Zuraiqi, S. and Battikhi, A. 1992. THE EFFECT OF FREQUENCY OF NITROGEN APPLICATION ON GROWTH YIELD AND QUALITY OF TOMATO GROWN UNDER PLASTIC-HOUSES. Emirates Journal of Food and Agriculture. 4, 1 (Jan. 1992), 1–13. DOI:https://doi.org/10.9755/ejfa.v4i1.5092.