Growth and production of upland rice (Oryza sativa L.) in ultisol using liquid organic fertilizer and NPK. J. Agron. Indonesia (Indonesian J. Agron.) [Internet]. 2023 Dec. 29 [cited 2025 Dec. 24];51(3):433-41. Available from: https://journal.ipb.ac.id/jurnalagronomi/article/view/47352