Short-Term Influence of Plant and Animal Based Biochar on the Micro-Aggregation of Two Texturally Differentiated Soils
Akingbola, O. O., Dayo-Olagbende, G.O., Ojeniyi, S.O.
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Towards a climate smart approach of ensuring soil aggregate stability and sustainability, an experiment was carried out at the Department of Crop, Soil and Pest Management Laboratory in the Federal University of Technology, Akure, to determine the influence of three rates of biochar (0g, 50g, and 100g) per kilogram of soil on structural properties of the soil. Biochar rates of two sources (Animal and Plant) were added to two textural soil classes (Clay and Sandy Clay) and replicated three times in a completely randomized design. 100ml of water was added to the soil at five days intervals for a period of twelve weeks in other to stimulate aggregation. Data were collected at 4 weeks after application (WAA), 8 WAA and 12 WAA on Organic carbon content, Soil pH, Dispersion Ratio, Clay Flocculation Index, Aggregated Silt+ Clay and Clay Dispersion Index. It was concluded that 100g of plant-based biochar per kilogram of soil was most suitable for the clay and sandy clay.