Keywords
slow-release fertilizers, NPK (15-15-15), livestock waste, organic-mineral fertilizer, sustainable agriculture, nutrient release kinetics, granulation technology, soil fertility, circular economy, eco-friendly fertilizer production, renewable nutrient sources, waste valorization, agrochemical efficiency, controlled-release nutrients
Abstract
This study examines the production of slow-release NPK granules (15-15-15) utilizing
livestock waste as the primary resource. The development of environmentally friendly fertilizers is
essential to meet the growing demand for sustainable agriculture. The research evaluates the granule
formulation process, physicochemical properties, nutrient release dynamics, and agronomic efficiency.
Findings indicate that the utilization of livestock waste offers a renewable source of essential nutrients,
enhances nutrient release control, and mitigates environmental pollution. This approach demonstrates
significant potential for circular economy practices, enhanced soil fertility, and long-term agricultural
productivity.
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