Sulphur Status Of Some Soils In Edo State, Nigeria
Isitekhale, H.H.E., Aboh, S.I., Oseghale, E.S.
Key words; inorganic sulphur, organic sulphur,sulphur, physico-chemical properties, total sulphur
Abstract: Sulphur status of some soils in Edo Central, Nigeria was evaluated in five different locations; Ekpoma, Irrua, Uromi, Ubiaja and Agbede. The area lies within the derived savanna-forest transitional zone. Surface soil samples (0 – 15 cm) collected from the five localities wasanalyzed for their physico-chemical properties, inorganic, organic and total sulphur contents. Results showed that inorganic, organic and total sulphur ranged from 0.10 to 0.37, 0.79 to 2.75 and 6.30 to 16.41 mg/kg respectively. Inorganic sulphur content of all the locations was generally below the critical level of 8.50 mg/kg and therefore generally deficient in inorganic sulphur. Inorganic sulphur correlated significantly with available phosphorus but was negative and non-significant with organic carbon, pH, nitrogen, ECEC, clay and silt contents. Application of sulphur fertilizer is recommended for adequate crop yield in the agro-ecological zone.
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