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Rincón Castillo, Álvaro; Álvarez de León, M.; Pardo Barbosa, O.; Amaya, M. A.; Díaz Giraldo, R. A. Estimating Chlorophyll Concentration and Its Relationship With Crude Protein Concentration in Three Species of Urochloa in the Piedemonte Llanero, Colombia. Trop. grassl.-Forrajes trop. 2019, 7, 533-537.