Ontario Grain Farmer Magazine is the flagship publication of Grain Farmers of Ontario and a source of information for our province’s grain farmers.

Grain Farmers of Ontario

The terrible two

Snow mould and stripe (yellow) rust are a double disease challenge

March 2026 - Winter has been long, cold, and snowy. As spring arrives, how will you respond to protect your winter wheat crop? Snow mould and stripe (yellow) rust are caused by different fungal pathogens, but they share…

Dealing with corn’s most persistent pest

Keeping corn rootworm in check

March 2026 - Livestock-dense counties, including Huron, Perth, Middlesex, and Oxford, are among those dealing with the heaviest corn rootworm infestation. Dr. Jocelyn Smith has a favourite insect, and it’s one Ontario corn growers love to hate. As…
Rethinking the rules

From fertilizer economics to maturity group selection, fresh data is refining best practices for soybean production

March 2026 - New Ontario trials are refining fertilizer rates, maturity group selection and sulphur use—highlighting where small management shifts can protect yield and improve returns. From optimizing fertilizers to cropping practices, there are many long-held standards for…
Cover crops before corn

Studies recommend their use before corn…but select wisely

March 2026 - Besides providing N benefits, researchers also found that harvesting a cover crop for forage only slightly reduces corn yield the next year. Ontario corn producers interested in cover crops’ nitrogen benefits can take heart: Research…

The Latest Issue

February 2026
Research and Innovation

From the CEO’s desk

A MESSAGE FROM CROSBY DEVITT, CEO, GRAIN FARMERS OF ONTARIO.

Cropside

AGRONOMIC INFORMATION FROM CROP SPECIALISTS.

Business Side

CONVERSATIONS WITH BUSINESS EXPERTS.

Field Observations

An update on what’s happening in the field

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