Extreme heat, flooding affects agriculture significantly


Via Flickr

Grace Smith | June 23, 2022

Agriculture, which is one of the most important aspects of Iowa and surrounding economies, is experiencing many challenges because of climate change and extreme temperatures including a negative impact on livestock and crops, as well as a decrease in revenue

The Iowa Department of Natural Resources said that climate extremes have a large negative impact on yield and livestock productivity in Iowa. In addition, the 2019 Iowa Climate Statement said confined livestock stuck in severe heat conditions are at a greater risk of death. Not only does this present itself as a problem in Iowa, but also in Kansas. On June 15, the heat killed over 2,000 cattle in Kansas, a portion of the Great Plains, which remains in a drought because of extremely high temperatures. Parts of Kansas hit up to 100 degrees Fahrenheit last week, which assisted in the deaths of the cattle. 

The heat is not the only thing affecting agricultural practices in Iowa. Flooding has caused issues including a loss in revenue for farmers. An IIHR-Hydroscience and Engineering study from the University of Iowa, which was published April 26, 2022, found that in a 2-year return period, or a span of time when an occurrence is likely to surface, cropland has a 50 percent chance of flooding in a given year. The study also said that annually, Iowa loses $230 million in seed crops because of farming in areas that are likely to flood. 

Members of the industry have adapted in many ways. Seed providers have altered hybrid corn and made it more tolerable to drought and heat. In addition, farmers have reacted to an increase in precipitation by utilizing quicker planters that can move across a field faster. But, without technological changes to combat climate change in the Midwest, productivity could decrease significantly.

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