Corn production in Sub-Saharan Africa has been volatile for decades but when technology and investment should have been making it less so, it has instead gotten worse. 

This year’s El Niño has helped make a bad situation worse. USAID’s Famine Early Warning System Network identified the problem many months ago when rainfall during December- February, the normally peak precipitation months, was underwhelming. The agency predicted “crisis level” food aid requirements in Zimbabwe, Malawi, Mozambique, and Madagascar. 

South Africa has had to import white corn for the first time since 2017, and Zambia’s corn crop was down by 50 percent and could require 1 MMT in imports. The situation could rev...