The Grimm Family Center for Organic Production and Research held the second annual field day on Aug. 8. More than 100 organic growers, pest control advisors, certified crop advisors and industry representatives attended and rotated through presentations on organic soil fertility and pest management. The final event of the field tour was a demonstration of an Ecorobotix automated weeder. provided by Grimmway Farms/Cal Organic. More information on the field day including handouts can be found at www.organic.calpoly.edu.