SANDOVAL-VILLA, Manuel. Foliar sprays of calcium and silicon on incidence of downy mildew disease in lettuce. REVISTA TERRA LATINOAMERICANA, [S. l.], v. 24, n. 1, p. 91, 2006. Disponível em: https://terralatinoamericana.org.mx/index.php/terra/article/view/1534. Acesso em: 16 jul. 2024.