This Video does not exist in your language, View in: English (en),
Or use Google Translate:  

Brent is an extension professor of International Horticulture at the University of Kentucky. He has worked for 33 years in small farm extension and research, 15 of which were in Bangladesh, Cambodia, Thailand, and Myanmar. He most recently worked as Agriculture Program Director with the NGO Proximity Designs in Myanmar from 2006-2012 to develop low cost and easy-to-manufacture drip irrigation systems.