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    Effects of different drip irrigation levels on yield and some agronomic characteristics of raised bed planted corn
    (Academic Journals, 2011) Bozkurt, Sefer; Yazar, Attila; Mansuroglu, Gulsum Sayilikan
    This study was carried out to determine the effects of different irrigation levels on water use, yield and some agronomic parameters of drip-irrigated corn under the Eastern Mediterranean climatic conditions in Turkey. In the trials, irrigation water was applied as I-20: 20%, I-40: 40%, I-60: 60%, I-80: 80%, I-100: 100% and I-120: 120% of evaporation from a Class A Pan. The seasonal total irrigation water ranged from 55 to 381 mm and seasonal crop water use varied from 365 to 584 mm in different treatments. Irrigation levels significantly affected yield and yield contributing parameters at P<0.01 level. The average corn grain yields varied from 1.93 to 10.4 t ha(-1). The highest grain yield and yield components were found in I-120 while the lowest were found in I-20 treatment. Irrigation levels had statistically significant effect on fresh and dry above ground biomass production of corn at P<0.01 level. The highest water use efficiency (1.77 kg m(-3)) value was found in I-120 treatment. Seasonal yield response factor (ky) was 1.98 in the experiment.
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    Öğe
    Effects of drip irrigation management and different soilless culture on yield and quality of tomato grown in a plastic house
    (2006) Sezen, S. Metin; Celikel, Gulendam; Yazar, Attila; Mendi, Yesim Yalcin; Sahinler, Suat; Tekin, Servet; Gencel, Burçin
    This study was carried out to determine the most suitable irrigation scheduling of fresh market tomato (Fantastic-144) grown on volcanic ash, peat and their mixture (1:1) under Plastic house conditions at Alata Horticultural Research Institute in the Mediterranean Region of Turkey in 1998. The quality and yield response of Fantastic-144 to trickle irrigation was also investigated. Four different irrigation levels (WL1 = 75%, WL2 = 100%, WL3 = 125% and WL4 = 150% of Class A Pan evaporation) and two irrigation frequencies (once and twice daily applications) were evaluated. Highest yield and fruit number were obtained from the ash+peat (1:1) with irrigation once a day at WL4 and ash+peat (1:1) with twice a day watering at WL3 and WL4 irrigation levels. Soluble solids of tomato fruit decreased with increasing available water. The highest WUE value of 67.5 kg m-3 was obtained from WL1 with peat+ash (1:1). WUE decreased in all treatments as the amount of irrigation water increased. © 2006 Asian Network for Scientific Information.