Simanjuntak, Maretta Indah Sari, and Cicik Suriani. “Pengaruh Pemberian Pupuk Urea Dan Pupuk Organik Cair (POC) Batang Pisang Terhadap Pertumbuhan Dan Hasil Tanaman Pakcoy (Brassica Rapa L.)”. Biocaster : Jurnal Kajian Biologi 6, no. 1 (January 31, 2026): 648–658. Accessed February 14, 2026. https://e-journal.lp3kamandanu.com/index.php/biocaster/article/view/1050.