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Study Finds Sweet Corn Yields Drop with Extreme Heat

A study published by University of Illinois researchers found that sweet corn yields drop significantly in rainfed fields as a result of extreme heat during flowering. With 20 to 30 more days of extreme heat predicted per summer by mid-century in the Midwest, researchers predict that growing sweet corn is likely to become much more difficult. “The reality is that producing sweet corn, one of the most popular vegetable crops in the U.S., will be more difficult in the future. We need to develop new approaches and technologies to help crops adapt to climate change,” says lead study author Daljeet Dhaliwal.

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How American Farmers Harvest 1.15 Billion Pounds of Sunflowers

Video: How American Farmers Harvest 1.15 Billion Pounds of Sunflowers

Across the open plains of North Dakota and South Dakota, sunflower fields turn the American landscape into a sea of gold. In this farming documentary, we go inside modern sunflower farming to see how farmers plant, grow, harvest, clean, dry, process, and transform sunflower seeds into valuable products used every day.

In 2024, American farmers harvested about 1.15 billion pounds of sunflowers. This video follows the full journey from warm spring planting to combine harvesting, seed cleaning, storage, oil extraction, refining, roasting, packaging, and animal feed production.

You will see how sunflower seeds are processed into cooking oil, roasted snacks, bakery ingredients, birdseed, livestock feed, and useful byproducts. From golden fields to modern processing plants, this is the story of how a beautiful flower becomes one of America’s important oilseed crops.

Watch until the end to discover how sunflower farming connects farmers, machines, factories, food production, and sustainable agriculture.