2020
DOI: 10.1016/j.geoderma.2020.114360
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Microbial release of apatite- and goethite-bound phosphate in acidic forest soils

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Cited by 26 publications
(27 citation statements)
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“…Results of our mesocosm experiment fit to those of Pastore et al (2020), who showed that goethite-associated phosphate is hardly available to microorganisms especially at low concentrations of easily degradable organic C, which is an important driver for P release by microorganisms (Brucker et al, 2020). In our mesocosm experiment, C-limitation by microbes might, thus, be a further reason why microbes did not release sufficient P from goethite in our C-poor subsoil.…”
Section: Phosphorus From Lüss Subsoil and From The Added Adsorption Complexes Is Not Available To Beechsupporting
confidence: 83%
“…Results of our mesocosm experiment fit to those of Pastore et al (2020), who showed that goethite-associated phosphate is hardly available to microorganisms especially at low concentrations of easily degradable organic C, which is an important driver for P release by microorganisms (Brucker et al, 2020). In our mesocosm experiment, C-limitation by microbes might, thus, be a further reason why microbes did not release sufficient P from goethite in our C-poor subsoil.…”
Section: Phosphorus From Lüss Subsoil and From The Added Adsorption Complexes Is Not Available To Beechsupporting
confidence: 83%
“…Generally, in acidic soils, P ions tend to precipitate with Fe and Al cations to form insoluble oxyhydroxides or secondary P i minerals. In alkaline soils, P ions mainly precipitate with Ca to form secondary P i minerals, such as fluroapatite, hydroxyapatite, and chloroapatite [ 101 , 102 , 103 ]. Thus, the geochemical precipitation of P in soil and wastewater have contrasting effects on physicochemical stabilization of organic P compounds and environmental control of P i levels [ 44 , 104 , 105 ].…”
Section: Psm-induced Dissolution In Accelerating Metal Precipitatimentioning
confidence: 99%
“…An oxygen isotope tracing method reveals that a metastable apatite precursor is initially precipitated and then transforms to hydroxy apatite on the surface of microbial filaments, suggesting that the apatite precipitation process involves extensive biological turnover of P i by microorganisms [ 109 ]. Fe–P minerals are effectively precipitated and formed by orthophosphate ions and goethite (α–FeO(OH)), the most common secondary Fe oxyhydroxide in natural environments, through monodentate- or bidentate-complexing process [ 101 ]. Accordingly, precipitated Fe–P minerals, including vivianite, strengite, and ferrihydrite, are demonstrated as effective and promising approach to improve P removal and recovery [ 110 ].…”
Section: Psm-induced Dissolution In Accelerating Metal Precipitatimentioning
confidence: 99%
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“…The increase in SOM promotes microbial activity and the growth of the root system. The physical interpenetration of root growth is conducive to the development of soil pores, and the chemical conditions created by the exudation of organic acids by roots and microorganisms promote the decomposition of soil particles, which ultimately lead to a decrease in BD [44,45]. Along the soil profile, the BD of surface soil in different forests was significantly lower than that of other soil layers.…”
Section: Discussionmentioning
confidence: 99%