« All Events Global Fertilizer Day October 13 « CFS 50 International Day of Rural Women » Global Fertilizer Day is celebrated globally on 13 October to commemorate the Haber-Bosch patent on synthesis of ammonia from air in 1908 which laid the foundation of the modern fertilizers industry. + Google Calendar+ Add to iCalendar Details Date: October 13 Website: https://www.fertilizer.org/