Indian Journal of Agricultural Research

  • Chief EditorT. Mohapatra

  • Print ISSN 0367-8245

  • Online ISSN 0976-058X

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Indian Journal of Agricultural Research, volume 34 issue 2 (june 2000) : 78-84

CHARACTERIZATION OF SOILS OF EDO STATE OF NIGERIA FOR THE COMPUTATION OF PHOSPHORUS FERTILIZER FACTOR

1.0. Osemwota, A.1. Ogboghodo. G.O. Okpefa, K.E. Njukwe
1Department of Soil Science, Edo State University, Ekpoma-Nigeria
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Cite article:- Osemwota 1.0., Okpefa G.O. Ogboghodo. A.1., Njukwe K.E. (2024). CHARACTERIZATION OF SOILS OF EDO STATE OF NIGERIA FOR THE COMPUTATION OF PHOSPHORUS FERTILIZER FACTOR. Indian Journal of Agricultural Research. 34(2): 78-84. doi: .
A sorption study was conducted on soils of Edo State of Nigeria to work out phosphorus fertilizer required for raising the soil test value or P status. Eleven surface soil samples (0-15cm) differing in soli physico-chemical properties were used for study. Composite surface soil collected from each site was, treated with ten levels of P and incubated for forty two-day period. Analysis for P using Bray PI, showed that the quantity of applied P (kg/ha) required to raise the soil test value by a unit amount (mg/L), i.e. the P fertilizer factor varied from 1.28 to 2.50 with a mean of 1.76. The level of P sorption was influenced by free Fe2O3.
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