Experiments were conducted to evaluate the interactive effects of different nitrogen and irrigation levels in 2017 and 2018 (April–July) on greenhouse‐grown tomato considering irrigation water, growth, physiology and productivity parameters. A randomized block design with three replications and two factors, water (W 1 , 100% of the requirement; W 2 , 90%; W3, 70%) and nitrogen fertilizer (F 1 225 kg/ha, F 2 180 kg/ha), was est...