Indian Journal of Agricultural Research

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Indian Journal of Agricultural Research, volume 39 issue 4 (december 2005) : 249 - 255

DIFFERENT FORMS OF POTASSIUM IN SOME SOILS OF CENTRAL SOUTHERN NIGERIA

1.0. Osernwota, A. Izevbigie, I.A. Ogboghodo, E.A. Aghirnien1
1Department of Soil Science, Ambrose Alii University, Ekpoma, Nigeria

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Cite article:- Osernwota 1.0., Izevbigie A., Ogboghodo I.A., Aghirnien1 E.A. (2024). DIFFERENT FORMS OF POTASSIUM IN SOME SOILS OF CENTRAL SOUTHERN NIGERIA. Indian Journal of Agricultural Research. 39(4): 249 - 255. doi: .

ABSTRACT

In twenty composite surface (0–15 cm) and sub-surface (15–30 cm) soil samples collected from different locations of Central Southern Nigeria, total, fixed, exchangeable and water soluble K Contents of the soils ranged from 300 to 1400, 27.8 to 109.2, 7.2 to 115 and 1.2 to 18.00 mg/kg, respectively. Clay was negatively and significantly correlated with total K (r = −0.32*) and water soluble K (r = −0.43**) whereas pH was positively and significantly correlated with total K (r = 0.51***). The distribution of K in these soils appeared to be influenced by parent material, its degree of weathering, and pH. Ninety per cent of the soils were deficient in exchangeable K.

KEYWORDS

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