Jaenudin, Amran, Iman Sungkawa, Nengsih Nengsih, and Maryuliyanna Maryuliyanna. “Respon Pupuk Fosfat Dan Silika Terhadap Pertumbuhan Padi Hitam (Oryza Sativa L. Indica)”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 10, no. 3 (September 29, 2021): 274–282. Accessed November 26, 2025. https://jurnal.fp.unila.ac.id/index.php/JTP/article/view/4908.