There are no sanctions on Russian fertilizers. Europe's fertilizer production is down due to high natural gas prices (I wonder what happened) and import from Russia is up.
...
A third of EU imports of urea, the cheapest form of nitrogen-based fertiliser, come from Russia, with the amount imported in 2023 close to record levels, Eurostat data shows. Poland’s imports of Russian urea climbed to almost $120mn in 2023, up from just over $84mn in 2021, for example, according to customs data.
...
Other big players are leaving the market. BASF, the world’s largest chemicals group, has shrunk its operations in Europe over the past few years, including its fertiliser business, and instead focused new investments in the US and China, where costs are lower." [0]
[0] https://archive.is/20240630042149/https://www.ft.com/content...