Ontario Grain Farmer February 2021

6 ON THE COVER A lasting impact Rebecca Hannam TWO UNIVERSITY OF GUELPH RESEARCHERS RETIRE From the CEO’s desk IMPORTANT WORK 4 Insect resistance management Laura Ferrier 10 Asset or liability: soil fertility Michael Buttenham 12 Business side Conversations with business experts 25 GrainTALK newsletter An update on Grain Farmers of Ontario news and events 18 Phosphorus loss Matt McIntosh 14 Crop side Agronomic information from crop specialists 22 Legume cover crops Lois Harris 16 Weed resistance management Owen Roberts 20 Managing SDS Owen Roberts 24 Geonomics research Jeanine Moyer 26 Good in Every Grain Updates on our campaign 34 Water management Rebecca Shortt, Qin Xu, Kevin McKague, Ian McDonald 28 National recognition at Guelph Owen Roberts 32 FEBRUARY 2021 volume 12, number 5 ONTARIO GRAIN FARMER is published 10 times a year (January, February, March, April/May, June/July, August, September, October, November, and December) 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: Rachel Telford; Production Co-ordinator: Kim Ratz; Advertising Sales: Joanne Tichborne Look for these symbols for bonus content in our digital edition. Cover photo courtesy of University of Guelph and Henk Wichers.