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题名: Tracing Copper Derived from Pig Manure in Calcareous Soils and Soil Leachates by Cu-65 Labeling
作者: Ostermann, Anne; He, Yao; Siemens, Jan; Welp, Gerhard; Heuser, Alexander; Wombacher, Frank; Muenker, Carsten; Xue, Qaoyun; Lin, Xianyong; Amelung, Wulf
刊名: ENVIRONMENTAL SCIENCE & TECHNOLOGY
出版日期: 2015-04-07
卷号: 49, 期号:7, 页码:4609-4617
学科分类: Engineering, Environmental; Environmental Sciences
DOI: 10.1021/es504945e
通讯作者: Ostermann,A (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Plant Biodivers & Biogeog East Asia KLPB,Kunming 650201,Yunnan,Peoples R China. ; ostermann@mail.kib.ac.cn
文章类型: Article
英文摘要: Copper is used as a growth promoter in animal husbandry, resulting in high Cu concentrations in animal manure. We tested whether Cu would be mobilized in soils receiving excessive loads of manure, both from recently added and from aged fractions. To discriminate between these Cu sources, manure was labeled with Cu-65. After soil application of 0, 15, and 30 Mg manure ha(-1), leachate was collected in free-draining lysimeters (40 cm depth) under undisturbed soil over a 53 day period. Determining the total amounts of Cu and the fractions of Cu-65 in leachate and the soil profile enabled us to trace the translocation of Cu derived from labeled manure. More than 84% of the applied Cu was retained in the top 2 cm of soil. Less than 0.01% of the applied Cu was detected overall in the leachate. Of this amount, however, 38% (+/- 8.9 SE) was leached within 8 days after application. The total Cu concentration in leachates (32-164 mu g L-1) frequently exceeded the Chinese groundwater quality standard of 50 mu g L-1. The added Cu-65, however, accounted for less than 3.6% of the total Cu leaching load, suggesting that Cu from older sources and/or geological background controls contamination, regardless of current land management.
类目[WOS]: Engineering, Environmental ; Environmental Sciences
研究领域[WOS]: Engineering ; Environmental Sciences & Ecology
关键词[WOS]: DISSOLVED ORGANIC-MATTER ; CONTAMINATED SANDY SOIL ; HEAVY-METALS ; VETERINARY ANTIBIOTICS ; AGRICULTURAL SOILS ; SEWAGE-SLUDGE ; LIVESTOCK FEEDS ; CU ; MOBILITY ; CHINA
收录类别: SCI
项目资助者: Federal Ministry of Education and Research, Germany (BMBF) ; Ministry of Science and Technology, China (MOST) ; German Academic Exchange Service (DAAD)
语种: 英语
WOS记录号: WOS:000352659000073
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/20645
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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