USING DRIP IRRIGATION FOR PRODUCING TOMATO UNDER DIFFERENT IRRIGATION WATER LEVELS IN SANDY SOILS

Document Type : Original Article

Author

Agric. Eng. Dept., Fac. of Agric., Mansoura Univ.

Abstract

Field experiments were carried out in the environmental conditions of Dakahleya governorate. The effect of irrigation levels (100%, 85% and 70% of ETcrop), fertilization methods (traditional and fertigation) and drip irrigation systems (surface and subsurface) on tomato were investigated in this study.
The main aims of this study are:
-      Study the effect of irrigation system and amount of irrigation water on total yield.
-      Effect of using fertigation system.
-      Effect of studying factor on emitter clogging.
The results show that:
-      Irrigation level has strong effect on yield.
-      The highest yield (5411 kg/fed) obtained with treatment L1F2D2 (irrigation with 100% ETcrop with fertigation method under using subsurface drip irrigation system).
-      Maximum water use efficiency (4.96 kg/m3) obtained with treatment L3F2D2 (irrigation with 70% ETcrop with fertigation method under using subsurface drip irrigation system).