| 污泥堆肥农用中重金属在海桐中的积累效应 |
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| 引用本文： | 刘忠良,田晓军,龚萍,马玲,邢承华.污泥堆肥农用中重金属在海桐中的积累效应[J].广东微量元素科学,2009,16(9):34-38. |
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| 作者姓名： | 刘忠良 田晓军 龚萍 马玲 邢承华 |
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| 作者单位： | 1. 金华职业技术学院,浙江,金华,321017
2. 金华职业技术学院,浙江,金华,321017;污染环境修复与生态健康教育部重点实验室浙江大学环境与资源学院,浙江杭州,310029 |
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| 基金项目： | 污染环境修复与生态健康教育部重点实验室开放基金，金华市科技项目 |
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| 摘 要： | 采用小区试验的方法，研究了金华污水厂污泥堆肥土地利用过程中海桐根部对重金属的吸收及富集作用。结果表明，海桐对Cu均表现出比Zn更强的富集能力，而对Cd、Pb的富集能力很弱，其须根对重金属的吸收能力显著高于主根；就不同重金属的绝对吸收量而言，对Zn的吸收总量是最高的；须根中的Zn含量总体呈现随土壤中Zn含量增加而上升的趋势。
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| 关 键 词： | 污泥 重金属 海桐 富集 吸收 |
Adsorption of Heavy Metals by Pittosporum tobira Appling Composted Sewage Sludge |
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| Institution: | LIU Zhongliang, TIAN Xiaojun, GONG Ping, XING Chenghua ( 1. Agriculture and Bioengineering Institute, Jinhua College of Profession and Technolog, Jinhua 321017, China; 2. Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310029, China) |
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| Abstract: | Using plot experiment, in Jinhua sewage factory sludge composting land utilization process, the absorption of Pittosporum tobira to heavy metal was studied. The result indicate that Pittosporum tobira displays more strongly concentrate ability of Cu compared to Zn, but to Cd, Pb concentrates ability to be very weak. The heavy metal absorbancy of fibrous root obviously is higher than the main root; Speaking of the different heavy metal's absolute absorbing capacity, Zn absorption total quantity is highest. The content of Zn in Pittosporum tobira presents increasement tendency increasing along with the Zn content insoil. |
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| Keywords: | sewage sludge heavy metals Pittosporum tobira enrichment adsorption |
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