Corn

Also see: Corn

USDA: 72% of Nebraska Corn, 41% of Soybeans Planted May 14, 2018

Corn planting was 72% done, near last year's 74% and the five-year average of 70%; By Sunday, May 13, 26% had emerged, near 28% last year and the average of 25%, according to the USDA’s National Agricultural Statistics Service.

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Field photos of the three herbicide treatments tested.
Figure 1. Three herbicide treatments were applied to determine whether a pre-emergence herbicide affected the critical period of weed control. From left, the plots show: 1) Corn at V12 that had not received a pre-emergence herbicide; 2) corn at V12 that received an atrazine treatment; corn at V12 that received an Acuron treatment

Preemergence Herbicides Influence the Critical Period for Weed Removal in Roundup Ready Corn May 11, 2018

Researchers tested three preemergence herbicide strategies in Roundup-Ready Corn to identify how their application affected the critical period of weed control — the period when weed control is essential to avoid yield loss.

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42% of Nebraska's Corn, 16% of Soybeans in the Ground May 9, 2018

Corn planted was 42% done, near 46% for both last year and the five-year average, according to the USDA National Agricultural Statistics Service report for the week ending May 6. Two percent of the corn crop had emerged, behind 9% last year and the average of 10%.

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Soybean seedling with disease injury

Soilborne and Early Seedling Pathogens and Delayed Planting in Corn and Soybean May 3, 2018

Soilborne pathogens and early seedling diseases may be more frequent in corn and soybean this year due to cool weather conditions this spring and delayed planting.

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Corn & Soybean Planting Forges Ahead April 30, 2018

Seventeen percent of the state's corn had been planted by April 30, behind last year's 32% and the five-year average of 24%, according to the USDA’s National Agricultural Statistics Service crop report. Last week only 2% had been planted.

Soybean planting was 6% done, near last year's 7% and the average of 4%. Last week 1% had been planted.

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Cereal rye in corn stubble
Figure 1. Cereal rye planted as a cover crop in many fields is slow-growing this spring. Combining a cover crop termination and PRE application may be a valuable time-saver this year, if used correctly.

Q&A on Terminating Cereal Rye, Applying a PRE April 25, 2018

A grower asked: My cereal rye cover crop is only 3 to 5 inches tall going into planting season. Can I combine two field operations in one by applying glyphosate to terminate cereal rye and tank-mixing it with a residual herbicide for early season weed control?

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Figure 1. Seasonal ecology of wheat stem maggot (Allen 1933) overlaid on 2017 field issues. Arrows indicate likely source of infestation started with adult movement in the spring.
Figure 1. Seasonal ecology of wheat stem maggot (Allen 1933) overlaid on 2017 field issues. Arrows indicate likely source of infestation started with adult movement in the spring.

Wheat Stem Maggot Adult Monitoring: A Pest of Cover Crop-to-Corn Transitions April 25, 2018

This article looks at wheat stem maggots in cover crops-to-corn transitions, including their biology, risk for damage to early season corn, and what to look for this spring.

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Nebraska Corn and Soybean Planting Gets Started April 24, 2018

For the week ending April 22, the USDA National Agricultural Statistics Service reported corn planting in Nebraska at 2%, behind last year's 15% and the five-year average of 9%.

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