Also see: Corn
Seven teams of youth, shown here, participated in the 6th Annual Crop Scouting Competition. The top two teams, Colfax County 4-H and Kornhusker Kids 4-H Club Team #1, will represent Nebraska at the Regional program in Iowa on August. 26. (Photos by Brandy VanDeWalle
Figure 1. Seven teams of youth participated in the 6th Annual Crop Scouting Competition. The top two teams, Colfax County 4-H and Kornhusker Kids 4-H Club #1 team, will represent Nebraska at the Regional program in Iowa on August. 26. (Photos by Brandy VanDeWalle)

Youth Crop Scouting Event Tests Valuable Skills

July 31, 2019
Seven teams from across Nebraska participated in the sixth annual Crop Scouting Competition for Nebraska Youth, testing their skills scouting corn and soybean. The top two teams will represent Nebraska at the regional competition in Iowa in August.

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Figure 1. Research in northeast Nebraska indicates that adding alfalfa to a corn-soybean rotation can reduce nitrate in the aquifer while increasing profit.

Adding Alfalfa to Corn-Soybean Rotation can Increase Profit, Reduce Nitrate Leaching

July 31, 2019
University research shows that adding alfalfa into corn-soybean rotations can help reduce the loss of nitrate to and increase the extraction of nitrate from aquifers while improving profitability.

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Southern rust on a corn leaf

Southern Rust of Corn Confirmed in Southeast Nebraska

July 25, 2019
Southern corn rust was confirmed on corn leaf samples from Fillmore and Nuckolls counties in southern Nebraska this week. The disease is currently at very low incidence in the fields where it was identified, but can lead to significant yield loss in susceptible hybrids.

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A mature wheat field in eastern Nebraska.
Figure 1. A wheat field about ready to harvest and, in the background, a corn field in eastern Nebraska. (Photo by Paul Jasa)

Crop Condition Improves Slightly; Progress Still Behind

July 22, 2019
Crop condition improved slightly for corn and soybean, while crop progress continued to lag previous years in all categories for the week ending July 21. Wheat harvest was 33% complete, well behind the five-year average of 76%.

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Pollen on leaves and silks in spite of heat
Corn pollen on and near silks. For each kernel of grain to be produced, one silk needs to be fertilized by one pollen grain. Photo by Jenny Rees.

How Extended High Heat Disrupts Corn Pollination

July 19, 2019
A lot of factors can affect corn pollination success, including recent and predicted high heat and high humidity. This explains how environmental conditions influence the pollination process and how a cool down later this weekend may be helpful.

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Growth stages of corn at rainfed sites in monitored by Corn Yield Forecast Center

2019 Corn Yield Forecasts as of July 15

July 19, 2019
Corn is still in vegetative stages across much of the Corn Belt. At this point, delayed planting doesn't appear to have affected yields at irrigated sites. Yields for rainfed sites vary considerably, with those on the western edge trending above normal.

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Forecasted Corn Yields as of July 15, 2019

July 19, 2019

Table 1. Data from simulations of 2019 end-of-season corn yield potential and real-time crop stage performed on July 15. (Full story at https://cropwatch.unl.edu/2019/2019-corn-yield-forecasts-july-15).

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Corn rootworm beetle

Impact of Planting Dates on Corn and Soybean Insects

July 18, 2019
The wide range in corn and soybean planting dates in Nebraska this year may affect the distribution and behavior of pest insects both this year and next year. Be alert to a possible shift and scout regularly to identify problem fields.

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