ABRUÑA, F.; VICENTE-CHANDLER, J.; RODRÍGUEZ GARCÍA, J. A. Crop Response to Soil Acidity Factors in Ultisols and Oxisols in Puerto Rico. VIII. Yams. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 67, n. 4, p. 438–445, 1983. DOI: 10.46429/jaupr.v67i4.7738. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/7738. Acesso em: 26 may. 2022.