Soil organic phosphorus transformation during ecosystem development: A review
Huang, LM; Jia, XX; Zhang, GL; Shao, MA
Source PublicationPLANT AND SOIL
AbstractSoil organic phosphorus transformation during ecosystem development exerts a crucial influence on soil fertility and ecosystem properties. This paper reviews the use of solution P-31 NMR spectroscopy for characterizing organic phosphorus speciation in soil chronosequence and long-term field experiments in order to improve our understanding of the temporal changes, fundamental processes, and associated natural and anthropogenic controls of organic phosphorus transformation during long-term ecosystem evolution. Published soil chronosequence studies show that organic phosphorus compounds under aerobic conditions are dominated by phosphate monoesters (occurred mainly as inositol phosphates) followed by phosphate diesters (occurred mainly as DNA) and phosphonates, irrespective of the different parent materials, vegetation covers and climatic conditions. This contrasted markedly with wetland soils in which phosphate monoesters and diesters maintained approximately equal proportions, which is attributed to the limited reactive clay surfaces for stabilization and/or decomposition of myo-inositol hexakisphosphate under frequent anaerobic conditions. Most organic phosphorus compounds in soil chronosequences increase with age to reach a maximum and then decline with time, although the apex varies significantly among different organic phosphorus compounds and chronosequences. Variations of the potential for phosphorus stabilization resulting from mineralogical transformation, changes in phosphorus sources due to shifts in plant and microbial communities, and differences in the biological utilization of various phosphorus compounds have been suggested as three main mechanisms controlling the temporal changes in organic phosphorus species, abundance and availability during natural ecosystem development. In agricultural soils, the amounts, forms, and dynamics of organic phosphorus are determined by internal soil properties, external environmental conditions and managements, including the history and intensity of land use, different tillage practices and fertilizer treatments. These mechanisms are interlinked and more research is required to isolate both internal and external factors that regulate organic phosphorus transformation in agricultural ecosystems. Given the universal dependence on organic phosphorus for life and its critical roles in biogeochemical cycling, we put forward several open questions that need to be resolved in the future studies by emphasizing the multidisciplinary collaborations, the use of multiple analytical techniques and the establishment of quantitative organic phosphorus transformation models.
KeywordOrganic phosphorus speciation NMR spectroscopy Biogeochemical cycling Chronosequence Pedogenic threshold Long-term-field experiment Anthropogenic impact
Subject AreaAgriculture ; Plant Sciences
WOS Subject ExtendedAgronomy ; Plant Sciences ; Soil Science
Indexed BySCI
WOS IDWOS:000407750900002
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Document Type期刊论文
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GB/T 7714
Huang, LM,Jia, XX,Zhang, GL,et al. Soil organic phosphorus transformation during ecosystem development: A review[J]. PLANT AND SOIL,2017,417(01-02):17-42.
APA Huang, LM,Jia, XX,Zhang, GL,&Shao, MA.(2017).Soil organic phosphorus transformation during ecosystem development: A review.PLANT AND SOIL,417(01-02),17-42.
MLA Huang, LM,et al."Soil organic phosphorus transformation during ecosystem development: A review".PLANT AND SOIL 417.01-02(2017):17-42.
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