Sources: http://usda.mannlib.cornell.edu/usda/current/VegeSumm/VegeSu... https://www.nass.usda.gov/Newsroom/2018/06-29-2018.php
At the 75% coverage level the government pays 55% and the farmer pays 45%. Lower coverage levels get a higher subsidy.
But really it’s a smorgasbord of options.
https://www.ers.usda.gov/topics/crops/fruit-tree-nuts/policy...
https://www.pcrm.org/health/reports/agriculture-and-health-p...
> Between 1995 and 2009, USDA distributed more than $246 billion ($246,000,000,000) in subsidies. The subsidy system, updated approximately every five years, provides financial support primarily to producers of “commodity crops,” which include more than a dozen nonperishable crops. However, five commodity crops—corn, wheat, soybeans, cotton, and rice—receive the vast majority of subsidies.
Maize is an annual grass in the family Gramineae, which includes such plants as wheat, rye, barley, rice, sorghum, and sugarcane.