1.
Abruña F, Vicente-Chandler J. Effects of Six Sources of Nitrogen on Yields, Soil Acidity, and Leaf Composition of Coffee. JAUPR [Internet]. 1963 Jan. 1 [cited 2024 Dec. 22];47(1):41-6. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/12933