This episode of the Closing Market Report examines long-term consolidation trends within the U.S. agricultural sector. Henrique Monaco details findings from a farmdoc daily article on the U.S. nitrogen fertilizer industry, explaining that high concentration—with the top four companies controlling 70% of domestic ammonia production capacity—is the expected result of cost-based competition in a mature commodity market, rather than a reaction to recent geopolitical supply shocks. Agricultural economist Jim MacDonald expands on this theme by outlining parallel consolidation at the farm level. Utilizing a 2,000-acre threshold to ensure consistent tracking devoid of inflation-related distortion, MacDonald notes that large operations expanded their share of U.S. cropland from 15% in 1987 to 41% by 2017. Both experts underscore that economies of scale and cost efficiency remain the primary catalysts for industry consolidation, from input manufacturing to farm-level crop production.

- Henrique Monaco, farmdoc Researcher - University of Illinois  
- Jim MacDonald, Agricultural Economist - University of Maryland

farmdoc Daily Article 
https://farmdocdaily.illinois.edu/2026/05/consolidation-trends-in-the-us-nitrogen-fertilizer-industry.html