GONTIJO, Roger Alexandre Nogueira; GUIMARÃES, Rubens José; CARVALHO, Janice Guedes de. Growth and nutrient leaf level in coffee plant (Coffea arabica L.), from isolated and simultaneous omission of Ca, B, Cu E Zn. Coffee Science - ISSN 1984-3909, [S. l.], v. 3, n. 2, p. 124–132, 2008. Disponível em: https://coffeescience2.ufla.br/index.php/Coffeescience/article/view/83. Acesso em: 21 oct. 2026.