Dr. Ping He visited Purdue University and attended a PhD defense

Dr. Ping He was invited by Dr. Tony VYN from Purdue University to participate PhD student's thesis defense as the Committee Members from Sept 9 to 15, 2012. During the week, Dr. He had the chance to make a presentation entitled "Nutrient management for maize system in North China" to the staff and students, visited maize and soybean field experimental plots in the experimental station. Dr. Ping He also visited Dr. Scott Murrell and discussed the Global Maize Project database. This visit helps further cooperation with Purdue University on nutrient management.