ECHER, Fábio Rafael; CRESTE, José Eduardo. Boron fertilization on sweet potato: effect of sources, rates and application form. Semina: Ciências Agrárias, [S. l.], v. 32, n. 4Sup1, p. 1831–1836, 2011. DOI: 10.5433/1679-0359.2011v32n4Sup1p1831. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/5195. Acesso em: 5 dec. 2025.