Díaz Poveda, Vanessa Catalina, and Siavosh Sadeghian. “Phosphorus Adsorption in Soils of the Colombian Coffee Zone”. Cenicafe Journal 69, no. 2 (December 1, 2018): 7–16. Accessed March 25, 2026. https://publicaciones.cenicafe.org/index.php/cenicafe/article/view/3288.