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Direct and residual phosphorus effects on grain yield-phosphorus uptake relationships in upland rice on an ultisol in West Africa



Direct and residual phosphorus effects on grain yield-phosphorus uptake relationships in upland rice on an ultisol in West Africa



International Journal Of Plant Production: 4, 281-287



Phosphorus (<i>P</i>) deficiency is a major constraint to crop production on highly weathered, low-activity clay soils in the humid zone of West Africa. Past research suggested a linear relationship between grain yield and P uptake over a range of fertilizer P applied to upland rice cultivars.

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Accession: 030950068

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