Mar 2025: 100% tariff
(oil/meal/peas) Aug 2025: +75.8% anti-dumping
(seed) Jan 2026: Carney-Xi relief
Key finding: Tariffed products (canola, peas) collapsed after March 2025, while
non-tariffed exports remained stable. By August 2025, tariffed exports were down 52% year-over-year
while non-tariffed products grew 15% — a gap of 67 percentage points.