A Global Database of Soil Phosphorus Compiled from Studies Using Hedley Fractionation

X. YANG, W.M. POST, P.E. THORNTON & A. JAIN
This data set provides concentrations of soil phosphorus (P) compiled from the peer-reviewed literature that cited the Hedley fractionation method (Hedley and Stewart, 1982). This database contains estimates of different forms of naturally occurring soil phosphorus, including labile inorganic P, organic P, occluded P, secondary mineral P, apatite P, and total P, based on the analyses of the various Hedley soil fractions. The recent literature survey (Yang and Post, 2011) was restricted to studies of...
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