Also see: Corn
corn ear showing tip back

Weather Impacts to Pollination and Kernel Fill in 2020

August 13, 2020
For this year having what seemed to be good pollination weather, some are surprised regarding how much tip back we’re seeing. It’s important to count kernels long as there may be more kernels than one realizes in spite of tip back occurring.

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farmer in corn field

Towards 4Rs Nutrient Stewardship Concept: An Illustration of N Rate and Timing for Optimizing Corn Yield and Profits

August 11, 2020
The 4Rs is a nutrient management and water stewardship approach which emphasizes fertilizer use with the right source, right rate, right time, and right placement of fertilizers.

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USDA Crop Progress Report, Aug. 10

August 10, 2020
Corn condition is rated 78% good to excellent, 67% dough stage and 14% dented, well ahead of last year and the average. Soybean condition is rated 81% good to excellent and 81% are setting pods, also ahead of average. Sorghum and dry edible beans continue to progress ahead of this time last year as well, according to the USDA's National Agricultural Statistics Service.

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chart showing probably corn yield prediction

2020 Corn Yield Forecasts as of August 4

August 6, 2020
Similarly to our previous forecast, there is a high probability of near-average yields for the majority of the irrigated sites. For rainfed corn, the scenario is diverse across regions.

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Nebraska Crop Progress Report for Aug. 3

August 5, 2020
Corn is progressing ahead of average and rated 77% good to excellent, with 43% dough and 6% dented. Soybean is progressing ahead of average and rated 79% good to excellent, with 95% blooming and 64% setting pods. Wheat is 96% harvested, and dry edible beans are 73% blooming and 38% setting pods, according to the USDA's National Agricultural Statistics Service.

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Crop Progress Report for July 27

July 27, 2020
Corn is rated 75% good to excellent and progressing ahead of the five-year average. Soybean is rated 80% good to excellent and also progressing ahead of the five-year average, according to the USDA's National Agricultural Statistics Service. The winter wheat harvest is nearly complete (93%) and dry edible beans are progressing ahead of the previous year.

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Spider mite damage to soybean leaves.
Spider mite damage to soybean leaves.

Identifying Spider Mite Damage and the Species Responsible

July 22, 2020
We are starting to get more reports of spider mites damaging corn and soybeans in Nebraska. Because many other things can cause similar discoloration, it is important to check leaves closely to make sure mites are actually causing the damage.

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Figure 1. Twospotted spider mites on a leaf and in a web. Often spider mites may be almost imperceptible on a leaf, but before more visible against their silk-like webs. (Photos by Jim Kalisch)
Figure 1. Twospotted spider mites. Almost microscopic in size, the spider mites may be imperceptible on a leaf, but become more visible against its silk-like webs. (Photos by Jim Kalisch)

Managing Spider Mites in Corn and Soybean

July 22, 2020
Recommendations for managing spider mites in corn and soybean, including treatment thresholds, insecticides as well as discussions on the potential impact of beneficial insects, diseases, and insecticide applications.

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