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Chemical nature of residual phosphorus in Andisols

Velásquez, G.; Ngo, P.-T.; Rumpel, C.; Calabi-Floody, M.; Redel, Y.; Turner, B. L.; Condron, Leo M.; Mora, M. L. (Elsevier B.V., 2016-06-01)

Sequential fractionation has been widely used to study the nature and dynamics of soil P. Residual P - the recalcitrant P fraction remaining after sequential extraction with alkali and acid reagents - often constitutes the ...