Skip to main content
Knowledge4Policy
Knowledge for policy

Supporting policy with scientific evidence

We mobilise people and resources to create, curate, make sense of and use knowledge to inform policymaking across Europe.

Why the Iran war should change how we think about fertilizer

  • Publication | 2026

Highlights:

  • The war in Iran has exposed a major vulnerability in global food production: half the world's crops depend on nitrogen fertilizer from natural gas and a third of fertilizer trade passes through a single chokepoint.
  • Restoring fertilizer supply is not enough – the world must reduce how much it requires in the first place.
  • Biochar can reduce synthetic fertilizer requirements by 20-40% but we need far more field trials to understand where it works and how to scale it.
Related reading
PUBLICATION | 29 May 2026
AMIS Market Monitor - No. 138 May 2026
Global markets faced renewed pressures in April as the effective closure of the Strait of Hormuz continued to disrupt fertilizer supply, pushing urea and phosphate prices higher and further...
Privacy statements, terms and conditions.
You will be directed to the EU Login website where you can login/register as a user. Once connected, your credentials (First name, last name, username, email) will be registered in Knowledge4policy as part of your profile, which will allow you to get involved in all Knowledge4policy communities (help is available).

You are about to navigate to an external website. Please note that we are not responsible for its content.