Mono- and diammonium phosphates and triple superphosphate as sources of P in a calcareous soil

Abstract

Recovery of phosphorus from monoammonium phosphate (MAP), diammonium phosphate (DAP) and triple superphosphate (TSP), at rates of 0, 15, 30, or 45 mg P kg−1 was determined in a pot experiment on a Calcaric Lithosol soil (21% CaCO3). At the 15 mg P kg−1 rate DAP was as effective as MAP and more effective than TSP in supplying P, but it was less effective… (More)
DOI: 10.1007/BF01051013

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