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Utilization of Livestock Manure as Bioactivator to Accelerate Decomposition Rate of Urban Leaf Waste
Fahruddin F.
Aip Conference Proceedings
Abstract
Organic waste is one of the problems in big cities as one of the reforestation programs. One great and environmentally friendly alternative is to create compost from the leaf litter. The research objective is to analyze the effect of adding bioactivator to accelerate decomposition rate. Compost is made of burmese rosewood leaves (Pterocarpus indicus), rain tree (Samanea saman), and crepe myrtle (Lagerstroemia speciosa); types of bioactivators used are cowdung and chicken manure. Moreover, the treatments consist of a mixture of leaves added by 20% chicken manure (PA), a mixture of leaves with 20% cow-dung (PB), leaves mixed by 10% cow-dung and 10% chicken manure (PC), and a mixture of leaf litter without livestock manure as the control (P0) for 30 days of composting process, observed of the color, odor, ph, temperature, composting rate, and c:n. the results showed that pb treatment with 20% cow-dung bioactivator significantly affected the rate of decomposition in some compost characteristics, namely blackish brown color, pH 7, temperature 28°C, decomposition rate of 0.43 grams/day, and the value of the c:n ratio showed 15.7% that were close to composting specifications of domestic organic waste based on Indonesian national standards. compared to the composting rate in pb treatment of 0.43 kilograms/10 days, pa treatment is 0.39 kilograms/day and pc treatment is 0.37 kilograms/10 days.