irrigation frequencies and mulches on performance and water productivity functions of tomato crop. The experiment was composed of three irrigation frequencies {rainfed (RF); CPE50 and CPE25 where irrigation was given at 50 and 25 mm of cumulative pan evaporation (CPE)}, kept in the main plots. The subplots consisted of four mulch managements {no mulch (NM), rice straw mulch (RSM)