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 [Internet]. 2025 Mar. 25 [cited 2026 Jun. 4];2(3):5751-7. Available from: https://jicnusantara.com/index.php/jiic/article/view/2857