Articles | Volume 17, issue 1
https://doi.org/10.5194/bg-17-89-2020
https://doi.org/10.5194/bg-17-89-2020
Research article
 | 
07 Jan 2020
Research article |  | 07 Jan 2020

Anoxic conditions maintained high phosphorus sorption in humid tropical forest soils

Yang Lin, Avner Gross, Christine S. O'Connell, and Whendee L. Silver

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Cited articles

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Barcellos, D., Cyle, K. T., and Thompson, A.: Faster redox fluctuations can lead to higher iron reduction rates in humid forest soils, Biogeochemistry, 137, 367–378, https://doi.org/10.1007/s10533-018-0427-0, 2018. 
Bhattacharyya, A., Campbell, A. N., Tfaily, M. M., Lin, Y., Kukkadapu, R. K., Silver, W., Nico, P. S., and Pett-Ridge, J.: Redox fluctuations control the coupled cycling of iron and carbon in tropical forest soils, Environ. Sci. Technol., 52, 14129–14139, https://doi.org/10.1021/acs.est.8b03408, 2018. 
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Short summary
Phosphorus (P) is an important soil nutrient that often limits plant growth and microbial activity in humid tropical forests. These ecosystems receive a large amount of rainfall that helps create frequent anoxic events in soils. Our results show that anoxic conditions reduced the strength of soil minerals to bind P even though a large amount of P was still bound to minerals. Our study suggests that anoxic events might serve as hot moments for plants and microbes to acquire P.
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