Optimization of the Process of Making Organic Fertilizer from Chicken Manure as a Source of Plant Nutrition by Determining the Value of Potential pH, Actual pH, Organic Material Content, and Lime Substance. JIIC. 2025;2(3):5751-5757. Accessed June 4, 2026. https://jicnusantara.com/index.php/jiic/article/view/2857