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The physicochemical properties of soils from natural flood disaster affected areas of Isoko Region of Delta State, Nigeria, were investigated. The results indicated that there was an overall reduction in soil pH (5.425± 0.313), phosphorus (7.47±6.34mgkg -1 ), and nitrate (0.34±0.07mgkg -1 ) contents as well as exchangeable calcium 1.97±0.31mgkg -1 potassium (0.09±0.01mgkg -1 ), and effective cation exchange capacity (5.076±1.532 (cmolkg -1 )) and related parameters with 3.87±0.21, 77.57±5.83 and 7.99±2.72 for Base Exchange Capacity, Base Saturation and Soil Buffering capacity respectively. There was however increase in the values of exchangeable magnesium (1.50±0.25mgkg -1 ), exchangeable sodium (0.28±0.004mgkg -1 ) and also exchangeable acidity with the values 0.43+0.08 and 0.42±1.02mgkg -1 for Hydrogen and Aluminum respectively. There was no appreciable change in the values of Total Organic Carbon (0.40±0.096%), Total Nitrogen (0.025±0.035%) and Sulphate (0.10±0.02mgkg -1 ). The overall results indicate that the flood increased soil acidity and decreased the ability of the soils to adsorb metals, but did not have appreciable effect on the biodegradable and compostable materials. Government should be proactive and devise measures to prevent further flood disaster in the country.

Evaluation of Physicochemical Characteristics of Soils in the Flood Disaster Affected Areas of Isoko Region of Delta State, Nigeria