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Abruña F, Rodríguez J, Silva S. Crop Response to Soil Acidity Factors in Ultisols and Oxisols in Puerto Rico. VI. Grain Sorghum. JAUPR [Internet]. 1983 Jan. 1 [cited 2024 Mar. 28];67(1):28-3. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/7688