The role of soil redox conditions in microbial phosphorus cycling in humid tropical forests

Avner Gross, Yang Lin, Peter Weber, Jennifer Pett-Ridge & Whendee Silver
Humid tropical forests are among the most productive ecosystems globally, yet they often occur on soils with high phosphorus (P) sorption capacity, lowering P availability to biota. Short-term anoxic events are thought to release sorbed P and enhance its acquisition by soil microbes. However, the actual effects of anoxic conditions on microbial P acquisition in humid tropical forest soils are surprisingly poorly studied. We used laboratory incubations of bulk soils, NanoSIMS analysis of single microbial...
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