NITROGEN AND POTASSIUM NUTRITION DIFFERENTIALLY AFFECT TOMATO BIOMASS AND GROWTH Article San-Martín-Hernández C., Trejo-Téllez L.I., Gómez-Merino F.C., Volke-Haller V.H., Escalante-Estrada J.A., Sánchez-García P., Saucedo-Veloz C. Interciencia. Vol. 41. 2016. P. 60-66