun ; Lu, Haoliang ; Yan, Chongling ; Liu JC(刘景春) ; Lu HL(卢豪良) ; Yan ZL(严重玲)
刊名	http://dx.doi.org/10.1007/s00128-014-1372-9
	2014
关键词	Cadmium Enzymes pH Toxicity
英文摘要	A pot experiment was conducted to investigate the Cadmium (Cd) toxicity alleviated by the rhizosphere of Kandelia obovata (S., L.) Yong (K. obovata), using a rhizobox with Cd concentrations of 0, 12.5, 25, 50 and 100 mg kg-1 soil. The rhizobox used to plant K. obovata was divided into five sections by nylon cloth (S2-S5). Our results showed that pH was lower in rhizosphere than in non-rhizosphere soil. Microbial biomass C (Cmic) and N (Nmic) was stimulated in rhizosphere zone, but inhibited by Cd additions. Soil enzyme activities were significantly higher in rhizosphere (S2) than in non-rhizosphere soil (S5) (p < 0.05). In addition, DTPA-extractable Cd in different rhizosphere zone soil (S2-S5) was influenced directly under different rates of Cd supply. Moreover, Cd treatments could induce the enhancement of DTPA-extractable Cd. This study suggests that Cd toxicity can be alleviated in the rhizosphere even under high Cd supply.
语种	英语
出版者	Springer New York LLC
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/90900]
专题	生命科学－已发表论文
推荐引用方式 GB/T 7714	Weng, Bos,Huang, Yong,Liu, Jingchun,et al. Alleviated toxicity of cadmium by the rhizosphere of kandelia obovata (S, L) Yong[J]. http://dx.doi.org/10.1007/s00128-014-1372-9,2014.
APA	Weng, Bos.,Huang, Yong.,Liu, Jingchun.,Lu, Haoliang.,Yan, Chongling.,...&严重玲.(2014).Alleviated toxicity of cadmium by the rhizosphere of kandelia obovata (S, L) Yong.http://dx.doi.org/10.1007/s00128-014-1372-9.
MLA	Weng, Bos,et al."Alleviated toxicity of cadmium by the rhizosphere of kandelia obovata (S, L) Yong".http://dx.doi.org/10.1007/s00128-014-1372-9 (2014).