Brent Henderson harvests soybeans on his farm near Weona, Ark., in 2017. That crop showed symptoms of dicamba exposure. Henderson switched to Xtend soybeans the following year, he says, as "insurance" against future damage.
The Big Iron Farm Show draws thousands of farmers and farm equipment-makers to a fairground in West Fargo, N.D. For many this year, concerns about crop yields have been eclipsed by worries about President Trump's trade policies.
Farmer Terry Davidson walks through his soy fields in Harvard, Ill. Soybean prices have fallen this summer — a process that started even before the U.S. and China hit each other with tariffs in early July.
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An engineer shows a sample of biodiesel at an industrial complex in General Lagos, Santa Fe province, Argentina. The United States recently imposed duties on Argentine biodiesel, blocking it from the U.S. market.
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Soybeans are sprayed in Iowa in 2013. Enlist Duo is a mixture of two chemicals that farmers have used separately for many years: glyphosate (also known as Roundup) and 2,4-D. The new formulation is intended to work hand-in-hand with a new generation of corn and soybean seeds that are genetically engineered to tolerate sprays of both herbicides.
Sunlight streams into a corn storage building at a Michlig Grain storage facility in Sheffield, Illinois, U.S., on Oct. 31, 2014. The price of corn has been falling for months.
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