Periphyton: an important regulator in optimizing soil phosphorus bioavailability in paddy fields | |
Wu, Yonghong1; Liu, Junzhuo1; Lu, Haiying1; Wu, Chenxi2; Kerr, Philip3 | |
刊名 | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH |
2016-11-01 | |
卷号 | 23期号:21页码:21377-21384 |
关键词 | Periphyton Phosphorus Bioavailability Paddy field |
ISSN号 | 0944-1344 |
DOI | 10.1007/s11356-016-7363-0 |
英文摘要 | Periphyton is ubiquitous in paddy field, but its importance in influencing the bioavailability of phosphorus (P) in paddy soil has been rarely recognized. A paddy field was simulated in a greenhouse to investigate how periphyton influences P bioavailability in paddy soil. Results showed that periphyton colonizing on paddy soil greatly reduced P content in paddy floodwater but increased P bioavailability of paddy soil. Specifically, all the contents of water-soluble P (WSP), readily desorbable P (RDP), algal-available P (AAP), and NaHCO3-extractable P (Olsen-P) in paddy soil increased to an extent compared to the control (without periphyton) after fertilization. In particular, Olsen-P was the most increased P species, up to 216 mg kg(-1) after fertilization, accounting for nearly 60 % of total phosphorus (TP) in soil. The paddy periphyton captured P up to 1.4 mg g(-1) with Ca-P as the dominant P fraction and can be a potential crop fertilizer. These findings indicated that the presence of periphyton in paddy field benefited in improving P bioavailability for crops. This study provides valuable insights into the roles of periphyton in P bioavailability and migration in a paddy ecosystem and technical support for P regulation. |
资助项目 | State Key Basic Research Program of China[2015CB158200] ; National Natural Science Foundation of China[41422111] ; Natural Science Foundation of Jiangsu Province, China[BK20150066] |
WOS关键词 | NUTRIENT-REMOVAL ; WATER ; SEDIMENTS ; ADSORPTION ; RELEASE ; SYSTEMS ; CHINA ; ALGAE |
WOS研究方向 | Environmental Sciences & Ecology |
语种 | 英语 |
出版者 | SPRINGER HEIDELBERG |
WOS记录号 | WOS:000387599600024 |
资助机构 | State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; State Key Basic Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; 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Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China ; Natural Science Foundation of Jiangsu Province, China |
内容类型 | 期刊论文 |
源URL | [http://ir.ihb.ac.cn/handle/342005/34095] |
专题 | 水生生物研究所_水环境工程研究中心_期刊论文 |
通讯作者 | Wu, Yonghong |
作者单位 | 1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, 71 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China 2.Chinese Acad Sci, Inst Hydrobiol, 7 South Donghu Rd, Wuhan 430072, Peoples R China 3.Charles Sturt Univ, Sch Biomed Sci, Wagga Wagga, NSW 2678, Australia |
推荐引用方式 GB/T 7714 | Wu, Yonghong,Liu, Junzhuo,Lu, Haiying,et al. Periphyton: an important regulator in optimizing soil phosphorus bioavailability in paddy fields[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2016,23(21):21377-21384. |
APA | Wu, Yonghong,Liu, Junzhuo,Lu, Haiying,Wu, Chenxi,&Kerr, Philip.(2016).Periphyton: an important regulator in optimizing soil phosphorus bioavailability in paddy fields.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,23(21),21377-21384. |
MLA | Wu, Yonghong,et al."Periphyton: an important regulator in optimizing soil phosphorus bioavailability in paddy fields".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 23.21(2016):21377-21384. |
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