Rick Koelsch

emeriti
Work Chase Hall (CHA) 200
Lincoln NE 68583-0726
US
Work 402-472-1413 On campus, dial 2-1413
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Faculty Bio

Planter with narrow seeder alongside narrow seeded wheat field
When preparing winter wheat fields for late-season seeding, one tactic producers should consider is narrow row spacing.

The Moves to Make for Late-seeded Winter Wheat

September 11, 2024
Late-seeded winter wheat can yield higher than early-seeded crops, partly due to reduced disease and insect issues. This article provides tips for increasing seeding success if weather or harvest has caused delays.

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Tractor disking field

Nebraska Field Experiments Investigate Biochar Impact to Soil Health and Crop Yields

September 10, 2024
UNL researchers are utilizing biochar and cover crops in environmentally sensitive Nebraska soils to identify the conditions under which biochar may benefit temperate regions. 

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Combine harvesting corn field
Historical crop progress data for Nebraska is available at USDA.

Crop Progress: Corn, Dry Bean Harvest Underway

September 10, 2024
Corn and dry bean harvest has begun in Nebraska, and winter wheat planting was at 7% as of Sept. 8.

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Combine harvests corn field as grain truck follows
Corn silage being cut at the University of Nebraska-Lincoln Panhandle Research Extension and Education Center plots on Aug. 30. (Photo by Chabella Guzman)

Panhandle Research, Extension and Education Center Cuts Corn Plots for Silage

September 10, 2024
Extension updates on harvest progress in the Panhandle as the irrigation season closes out.

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Tractor applies fertilizer to field
Farmers are invited to participate in a new UNL-Nebraska Soybean Board study to evaluate potassium fertilization impacts on crop yield. Participants will receive detailed reports and soil and grain quality results in exchange for their help.

Growers Sought for Potassium Study

September 9, 2024
Boost your yields and refine your practices: Join UNL's potassium fertilization study and gain valuable insights into your soil and crop performance.

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Man standing in field of corn and weeds
Kicking off the fall seminar series on Sept. 12, Amit Jhala will discuss the challenges of managing herbicide-resistant weeds through pollen-mediated gene flow — the process by which herbicide resistance genes are spread from plant to plant via pollen.

Agronomy and Horticulture Seminar Series Begins Sept. 12

September 4, 2024
Free to the public, the fall seminar series will highlight the latest research and technologies for herbicide-resistant weeds, crop genetics, sustainable agriculture, digital agriculture, the impact of droughts on public health, and more.

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Beet piles near production facility structures
The beet yard at Western Sugar in Scottsbluff, as 90-plus temperatures keep activity low on Sept. 3. (Photo by Chabella Guzman)

Sugar Beet Harvest Begins, But Water Still Necessary for Maturing Crops

September 4, 2024
Nebraska's sugar beet harvest had an early and promising start this year, with record-high sugar content so far.

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Field of mature corn
Historical crop progress data for Nebraska is available at USDA.

Crop Progress: Crops in Good Condition Despite Increased Dryness

September 3, 2024
Though drought has crept back into several regions of Nebraska, most crops and soil moisture levels are still in relatively good condition.

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