Abstract
Success of the fertigation techniques on drip irrigation which water and fertilizer are used together depends on fertilizer concentration, distrubition and transmission type to crop in time. Especially, consideration of the adverse effects of the climate changes on water supplies, fertilization with deficit irrigation regimes is more important for plant growth. In this study effects of F1 injection pump, F2 venturi injector and F3 pressure diversity fertigation techniques with I100, I70 and I50 irrigation treatments on tomato was determined. Results of the 2014 experiment year, the highest yield was obtained as 4875 kg da-1 in F1 injection pump and I100 full irrigation treatments. The highest seasonal evapotranspiration was obtained as 584.7 mm in F2 venturi injector and I100 full irrigation treatments while the highest irrigation amount was 397.7 mm on I100 full irrigation treatments.
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