Also see: Corn

With Delayed Corn Planting, Is It Time To Switch Maturities?

May 9, 2019
Research suggests that staying with a full-season hybrid until late May often provides the best yield. If planting is delayed to late May or early June, consider a medium-season CRM might be considered.

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When estimating whether severely injured plants will survive, check the growing point. Healthy growing point is yellow/white and firm as is shown in this picture. Unhealthy growing point is discolored and soft to the touch.
When estimating whether severely injured plants will survive, check the growing point. Healthy growing point is yellow/white and firm as is shown in this picture. Unhealthy growing point is discolored and soft to the touch.

Replanting Corn: Things To Do and Think About

May 8, 2019
If the first signs of corn emergence (or lack of emergence in some field areas) are causing you concern, follow these steps for assessing the stand and evaluating whether replanting would be advisable.

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Corn seedling exhibiting disease symptoms

New CW Podcast on Corn Seedling Diseases

May 8, 2019
Michael Sindelar talks with Extension Plant Pathologist Tamra Jackson-Ziems about common corn seedling diseases, what to watch for in the field, and how to collect and submit quality samples for diagnosis.

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Planting Progress and Wheat Condition, May 5, 2019

May 7, 2019
Corn planting was at 35% as of May 5, up from just 16% the week before, reported the USDA National Agricultural Statistics Service (NASS). In soybeans, 14% was planted, compared to just 3% last week. Progress is similar to 2018, but lags the five-year average.

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Corn and Soybean Planting Near Last Year's Progress

April 29, 2019
As of Monday, April 29, corn planting at 16% was near last year, but behind average and soybean, at 3% was near last year and the average. Winter wheat condition was 68% good to excellent.

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Seed corn maggots
Seed corn maggots

Avoiding Injury from Seed Corn Maggot

April 26, 2019
A new pest management resource for the seed corn maggot predicts fly development based on accumulated growing degree days. A new map, updated daily, shows degree days at multiple sites.

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Graph showing irrigated corn yield departure from Trend-Line Yields and Corn Planting Progress by April 29 for 1985-2018 (excluding 1993 data) in Nebraska. From USDA-NASS survey data.

Windows of Opportunity for Corn Planting: Nebraska Data

April 24, 2019
Does early planting of corn necessarily result in higher yields? An examination of Nebraska research and data from USDA NASS sheds light on the question, indicating that, up to mid-May, other factors may affect final yield more than planting date.

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Graph of multiple Corn Belt studies looking at the optimum corn planting window

Windows of Opportunity for Corn Planting: Data from Across the Corn Belt

April 24, 2019
A survey of published research on corn planting dates in the central northern Corn Belt indicates there is a window from mid-April to mid-May when optimum yields can be achieved.

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