Jenny Rees - Extension Educator

Jenny Rees

faculty
Work
2345 Nebraska Ave York NE 68467-1104
US
Work 402-362-5508
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Twitter: @jenreesources
Blog: JenReesources Extension Blog

Probability of 2021 yield potential map

2021 Corn Yield Forecasts as of July 14

July 14, 2021
Although it is still too early to make strong inferences about end-of-season yields for irrigated corn, there is a relatively high probability for near-average yields for a majority of sites.

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Yield forecast network of sites across the upper midwest

2021 Corn Yield Forecasts: Approach and Interpretation of Results

June 30, 2021
The Yield Forecasting Center (YFC) will provide real-time information on corn phenology and forecasts of corn yield potential every three weeks, starting in mid-July, to aid growers and ag industry in making management, logistics and marketing decisions through the 2021 season.

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Hail damaged corn
Corn around V10-11 with leaves stripped due to hail damage. In this case, much of the corn will recover and look better in 10-14 days. Watch stalk bruising to see if stalk rot sets in. There are fields with hail damage at lower stalks with weakened plants that easily break. Soybeans at R1 (beginning flowering) reduced to sticks north of Stromsburg and in Hordville area. Soybeans with damage like this at the R1 stage can have the greatest yield loss in spite of seeing new buds regrowing with the warm weather. Another concern will be weed control going forward. (Photos by Jenny Rees)

Mid-Season Hail Damage Assessments in Corn and Soybeans

June 25, 2021
When severe storms and hail hit your corn and soybean fields, it's important to estimate yield losses to determine the need for future inputs and alternative management strategies. This guide offers steps to evaluate mid-season hail damage and estimate potential yield losses.

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ET gage
ETgage installed near soybean field.

ET Resources

June 24, 2021
Online resources for viewing evapotranspiration (ET) information and changes, which can be used alongside your crop's stage of growth to estimate crop water use.

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Interseeding tour brochure

Early Season Interseeded Cover Crop Driving Tour June 29, 2021

June 18, 2021
This free tour will provide an opportunity for individuals interested in interseeding cover crops to view interseeded corn and soybean fields at several locations across Nebraska.

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Nebraska sample field map

What Have We Learned about Soybean Seed Constituents in Irrigated and Dryland Producer Fields in Nebraska?

June 14, 2021
With a continuous decline in seed protein concentration in U.S. soybeans, UNL researchers examined how irrigation practices in Nebraska may contribute to this issue for soybean growers.

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Soybean emergence

Q/A: Questions about Soybean Emergence and Stands

May 27, 2021
There are many factors for producers with soybean emergence and stand issues to consider; this article reviews potential causes, identification techniques and management options.

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Homemade interseeder
Figure 1. In 2019 in York County (left), the grower built his own interseeder and tested a nitrogen mix (4 lb/ac crimson clover, 3 lb/ac red clover, 2 lb/ac yellow sweet clover, 4 lb/ac Winterhawk annual ryegrass, 1.5 lb/ac impact forage collards, 1.5 lb/ac Trophy rapeseed) vs. diversity mix (2 lb/ac red clover, 2.5 lb/ac Hubam white seed clover, 4 lb/ac Winterhawk annual ryegrass, 1 lb/ac purple top turnip, 3 lb/ac golden flax, 0.5 lb/ac phacelia Angelia, 0.5 lb/ac chicory) interseeded at V5-V6 corn vs. check treatment. Seward County (right), a Hagie was used to broadcast interseed 10 lb/ac red clover and 5 lb/ac buckwheat into V6 corn vs. check treatment.

Results from Interseeding Cover Crops into Corn or Soybean

May 12, 2021
A summary of the studies conducted via Nebraska On-Farm Research and Soybean Management Field Days on interseeding cover crops into living corn and soybean.

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