The corn has been genetically engineered to be immune to 2,4-D, an ingredient used in Agent Orange that some say could pose a serious threat to the environment and to human health. Approval by the United States Department of Agriculture and Environmental Protection Agency would allow farmers to spray it far and wide without damaging their crops, boosting profits for the agribusiness giant.
Dow and its allies have insisted that their product is well tested, while industry regulators have so far overlooked critics' concerns.
"This is going to be a solution that we are looking forward to bringing to farmers," Dow's Joe Vertin told Reuters.
More than 140 advocacy groups have participated in a letter writing campaign calling on U.S. Agriculture Secretary Tom Vilsack to reject Dow's regulatory application for the herbicide and herbicide-resistant crops, submitting more than 365,000 missives ahead of a public comment period that ends April 27.