6 ON THE COVER Turning the friendly skies green Owen Roberts THE FUTURE OF BIOFUEL IN AVIATION From the CEO’s desk MAKE YOUR VOICE HEARD 4 Reducing compaction Treena Hein 10 Getting the most from your nitrogen Matt McIntosh 12 Business side Conversations with business experts 14 GrainTALK newsletter An update on Grain Farmers of Ontario news and events 16 Gathering data in Ausable Bayfield Matt McIntosh 15 Crop side Agronomic information from crop specialists 27 4Rs in Ontario Michael Buttenham 18 Early and late season planting Lois Harris 20 Managing waterhemp Jeanine Moyer 22 Oats to oatmeal Laura Ferrier 24 Writing Canada’s sustainability story Melanie Epp 28 Good in Every Grain Updates on our campaign 30 APRIL/MAY volume 13, number 7 ONTARIO GRAIN FARMERis published 9 times a year (December/January, February, March, April/May, June/July, August, September, October, and November) through Grain Farmers of Ontario. Distribution is to all Ontario barley, corn, oat, soybean, and wheat farmer-members. Associate Membership Subscription available upon request. Views and opinions expressed in this magazine are those of the authors and do not necessarily represent the policies of Grain Farmers of Ontario. Seek professional advice before undertaking any recommendations or suggestions presented in this magazine. PUBLICATIONS MAIL AGREEMENT NO. 40065283. Return undeliverable items to Grain Farmers of Ontario, 679 Southgate Drive, Guelph, ON N1G 4S2. © Grain Farmers of Ontario all rights reserved. Publisher: Grain Farmers of Ontario, Phone: 1-800-265-0550, Website: www.gfo.ca; Managing Editor: Mary Feldskov; Production Co-ordinator: Kim Ratz; Advertising Sales: Joanne Tichborne Look for these symbols for bonus content in our digital edition.