By Andi Anderson
A recent study by researchers from the University of Illinois Urbana-Champaign and the Illinois Soybean Association has revealed that a ban on glyphosate could create significant financial challenges for corn and soybean farmers in Illinois.
The study estimates that farmers could lose between $300 million and $609 million annually, representing a revenue decline of 1.8% to 3.6%. Researchers examined a realistic situation in which farmers replace glyphosate with alternative herbicides that are more expensive and slightly less effective. The analysis also considered the possibility of modest crop yield reductions.
According to the researchers, even a small drop in revenue could have serious consequences for farmers due to already tight profit margins.
“I don't know of any farmer who wants to take a revenue loss by any stretch of the imagination, and especially when we've got such tight margins right now,” said study co-author Aaron Hager, professor and faculty Extension specialist in the Department of Crop Sciences, part of the College of Agricultural, Consumer and Environmental Sciences at Illinois. “Profits have been projected to be negative again this year for a lot of Illinois farmers, many of which may be on the verge of not being able to survive.”
The research was initiated after proposals related to glyphosate restrictions were introduced during previous Illinois legislative sessions. With increasing public attention and legal cases involving glyphosate, researchers wanted to understand the potential economic effects of a possible ban.
“We actually discussed studying several different chemicals initially and landed on glyphosate,” said study co-author Corey Lacey, environmental policy manager at the Illinois Soybean Association. “We chose it because a glyphosate ban would probably have the biggest impact on farmers since it is one of the most used crop protection tools by corn and soybean farmers in Illinois. So a glyphosate ban is something that we really have to talk about and put some real numbers to.”
Sandy Dall’erba, founding director of CREATE and professor in the Department of Agricultural and Consumer Economics, led the economic analysis. The study measured current glyphosate use, estimated yield losses, and compared the costs and effectiveness of alternative weed-control products.
Researchers also noted that the study focused mainly on direct economic impacts. It did not include potential effects on public health, the environment, tax revenues, or the broader food supply chain.
The team highlighted that glyphosate plays an important role in conservation tillage practices. Without it, farmers may rely more on conventional tillage, leading to higher fuel use, increased production costs, and greater greenhouse gas emissions.
“What this work shows is that there can be significant financial consequences for something that looks fairly simple on paper,” Hager said.
The researchers believe their findings show that any decision regarding glyphosate use should carefully consider both agricultural and economic impacts.
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Categories: Illinois, Crops, Corn