Research Article Open Access

Effect of Soil Physical Properties on the Efficiency of Soil Organic Carbon Sequestration in Selected Farming Systems in South-western Nigeria.

Abstract

The study was aimed at determining the effect of soil bulk density, particle size, pH and electrical conductivity on the efficiency of soil organic carbon sequestration in four study sites of Lagos State, south western Nigeria. Samples were collected at the end of harvesting season in August2010, bulked and analyzed. The study sites were conservation/organic farm plots) (A), Manual and continuous cropping plot (B) Agro-forest plot (C) and conventional farmers plot (D). Bulk density and Conductivity of the conservation tilled/organic farm plots were not significantly (p<0.05) different from agro-forestry, whereas bulk density and conductivity of the soil samples of the conservation tilled/organic farm plots were found significantly (p<0.05) different from the adjacent conventionally tilled/ continuously cropped farm plot. Bulk density, pH and Particle size of the study sites were found to influence the quantity of soil organic carbon (SOC) stock at each study site.

Okubena-Dipeolu EA, Adewale PS and Ayeni LS

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