PRODUCTION OF LIQUID FERTILIZER FROM MUNICIPAL WASTES
Environmental pollution from municipal wastes generated by human, animal activities and plants has been a major challenge and problem to environmental engineers all over the world. Therefore, transforming municipal wastes into useful products of liquid fertilizers is required to decrease the amount of wastes and methane gas. This study aims to produce an efficient concept and practice, for the stabilization of Nutrient-rich fertilizer from selected municipal wastes, and to determine the efficiency with which liquid Fertilizer generates major nutrients for vegetable production and its effect on some soil physical Properties. the increasing generation of municipal waste, with over 40% being organic, necessitating effective waste management alternatives. Composting was carried out using specific municipal wastes—cow dung, sewage sludge, rice straw, food waste, and green waste—to produce liquid fertilizer in four different formulations over a three-month period. The fertilizer was analyzed for nutrients composition and fertilizer quality. The result showed 20% cow dung, 40% sewage sludge, 20% food waste, 10% green waste, and 10% rice straw combination proving most effective, with 17.04% nitrogen, 140.9 ppm phosphorus, and 652.3 ppm potassium. This result shows that municipal wastes can be converted to a valuable liquid fertilizer which enhances plant growth. The liquid fertilizer, environmentally friendly and cost-effective, contributes carbonaceous matter to the soil, improving physical, chemical, and biological properties. The study underscores the importance of comprehensive analysis for quality and recycling, highlighting the organic acids' role in dissolving soil minerals and enhancing plant uptake. Additionally, it emphasizes the crucial role of liquid fertilizer in promoting soil microbial activity and long-term soil health.the research highlights the significance of liquid fertilizer from municipal wastes in fostering sustainable agriculture, providing insights into the benefits of organic elements for microbial decomposition. It stresses the need for a balanced approach in waste materials and recommends addressing challenges, such as equipment availability for NPK analysis and water scarcity for plants, to enhance the accuracy of fertilizer analysis and ensure successful implementation.
Authors : Patrick, D.O. and Ajagu, I.A.
Category : Open Access Volume (Issue) : 12(1) Date Uploaded : 24th September 2026