Irrigation amount significantly affects the crop growth, yield
and irrigation water productivity. Water consumption for tomato
plant is estimated at 0.5–0.9m3/m2 per year (Papadopoulos, 1991).
Another study conducted by Soria and Cuartero (1998) revealed
that water consumption of a tomato plant ranges from 0.19 to
1.03 L/d at different water salinities. Increasing the irrigation rate
up to 120% of pan evaporation increases crop yield, but decreases
total soluble solids (Tu˝ zel et al., 1994).Dripirrigationat 75%of reference
evapotranspiration has themaximumcrop yield and irrigation
water productivity (Harmanto et al., 2005).