EffendiArman, Gusmawartati, and Rosnia. 2023. “Growth and Production of Upland Rice (Oryza Sativa L.) in Ultisol Using Liquid Organic Fertilizer and NPK”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 51 (3), 433-41. https://doi.org/10.24831/jai.v51i3.47352.