Rafael Treviño went to Iowa to work in the corn fields and send home money for his family.
But what he says he encountered there makes it hard for him to ever go back.
Treviño was one of about 20 migrant farmworkers from South Texas who went to Iowa and detasseled corn fields in June 2009.
The task is rough and treacherous, requiring workers to pull the pollen-producing flowers, or tassel, from each plant by hand. The ritual helps farmers yield more ears of corn each season.
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