OICC Press Agricultural Marketing and Commercialization 2676-7570 3 1 2019 06 01 Effect of Holding Specialty Exhibition of Agriculture for Developing Modern Irrigation Systems 45 54 EN Journal Article 2019 06 01 The goal of the present research is studying the Effect of Holding Specialty Exhibition of Agriculture for Developing Modern Irrigation Systems. The statistical society of this research is all farmers attending agriculture exhibitions; in which, 127 persons were selected by a simple random method. The data collection tool was a questionnaire and in order to determine the validity of the questionnaire, it benefited from comments of faculty members and experts in promoting agriculture and irrigation. The Cronbach's alpha for the reliability of research tool is 0.895 and the results of research hypothesis show that there is a significant relationship between the development of modern irrigation systems as the dependent and independent variable and attending at specialty exhibition of agriculture, farming properties, effectiveness properties and level of familiarity with irrigation systems. Moreover, the independent variable described 47% changes in the dependent variable.