Cunha, Rubens José Pietsch, and Henrique Paulo Haag. “ Mineral Nutrition of Papaya Tree (Carica Papaya L.): II - Boron Deficiency under Field and Greenhouse Conditions ”. Anais da Escola Superior de Agricultura Luiz de Queiroz 37, no. 1 (January 1, 1980): 291–302. Accessed February 9, 2026. https://revistas.usp.br/aesalq/article/view/16437.