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Farmers Urged to Manage Fire Risks During Iowa Harvest

Farmers Urged to Manage Fire Risks During Iowa Harvest


By Andi Anderson

This year’s Iowa corn harvest is ahead of schedule due to early planting and warm seasonal conditions, but the drier-than-normal crops are raising serious concerns about field fires.

Experts warn that high temperatures, coupled with wind, increase the risk of fires spreading quickly across fields.

According to Iowa State University Extension and Outreach agricultural engineer Kris Kohl, the biggest risk comes when dry corn leaves or residue contact hot surfaces on farm equipment.

Exhaust systems, overheated bearings, and engine compartments are common sources of ignition. Wind speeds also play a major role: under 15 miles per hour the risk of spread is low, 15–20 miles per hour presents medium risk, while speeds over 25 miles per hour make fires highly likely to spread.

To reduce risks, farmers are encouraged to clean equipment regularly using a leaf blower or compressed air to remove fine chaff. Having fire extinguishers on hand is also essential.

Kohl recommends keeping a small one in the combine cab for quick use and a larger one mounted at ground level for bigger blazes. Farmers should also be aware that truck exhausts parked in fields can ignite dry cornstalks.

“Any ignition source in combination with dry plant residue presents a potential hazard,” Kohl said.

If a fire breaks out, personal safety must take priority over property. Farmers are urged to know their 911 address and call immediately. If conditions allow, fires can be contained with extinguishers or by making a tillage pass to create a break in the field.

Kohl also advises farmers to avoid combining on days with strong winds and to stay vigilant about keeping equipment clean throughout the harvest season. With conditions as dry as they are, extra caution is essential to prevent devastating losses.

Photo Credit: gettyimages-dmaroscar

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Categories: Iowa, Harvesting

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