Daniel Sumner
Economist and professor at UC Davis with experience as a former USDA assistant secretary for economics, providing expertise on agricultural markets and fertilizer impacts.
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Mar 27, 2026 • 11min
How the War in Iran Is Impacting Fertilizer Supplies, Food Prices
Daniel Sumner, an economist and UC Davis professor who once served as USDA assistant secretary, explains how restrictions at the Strait of Hormuz could ripple through fertilizer flows. He breaks down timing for California planting, how fertilizer and fuel costs affect farm decisions, and when consumers might feel price changes. Short, timely analysis of agriculture under geopolitical strain.
