Figure 2. Annual ryegrass and crimson clover seedlings under corn canopy at research site.

How do cover crops impact nitrous oxide emissions?

OMAFRA Field Crop Report for the week of August 19

Cover crops help build soil carbon, reduce erosion, and can offset crop nitrogen fertilizer requirements. But when it comes to nitrous oxide (N2O) – a greenhouse gas that contributes about half the total warming effect from agriculture in Canada1 – there is a question mark surrounding their benefit. What the research says The primary driver of […] Read more





Seedling waterhemp at the 2 to10 leaf stage in 6 leaf corn. Control must be prioritized since herbicide effectiveness will be reduced as this weed gets bigger.

Crop Report: The good, the bad and the difficult

OMAFRA Field Crop Report for the week of June 20

Crop growth and conditions continue to be variable across the province. While crops look good in areas that were able to be planted either early or as per normal and into decent soil conditions, other areas have been delayed significantly by continued rainfall. Understandably, this has been a difficult time for those growers. There is […] Read more


A seeding unit sits parked in a field north of Winnipeg, Man., due to wet field conditions on June, 6, 2024.  Photo: Greg Berg

Manitoba seeding nears completion: report

Manitoba farmers made good seeding progress in early June despite wet conditions, with 92 per cent of intended acres in the ground – up nine points from the previous week, according to the latest provincial crop report for the week ended June 11. Spring cereals, peas, and grain corn were approximately 97 per cent complete. […] Read more

Photo: Allan Dawson/File

Seeding very close to wrapping up in Alberta

Spring planting in Alberta has almost wrapped up for this year, with the agriculture ministry pegging it at 97 per cent complete province-wide as of June 4. Seeding advanced 20 points on the week with the pace at the five-year average. The greatest overall progress was made in northeastern, northwestern and central Alberta. The northeast […] Read more