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Residual available phosphorus in near-neutral and alkaline soils: II. Persistence and quantitative estimation



Residual available phosphorus in near-neutral and alkaline soils: II. Persistence and quantitative estimation



Soil Science Society of America Journal 46(2): 335-338



A continuous cropping greenhouse study of 28 Colorado soils with phosphorus (P) rates of 0 and 30 ppm was conducted in order to (i) evaluate the persistence of residual available P in near-neutral and calcareous soils and (ii) to predict its quantity. Residual available P was defined as the amount of P removed from soil by plant uptake until the NaHCO3-P level dropped to 10 ppm.

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Accession: 000969513

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