As measured by the port of New Orleans Louisiana (NOLA), urea prices are up about US $70 per short ton since the New Year. Reasons include better than expected demand in India and abroad due to strong commodity prices, and disrupted supply, some logistical, some political and some linked to limited anticipatory planning to have larger scale production program in place for deferred shipping slots. Canadian retail prices are adjusting.
This can get fixed by summer but unlikely prior to the North American spring application time. I just completed a couple reports on this. Shoot me an email if would like more depth.