Also see: Corn

Disease Reports from the UNL Diagnostic Clinic

July 12, 2019
Phytophthora root and stem rot in soybeans and bacterial leaf streak and common rust in corn were among the most common diseases reported in the last two weeks by the UNL Plant and Pest Diagnostic Clinic.

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A flooded field
Figure 1. Crop fields in a large area of south central Nebraska were flooded this week after heavy rains, causing growers to rexamine their options for fields already late-planted or taken as prevented-planting. (Photos by Sarah SIvits)

Crop Impacts and Options After Mid-Season Flooding

July 12, 2019
Earlier this week south-central and central Nebraska were hit by heavy rains leading to flooding. Now farmers are asking: How long will the crop survive in standing water and what does this mean for the rest of the growing season?

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Bacterial stalk rot in corn

Diseases to Watch for in Flooded Crops

July 11, 2019
Producers, consultants, and agronomists should be alert to the potential for increased disease pressure in fields that experienced flooding in March or more recently. Here are some of the diseases you're most likely to see.

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Western corn rootworm beetle feeding on a leaf of corn

Western Corn Rootworm Beetles Emerging, Time to Scout

July 9, 2019
Western corn rootworm beetles began emerging in southeast and south central Nebraska and will feed on corn leaves until silks, their favored food, emerge. Beetles will emerge somewhat later in northeast and western Nebraska.

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Price adjustment graph for N in corn

Nutrient Management Suggestions for Corn Updated in EC117

July 9, 2019
The Nebraska Extension Circular, Nutrient Management Suggestions for Corn (EC117), has been updated to account for residual soil nitrate-N and provide an alternative for determining fertilizer-P rates.

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Map of the Corn Belt showing locations for the 2019 Corn Yield Forecasts
Map of the Corn Belt showing locations for the 2019 Corn Yield Forecasts

2019 Corn Yield Forecasts: Approach and Interpretation of Results

July 8, 2019
Agronomists address how the Corn Yield Forecast Center develops yield forecasts, what to expect during the growing season, and how to use the forecasts to inform farm decisions. Tables detailing soil types and crop management for each of the 41 locations are included.

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On flood-damged fields cover crops offer benefits as a soil cover and rebuilder as well as a source of forage.
On flood-damged fields cover crops offer benefits as a soil cover and rebuilder as well as a source of forage.

NRCS Recommendations for Growing Corn as a Cover Crop

June 28, 2019
Corn is considered a cover crop species in Nebraska and can be planted into prevented planting acres and can be grazed or harvested for forage. See these NRCS recommendations for meeting guidelines when using corn as a cover crop.

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Tamra Jackson-Ziems
Tamra Jackson-Ziems

June Podcast: Mid-Season Diseases in Corn and Soybean

June 27, 2019
Corn nematodes, bacterial leaf streak, and frogeye leafspot, oh my! Extension Plant Pathologist Tamra Jackson-Ziems returns to the Nebraska CropWatch Podcast with information on mid-season corn and soybean diseases.

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