Knappe Düngemittel: Eine einfache Lösung haben die USA gefunden

"Do U.S. sanctions prohibit the exportation of fertilizer from, to, transiting, or related to Russia? No. The United States has not imposed sanctions on the exportation of fertilizer from, to, transiting, or involving Russia."
https://home.treasury.gov/system/files/126/russia_fact_sheet_20220714.pdf