FAIRFAX, Virginia, Aug. 30 -- The Irrigation Association issued the following news release: The Irrigation Association is pleased to announce that Alan Ence, QWEL, general manager of landscape and agriculture at Hydro-Rain, has been appointed to the IA Board of Directors. Ence has spent over 30 years in the irrigation industry, working in multiple areas including product development, business development and management. He is named on multiple U.S. patents for products in the field of irrigati  more