Here's what happened at the beginning of the season, in June, when the green onions came out. The price of greenhouse-grown and transplant green onions was set based on a certain cost. The harvest cost alone was less than what the grocery chains offered to pay, and that doesn't include the production inputs at the field level. Growers couldn't even harvest the crop. They left it in the field.
Evidence of meeting #47 for Agriculture and Agri-Food in the 44th Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was suppliers.
A recording is available from Parliament.