Yes urea is used in fertilizer. Yes, the price is going up relative to May 13, 2024 (lowest in 5 years).

look at the chart in the article, then click 5Y on the bottom of the chart.

Click the + sign between the calendar and wrench icon

Type in "US Food inflation". It will overlay the "urea" price with the "US food inflation".

Yes, urea seems to be a leading indicator. It is nothing like in 2022, yet.