Ruiz, Yari, Guillermo Villacrés, and Carlos Valarezo-Beltrón. “Chemical Fertilization Programs on Promissory Rice Lines (Oryza Sativa L.)”. Killkana Técnica 3, no. 3 (December 3, 2019). Accessed November 14, 2026. https://killkana.ucacue.edu.ec/index.php/killkana_tecnico/article/view/574.