QORI HAFIZAH; HAMIDAH HANUM; DAMANIK, M. M. B. . Providing azolla and goat manure to increase nutrient N and growth of lowland rice (Oryza sativa L.). Jurnal Online Pertanian Tropik, [S. l.], v. 7, n. 1, p. 40–46, 2020. DOI: 10.32734/jopt.v7i1.3597. Disponível em: https://idjpcr.usu.ac.id/jpt/article/view/3597. Acesso em: 4 aug. 2025.