BAJAPAI, S. and CHAUHAN, S.V.S. (2014) “Effect of zinc, boron and manganese on yield in okra (Abelmoschus esculentus)*”, The Indian Journal of Agricultural Sciences, 71(5). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/39806 (Accessed: 27 October 2025).