Rodríguez, S. J., Cibes, H. R., & González-Ibañez, J. (1977). Some Nutrient Deficiency Symptoms Displayed by Dracaena deremensis ’Warneckii’ under Greenhouse Conditions and Their Subsequent Effects on Leaf Nutrient Content. The Journal of Agriculture of the University of Puerto Rico, 61(4), 456–464. https://doi.org/10.46429/jaupr.v61i4.10409