Tasistro, Armando, Robertony Camas-Gómez, and Ivan Ortiz-Monasterio. “Gypsum and Potassium Application to Acid Soils for Maize (Zea Mays L.) Production in La Frailesca, Chiapas, Mexico”. Agronomía Mesoamericana 33, no. 1 (November 25, 2021): 46173. Accessed December 18, 2024. https://revistas.ucr.ac.cr/index.php/agromeso/article/view/46173.