Boron affects the growth and ultrastructure of castor bean plants . Scientia Agricola, [S. l.], v. 65, n. 6, p. 659–664, 2008. DOI: 10.1590/S0103-90162008000600014. Disponível em: https://www.revistas.usp.br/sa/article/view/22410.. Acesso em: 15 jun. 2024.