BAJAPAI, SHRUTI; CHAUHAN, S V S. Effect of zinc, boron and manganese on yield in okra (Abelmoschus esculentus)*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 71, n. 5, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/39806. Acesso em: 27 oct. 2025.