Journal article
Methods for assessing laterally-resolved distribution, speciation and bioavailability of phosphorus in soils
Reviews in Environmental Science and Biotechnology, Vol.21, pp.53-74
2022
Abstract
Supply of phosphorus (P) as an agricultural input depends on a limited mineral rock phosphate reserve, but inefficient use means this resource is not being used sustainably. Moreover, losses of P from historically accumulated soil reserves can cause substantial environmental harm. Development of sustainable P management will require optimization of P use efficiency, with this needing a better understanding of the distribution and chemical behaviour of P in soils, including both P applied as a fertilizer and native P. In this review, we discuss in-situ methods for microscopic mapping of P distribution , speciation and plant-available P fractions in soils, including scanning electron microscopy-based energy-dispersive X-ray spectroscopy, nanoscale secondary ion mass spectroscopy, X-ray fluorescence microscopy (and associated X-ray absorption spec-troscopy), Raman and infrared spectroscopies, diffu-sive gradients in thin films coupled with laser ablation inductively coupled plasma mass spectrometry or colorimetry, and autoradiography. These methods can complement the traditional (bulk) methods for P analysis as well as deliver valuable information in their own right or in conjunction as part of an imaging cascade. We compare the merits and limitations of these techniques, which can serve to play a key role in answering questions about P behaviour in soil, from the microscopic to macroscopic scale, and provide some examples of how they may support researchers in their particular research.
Details
- Title
- Methods for assessing laterally-resolved distribution, speciation and bioavailability of phosphorus in soils
- Authors
- Frederik J T van der Bom (Corresponding Author) - The University of QueenslandPeter M. Kopittke (Author) - The University of QueenslandNelly S. Raymond (Author) - The University of QueenslandRyo Sekine (Author) - University of the Sunshine Coast, Queensland, School of Science, Technology and EngineeringEnzo Lombi (Author) - University of South AustraliaCarsten W. Mueller (Author) - University of CopenhagenCasey L. Doolette (Author) - University of South Australia
- Publication details
- Reviews in Environmental Science and Biotechnology, Vol.21, pp.53-74
- Publisher
- Springer Netherlands
- Date published
- 2022
- DOI
- 10.1007/s11157-021-09602-z
- ISSN
- 1572-9826
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99603407402621
- Output Type
- Journal article
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- Biotechnology & Applied Microbiology
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