Baracaldo, Adriana del P., Manfreed C. Díaz, Víctor J. Flórez, and Carlos A. González. 2018. “Effect of decreasing total N and increasing NH4+ in the fertigation formula of carnation crop”. Revista Colombiana de Ciencias Hortícolas 12 (3):658-67. https://doi.org/10.17584/rcch.2018v12i3.8062.