Performance Study of Emitter Materials Types on Cucumber Cultivers Under Drip Irrigation System

摘要

The experiment was carried out in one of the greenhouses in the Research station, Kirkuk University in 2017-2018 to evaluate and comparative two types of emitters GR and Turbo with two types of Cucumber Bark and Ameer, and there effective on indicators of quality irrigation operation, vegetative growth and the yield for the plant. The emitter indicators were analyzed by using T-test to compare emitters. There were no significant differences in all the indicators except the field emission uniformity and the absolute field emission uniformity, where the GR emitter with the Bark cultivar was 93% and 89% in uniformity of distribution, and absolute distribution uniformity was 92.8% and 90%, respectively, for two emitters. The GR emitter was higher on Turbo emitter with Ameer cultivar where 90.13% and 86.5% in the field emission uniformity and the absolute field emission uniformity was 90.87% and 88.5% respectively for two emitters. In order to determine the effect of this on plant characteristics, the data were analyzed using the RCBD. The results showed that GR was superior to Bark in vegetative characteristics of plant length and number of leaves. The highest values were 140.71 cm and 24.84 leaves plant-1 respectively, and the yield characteristics of the total number of fruits and total yield, achieved the highest values were 23.07 fruit plant-1 and 16.42 ton ha-1, respectively. While the turbo recorded with the Ameer the lowest values of vegetative growth characteristics was 112.70 cm and 19.53 leaves plant-1 respectively, and in the characteristics of the yield was 18.80 fruit plant-1 and 13.08 tons ha-1, respectively.