Mahdalena, Siti Mutmainah, Yenni Manurung. Pengaruh Pemberian Pupuk UREA dan Pupuk Kotoran Sapi Terhadap Pertumbuhan Bibit Tanaman Kelapa Sawit (Elaeis guineensis Jacq): Effect of UREA Fertilizer and Cow Manure on the Growth of Oil Palm Seeds (Elaeis guneensis Jacq). agri. j. ilmu. pertan. [Internet]. 2022 Dec. 30 [cited 2026 Apr. 25];11(2):107-10. Available from: https://ojs.uwgms.ac.id/index.php/agrifarm/article/view/1873