Please use this identifier to cite or link to this item: https://doi.org/10.1016/S1002-0160(09)60174-0
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dc.titleStorage and Spatial Variation of Phosphorus in Paddy Soils of China
dc.contributor.authorLIN, J.-S.
dc.contributor.authorSHI, X.-Z.
dc.contributor.authorYU, D.-S.
dc.contributor.authorWANG, H.-J.
dc.contributor.authorZHAO, Y.-C.
dc.contributor.authorSUN, W.-X.
dc.contributor.authorLU, X.-X.
dc.date.accessioned2011-02-23T06:13:12Z
dc.date.available2011-02-23T06:13:12Z
dc.date.issued2009
dc.identifier.citationLIN, J.-S., SHI, X.-Z., YU, D.-S., WANG, H.-J., ZHAO, Y.-C., SUN, W.-X., LU, X.-X. (2009). Storage and Spatial Variation of Phosphorus in Paddy Soils of China. Pedosphere 19 (6) : 790-798. ScholarBank@NUS Repository. https://doi.org/10.1016/S1002-0160(09)60174-0
dc.identifier.issn10020160
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/19821
dc.description.abstractDue to the growing concern about the agricultural phosphorus (P) losses pollution, an in-depth understanding of P in paddy soils of China would be helpful in providing a national perspective of the environmental impact of P cycling and fertility on China's farms. In this study, we evaluated the P storage and the P density of paddy soils in China, characterized the spatial variations of P among the subgroups of paddy soils and soil regions in China, and evaluated the P data using GIS-based analysis, which included a newly compiled 1:1 000 000 digital soil map of China, and using 1 490 soil profiles. The available and total P densities of paddy soils were 6.7 and 698.5 g m-3, respectively. Overall in China, the total P storage within 1 m of paddy soils was estimated to be 330.2 Tg. The P density of paddy soils varied substantially with subgroups due to the different soil water regimes such as groundwater table and soil drainage. The P availability in paddy soils, especially in surface layer, was higher in high temperature and precipitation areas. Further research is needed to examine more anthropogenic impact factors, such as increasing use of chemical fertilizer. © 2009 Soil Science Society of China.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S1002-0160(09)60174-0
dc.sourceScopus
dc.subjectpaddy soil database
dc.subjectpaddy soil subgroups
dc.subjectphosphorus density
dc.subjectphosphorus pool
dc.typeArticle
dc.contributor.departmentGEOGRAPHY
dc.description.doi10.1016/S1002-0160(09)60174-0
dc.description.sourcetitlePedosphere
dc.description.volume19
dc.description.issue6
dc.description.page790-798
dc.description.codenPDOSE
dc.identifier.isiut000272023700012
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