IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2017  > Vol14 No.12
Impacts of soil properties on phosphorus adsorption and fractions in purple soils
Xiao, Yi1; Tang, Jia-liang1; Wang, Ming-kuang2; Zhai, Long-bo1; Zhang, Xi-feng1
2017
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume14Issue:12Pages:2420-2431
SubtypeArticle
AbstractInformation on phosphorus (P) adsorption and its impacts on the redistribution of the P fraction in soil profiles are important for environmental management under intensive agricultural practices. To clarify the dominant factors influencing soil phosphorus adsorption in an Entisol (locally known as purple soil), P adsorption experiments were conducted in Sichuan Basin of southwestern China for cropland and woodland soils with acidic, neutral and calcareous origins throughout their profile. After various doses of P were added during incubation experiments, soil P fractions were also analyzed. The results showed that there were no significant differences in Fe-oxides and P adsorption along the vertical gradients. Agricultural practices and lower pH conditions reduced the P adsorption capacity of purple soils throughout the soil profiles. For acidic and neutral purple soil profiles, the P adsorption capability was mainly influenced by Fe-oxides and soil texture. Ca-bound P and Fe-Al-bound P represented the majority of the total inorganic P of calcareous soils. There was a saturation of adsorption capacity by sesquioxide and a high risk of dissoluble reactive P (NH4Cl-P) being released out of the soil profile in acidic and neutral purple soils after the greatest P addition, indicated by the higher proportions of NH4Cl-P (over 40%) and decreasing Fe-Al-P fraction. P fractions migrated with greater difficulty in calcareous purple soil profiles as Ca-P fraction peaked over 65% when adding a P dose at or greater than 80 g P kg(-1), indicating the high potential of P adsorption. The X-Ray Diffraction analysis also verified the formation of brushite. Adaptive management practices should be designed to alleviate P losses for acidic and neutral purple soils.
KeywordAgroecology Soil parent material Feoxides Phosphorus adsorption Incubation experiment Phosphorus fraction
DOI10.1007/s11629-017-4545-2
Indexed BySCI
WOS KeywordCENTRAL SICHUAN BASIN ; PHOSPHATE SORPTION ; CALCAREOUS SOILS ; IRON-OXIDES ; CHINA ; RELEASE ; EROSION ; AREA ; POLLUTION ; KINETICS
Language英语
Quartile4区
Funding ProjectNational key RD program[2016YFD0200309-7] ; Natural Science Foundation of China[41430750] ; Natural Science Foundation of China[41371241] ; West Light Foundation of Chinese Academy of Sciences (Young Scholarship A)
TOP
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000418074700004
Funding OrganizationNational key RD program ; Natural Science Foundation of China ; West Light Foundation of Chinese Academy of Sciences (Young Scholarship A)
PublisherSCIENCE PRESS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/20632
CollectionJournal of Mountain Science_Journal of Mountain Science-2017_Vol14 No.12
山地表生过程与生态调控重点实验室
Corresponding AuthorTang, Jia-liang
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Environm Evolut & Regulat, Chengdu 610041, Sichuan, Peoples R China
2.Natl Taiwan Univ, Dept Agr Chem, Taipei 10617, Taiwan
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Xiao, Yi,Tang, Jia-liang,Wang, Ming-kuang,et al. Impacts of soil properties on phosphorus adsorption and fractions in purple soils[J]. JOURNAL OF MOUNTAIN SCIENCE,2017,14(12):2420-2431.
APA Xiao, Yi,Tang, Jia-liang,Wang, Ming-kuang,Zhai, Long-bo,&Zhang, Xi-feng.(2017).Impacts of soil properties on phosphorus adsorption and fractions in purple soils.JOURNAL OF MOUNTAIN SCIENCE,14(12),2420-2431.
MLA Xiao, Yi,et al."Impacts of soil properties on phosphorus adsorption and fractions in purple soils".JOURNAL OF MOUNTAIN SCIENCE 14.12(2017):2420-2431.
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