Jenny Rees - Extension Educator

Jenny Rees

faculty
Work
2345 Nebraska Ave York NE 68467-1104
US

Twitter: @jenreesources
Blog: JenReesources Extension Blog

Map showing probability of deviation from normal yields for rainfed sits in Nebraska and Kansas

2019 Corn Yield Forecasts as of September 17

September 19, 2019
Forecasted end-of-season yields for rainfed corn across the Corn Belt indicate above-average yield at two-thirds of the sites, with yields well above historical averages in Nebraska, Kansas, and Missouri. See data for individual irrigated and rainfed sites.

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Hailed corn field
Figure 1. Severely hail-damaged corn field where the ears are the top-most part of the plant. Following severe hail damage, cover crops can offer a variety of benefits from using available nitrogen to aiding weed control. (Photos by Jenny Rees)

Cover Crop Considerations Following Late-Season Hail

August 29, 2019
Late-season hail has impacted fields across Nebraska. Growers may want to consider the value of cover crops for weed management, excess nitrogen uptake, and forage options.

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Map showing likelihood of yield deviation from the long-term average yield potential for irrigated corn sites in Nebraska and Kansas.

2019 Corn Yield Forecasts as of August 21

August 22, 2019
There is a high probability of near- or above-average yields at all but two of the 37 locations studied. Corn has reached dough stage at most locations, except for irrigated corn in western and north-central Nebraska, northern North Dakota and Minnesota, and the eastern fringe of the region (Indiana, Michigan, and Ohio).

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Suspected off-target dicamba injury to soybean. Cupped leaves are often indicative of dicamba injury. (Photos by Amit Jhala)
Figure 1. Suspected off-target dicamba injury to soybean. Cupped leaves are often indicative of dicamba injury. (Photos by Amit Jhala)

Dicamba Off-Target Injury Continues in 2019 in Nebraska

August 16, 2019
As the crop season progresses, questions about dicamba off-target injury in soybean, broadleaf crops, and trees are increasing in Nebraska. If you suspect off-target injury in one of your fields, here's a reminder of what to do.

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Figure 6. University of Nebraska-Lincoln winter wheat variety trial (25 entries/varieties) on July 16 in Washington County hosted by Hoegermeyer Farms, southwest of Herman. (Photo by Nathan Mueller)
Figure 6. University of Nebraska-Lincoln winter wheat variety trial (25 entries/varieties) on July 16 in Washington County hosted by Hoegermeyer Farms, southwest of Herman. (Photo by Nathan Mueller)

A Review of the 2018-19 Eastern Nebraska Winter Wheat Growing Season

August 15, 2019
Nebraska Extension educators review the wheat production season in eastern Nebraska and factors affecting it, from a rough start with cool, wet conditions to a good finish.

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Forecast yield deviations from normal for rainfed corn across the Corn Belt

2019 Corn Yield Forecasts as of July 31

August 2, 2019
This article summarizes the simulated crop stages and yield forecasts performed on July 31 for 37 locations across the US Corn Belt.

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Pollen on leaves and silks in spite of heat
Corn pollen on and near silks. For each kernel of grain to be produced, one silk needs to be fertilized by one pollen grain. Photo by Jenny Rees.

How Extended High Heat Disrupts Corn Pollination

July 19, 2019
A lot of factors can affect corn pollination success, including recent and predicted high heat and high humidity. This explains how environmental conditions influence the pollination process and how a cool down later this weekend may be helpful.

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Growth stages of corn at rainfed sites in monitored by Corn Yield Forecast Center

2019 Corn Yield Forecasts as of July 15

July 19, 2019
Corn is still in vegetative stages across much of the Corn Belt. At this point, delayed planting doesn't appear to have affected yields at irrigated sites. Yields for rainfed sites vary considerably, with those on the western edge trending above normal.

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