Photos illustrating two points in rating system used to evaluate freeze damage to seedling corn. These show corn recovery from frost at V1-V2 growth stage in 2014 near Craig
Figure 1. Photos illustrating two points in rating system used to evaluate freeze damage to seedling corn. These show corn recovery from frost at V1-V2 growth stage in 2014 near Craig. (Photo by Roger Elmore)

Frozen, Emerged Corn?

May 10, 2019
Temperatures in some fields early Friday morning may have caused some to remember 2017 conditions and wonder about possible frost damage to corn seedlings. Here's how this year is different.

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Assessing Freeze Damage to Alfalfa

May 10, 2019
Did your alfalfa suffer freeze or frost damage this week? If you suspect more than frozen or wilting leaves, check the growing point of plants. All new leaves, stems, and branches initially develop from the growing point.

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A snowy field with grass
Figure 1. Snow and freezing temperatures in the Nebraska Panhandle this week are likely to cause some leaf burn in wheat, but are not expected to cause extensive crop damage. (Photo by Cody Creech)

Assessing Freeze Injury to Winter Wheat

May 2, 2019
With freezing temperatures in the Panhandle May 1-2, wheat injury may have occurred. This guide addresses injury potential at various growth stages, factors contributing to injury, and why it's important to delay assessment for several days afterward.

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Chart showing date of first snow of the season 1948-2018
Chart showing date of first snow of the season 1948-2018

Nebraska Weather: Variability is the Norm

October 19, 2018
With much of the state's corn and soybeans still not harvested, it seemed too early for snow, but really how unusual is an Oct. 14 snow? UNL Climatologist Ken Dewey takes a closer look at the variability of Nebraska's weather.

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How Freezing Temperatures Affect Forages

October 15, 2018
When plants freeze, changes occur in their metabolism and composition that can poison grazing livestock if not properly managed. Delayed grazing is often the best solution, but how long should grazing be delayed?

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Map of the Midwest showing average date ranges for first 28°F freeze. (Source: Midwest Regional Climate Center)
Figure 1. Map of the Midwest showing average date ranges for first 28°F freeze. (Source: Midwest Regional Climate Center)

Average First Freeze Dates for Nebraska

September 21, 2018
Statistics indicate that first freeze (28°F) trends for southeast Nebraska are changing, moving slightly later into the fall while those for northwest Nebraska, at the other end of the scale, are not changing. See average first freeze date ranges here.

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Table of freeze dates and average freeze dates for 2017
Table of freeze dates and average freeze dates for 2017

Growing Season Officially Over for Nebraska

October 31, 2017
On Oct. 28, the last of Nebraska's Mesonet weather stations recorded a hard freeze of 28°F, effectively bringing the state's growing season to an end. A table shows dates for 28°F and 32°F freezes as well as average dates for these thresholds for 63 sites.

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3-0-day temperature forecast from the National Weather Service Climate Prediction Center

Forecast of End-of-Season Weather and Freeze Risk

September 5, 2017
What's the likelihood you'll see a hard freeze prior to corn maturity? Check out the end-of-season forecast and a table showing risk of a hard freeze for various emergence dates and locations in Nebraska.

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