Journal of Agricultural Science and Engineering
Articles Information
Journal of Agricultural Science and Engineering, Vol.2, No.3, Jun. 2016, Pub. Date: Aug. 19, 2016
Evaluation of Fertility Status of Soils of Yagba West Local Government Area of Kogi State
Pages: 18-23 Views: 507 Downloads: 176
Authors
[01] Amhakhian Sunday Okhonfoh, Department of Soil and Environmental Management, Faculty of Agriculture, Kogi State University, Anyigba, Nigeria.
[02] Oyelude Ifelola, Department of Soil and Environmental Management, Faculty of Agriculture, Kogi State University, Anyigba, Nigeria.
[03] AINA Oluseyi Abel, Department of Soil and Environmental Management, Faculty of Agriculture, Kogi State University, Anyigba, Nigeria.
Abstract
The study was conducted to evaluate the current soil fertility status of different farmlands in Yagba West Local Government area of Kogi state. A total of 24 samples were taken from two districts at a depth of 0-15cm and 15-30cm from each ward. The samples were analyzed each for their Physio-chemical properties. The results obtained showed that particle size distribution ranged from loamy sand (LS) to sandy loam (SL). The pH of the area were within 5.0-6.54, a pH range suitable for most agricultural crops, while EC of the soils ranges from 0.10-0.60µmhos/cm. Available phosphorus (P) in the soil ranged from 2.26-20.42mg/kg with a mean value of 8.02mg/kg at depth of 0.15cm and 1.23-14.2mg/kg with a mean value of 5.66mg/kg at depth of 15-30cm, which is below the critical value of 15ppm. Total nitrogen and organic carbon fell below their critical values of 0.78% and 0.64% respectively. Exchangeable cations (Ca, Mg, K, Na) gave mean values of 3.21, 1.14, 1.38 and 0.64Cmol/kg respectively of Ca, Mg, K and Na. Exchangeable acidity has a mean value of 1.0(Cmol/kg) a condition that indicated moderate acidity, meaning that the soil should be properly managed for optimum productivity, with percentage base saturation of 86.91 (mol/kg) mean value.
Keywords
Electrical Conductivity, Exchangeable Cations, Optimum Productivity
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