Application Two Different Calcium on Sweet Corn Growth (Zea mays saccharata Strutt.) in Ultisol. Jurnal Online Pertanian Tropik, [S. l.], v. 8, n. 2, p. 129–134, 2022. DOI: 10.32734/jopt.v8i2.8074. Disponível em: https://talenta.usu.ac.id/jpt/article/view/8074. Acesso em: 23 aug. 2025.