LUMBANTOBING, Ester LN; HAZRA, Fahrizal; ANAS, Iswandi. UJI EFEKTIVITAS BIO-ORGANIC FERTILIZER (PUPUK ORGANIK HAYATI) DALAM MENSUBSTITUSI KEBUTUHAN PUPUK ANORGANIK PADA TANAMAN SWEET SORGHUM [SORGHUM BICOLOR (L.) MOENCH]. Jurnal Ilmu Tanah dan Lingkungan, [S. l.], v. 10, n. 2, p. 72–76, 2008. DOI: 10.29244/jitl.10.2.72-76. Disponível em: https://journal.ipb.ac.id/jtanah/article/view/16575. Acesso em: 27 mar. 2026.