Tanggap Pertumbuhan dan Perkembangan Jagung Ketan terhadap Pemberian Amelioran dan Pupuk NPK pada Tanah Ultisol . Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy), [S. l.], v. 49, n. 1, p. 29–36, 2021. DOI: 10.24831/jai.v49i1.34284. Disponível em: https://journal.ipb.ac.id/jurnalagronomi/article/view/34284. Acesso em: 25 dec. 2025.