Vinay-Vadillo, J. C., Enriquez-Quiroz, J. F., Montero-Lagunes, . M., Herrera-Sotero, . M. Y., Mendoza-Pedroza, S. I., & Bolaños-Aguilar, E. D. (2021). Critical Nitrogen and Nutritive Index in Cultivars of Cenchrus purpureus (Schumach) Morrone. Agro Productividad, 13(12). https://doi.org/10.32854/agrop.v13i12.1903 (Original work published 4 de enero de 2021)