Ammonium Phosphate(redirected from Ammonium dihydrogenphosphate)
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ammonium phosphate[ə′mōn·yəm ′fäs‚fāt]
(in Russian, ammofos), double ammonium-phosphate concentrated mineral fertilizer. It is composed principally of monoammonium phosphate (NH4 H2 PO4) with an admixture of diammonium phosphate [(NH4)2 HPO4 ]. It contains 45–52 percent phosphoric anhydride and 10–12 percent nitrogen. It is used on various soils as a fundamental or supplementary fertilizer.