“VARIATIONS IN THE FOLIAR AREA AND CONCENTRATIONS OF CHLOROPHYLLS AND ESSENTIAL NUTRIENTS IN LEAVES OF ROBUSTA COFEE (Coffea Canephora P.) DURING AN ANNUAL CYCLE”. Agro Productividad 11, no. 4 (May 31, 2018). Accessed June 10, 2026. https://revista-agroproductividad.org/index.php/agroproductividad/article/view/266.