Corn

Also see: Corn
Silage or grain? When making the decision about harvesting corn, farmers should consider several factors.

Is Your Corn Worth More as Grain or Silage? August 29, 2017

Silage or grain? When making the decision about harvesting drought- and hail-damaged corn, farmers should consider several factors. Calculations here can help you determine the end value for both uses.

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Students conducting cover crop research
Students collecting data in cover crop plots at North Platte. (Photo taken on October 15, 2016)

Research Update on Cover Crops after Winter Wheat Harvest August 25, 2017

What was the effect on corn from cover crops planted after winter wheat and prior to corn in a fallow rotation using different planting dates and cover crop mixtures? In the first year of a three-year study in North Platte and Grant, researchers compared the effect of several systems on multiple variables and share findings and considerations for growers.

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Screen capture of irrigation scheduling system

View Corn Plots and 7 Demos of Irrigation Scheduling Equipment at Aug. 31 Tour August 25, 2017

View corn variety plots and demonstrations of seven irrigation scheduling systems at the Aug. 31 Hamilton County Corn Growers Tour. The seven systems have been monitoring the same field throughout the season, providing a unique opportunity for growers to compare how each system manages similar information.

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Bacterial leaf streak in corn
Figure 1. Bacterial leaf streak symptoms on corn are interveinal streaks that may appear tan, brown, or especially yellow when backlit by the sun.

Bacterial Leaf Streak of Corn August 25, 2017

Bacterial leaf streak was just confirmed in Nebraska in 2016, the first incidence in the US, but has now spread to 56 counties and is found in eight other states.Learn about factors contributing to its development and "host" plants, as well as management options.

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Nebraska Extension Educator Nathan Mueller on estimating corn yields.

Estimating Potential Corn Yield August 25, 2017

Interested in estimating your corn or soybean yields? Most of the components for corn yields—except seed weight—are set. Check out these Nebraska Extension videos and guides from Kansas and Iowa Extension for photos and how-to's on assessing your crop and estimating yield.

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Taking the corn stalk nitrate test in the field

Evaluating N Management with the Corn Stalk Nitrate Test August 23, 2017

When is this test best used? Often it may be well used to compare nitrogen uptake between two practices in corn.

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Gray leaf spot (left) and southern rust (right) in corn

Corn Disease Update: Are we out of the woods yet? August 18, 2017

As southern rust development slowed in some areas with recent cooler temperatures, gray leaf spot severity is now increasing and moving up corn plants to critical leaves for grain fill. Fungicides may be warranted for some GLS.

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Maps showing likelihood of yield deviations for rainfed corn at various sites.

2017 Corn Yield Forecasts as of Aug. 9 August 11, 2017

Corn yield forecasts for Nebraska sites indicate near-average to above average yields for most irrigated sites. There was much more yield variability for rainfed locations where three of the sites were forecast with a 50%-100% chance of below-normal yields and three were forecast for normal yields, while one was near average.

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