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题名:
Effects of air-drying and freezing on phosphorus fractions in soils with different organic matter contents
作者: Xu, Gang(徐刚)2,3; Sun, J. N.2,5; Xu, R. F.3; Lv, Y. C.2; Shao, HongBo(邵宏波)1,2; Yan, K.2; Zhang, L. H.2; Blackwell, M. S. A.4
刊名: PLANT SOIL AND ENVIRONMENT
ISSN号: 1214-1178
出版日期: 2011
卷号: 57, 期号:5, 页码:228-234
关键词: P transformation ; Hedley fractionation ; air-drying ; climate change ; forest soil ; sterile soil
学科分类: Agronomy
产权排序: [Shao, H. B.] Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China; [Xu, G.; Sun, J. N.; Lv, Y. C.; Shao, H. B.; Yan, K.; Zhang, L. H.] Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Shandong Prov Key Lab Coastal Environm Proc, Yantai, Peoples R China; [Xu, G.; Xu, R. F.] Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing, Peoples R China; [Blackwell, M. S. A.] N Wyke, Rothamsted Res, Okehampton, Devon, England; [Sun, J. N.] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
通讯作者: Shao, HB, Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China.shaohongbochu@126.com
作者部门: 滨海湿地实验室 
英文摘要: Little is known about the effects of air-drying and freezing on the transformation of phosphorus (P) fractions in soils. It is important that the way in which soils respond to such perturbations is better understood as there are implications for both P availability and loss to surface waters from soils. In this study, the effects of air-drying and freezing were investigated using two soils, one being a forest soil (FS) high in organic matter and the other being a sterile soil (SS) low in organic matter. Soil P was fractionated using a modified Hedley fractionation method to examine the changes of phosphorus fractions induced by air-drying and freezing. Generally, there were no significant differences of total phosphorus among the three treatments (CV% < 10%). Compared with field moist soils, freezing the soil evoked few changes on phosphorus fractions except that the resin-P increased in FS soil. On the contrary, air-drying significantly changed the distribution of phosphors fractions for both soils: increased the labile-P (especially resin-P) and organic-P (NaHCO(3)-Po, NaOH-Po and Con. HCl-Po) at the expense of NaOH-Pi and occlude-P (Dil. HCl-P and Con. HCl-Pi). Resin-P significantly increased by 31% for SS soil and by 121% for FS soil upon air-drying. The effect of air-drying seemed to be more pronounced in the FS soil with high organic matter content. These results indicated that drying seem to drive the P transformation form occlude-P to labile-P and organic-P and accelerated the weathering of stable P pool. This potentially could be significant for soil P supply to plants and P losses from soils to surface waters under changing patterns of rainfall and temperature as predicted by some climate change scenarios.
研究领域[WOS]: Agriculture
项目资助者: National Natural Science Foundation of China 41001137 ; Chinese Academy of Sciences (CAS) 2009Y2B211 ; Yantai Science and Technology Development Project 2010245 ; Open Foundation of LAPC, Institute of Atmospheric Physics, Chinese Academy of Sciences (CAS) LAPC-KF-2009-05 ; Shandong Provincial Key Laboratory of Eco-Environmental Science for Yellow River Delta 2009KFJJ05 ; Science and Technology Development Plan of Shandong Province 010GSF10208 CAS/SAFEA KZCX2-YW-JC203
关键词[WOS]: MICROBIAL BIOMASS ; PASTURE SOILS ; MINERALIZATION ; SOLUBILIZATION ; SAMPLES ; CONSEQUENCES ; STORAGE ; FOREST ; FRESH
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000291215400006
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/4810
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文
滨海湿地实验室_期刊论文
山东省海岸带环境过程重点实验室_期刊论文

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作者单位: 1.Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Shandong Prov Key Lab Coastal Environm Proc, Yantai, Peoples R China
3.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing, Peoples R China
4.N Wyke, Rothamsted Res, Okehampton, Devon, England
5.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China

Recommended Citation:
Xu, G.,Sun, J. N.,Xu, R. F.,et al. Effects of air-drying and freezing on phosphorus fractions in soils with different organic matter contents[J]. PLANT SOIL AND ENVIRONMENT,2011,57(5):228-234.
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