Soybean

Example of stunting and yellowing in soybeans
Figure 1. SCN does not often cause visible symptoms in soybeans. When population densities of SCN are high, you may notice stunting and yellowing (pictured here) in patches in some soybean fields.

Sample for Soybean Cyst Nematode This Fall

September 28, 2021
It is a busy time of year as harvest begins across the state, but this is the perfect time to collect soil samples for soybean cyst nematode while waiting in the field in a grain cart or truck as the combine fills.

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Wheat plant

Nebraska Crop Production Forecast for September

September 15, 2021
Based on Sept. 1 conditions, Nebraska's corn crop is forecast at a record 1.80 billion bushels, soybean is forecast at 327 million bushels, sorghum at 22.3 million bushels and sugarbeet at 1.3 million tons.

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Corn tassels

Nebraska Crop Progress for Sept. 12

September 15, 2021
For the week ending Sept. 12, 2021, corn maturity was 35%, ahead of the 29% average. Soybeans dropping leaves was 47%, ahead of the 37% average, harvested was 1%. Sorghum maturity was 27%, ahead of the 18% average, harvested was 2%.

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Corn tassels

Nebraska Crop Progress for Sept. 5

September 8, 2021

For the week ending Sept. 5, 2021, there were 5.0 days suitable for fieldwork, according to the USDA's National Agricultural Statistics Service. Topsoil moisture supplies rated 7% very short, 25% short, 66% adequate and 2% surplus. Subsoil moisture supplies rated 14% very short, 40% short, 46% adequate and 0% surplus.

Field Crops Report:

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Soybean gall midge infestation map

Soybean Gall Midge Identified in Eight Additional Nebraska Counties

September 1, 2021
Soybean gall midge (SGM) injury and pressure varied considerably across its geographic range, with the largest concentration of injured soybean fields occurring in east-central Nebraska this season. To date, a total of 140 Midwestern counties have been identified as infested with SGM.

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Corn tassels

Nebraska Crops Maturing Near Average Pace

September 1, 2021
For the week ending Aug. 29, 2021, corn mature was 8%, near 10% last year and 5% average. Soybeans setting pods was 97%, near 100% last year and 95% average. Sorghum maturity was 2%, equal to both last year and average.

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Soybean pods
Figure 1. Soybean pods collected from stage R7 plants (one mature pod per plant) that were opened to determine if the pod wall interior membrane was still clinging tightly to the seeds (leftmost pod), or if it was beginning to detach from the seeds (second pod), or if the membrane was now permanently attached to the pod wall (third pod). After attaining physiological maturity, seeds undergo a dry-down period from about 60% moisture to about 13% moisture. Note that the Rx.x numbers used here are pod-based stages, not plant-based stages.

Understanding Ending Reproductive Stages in Soybean

August 27, 2021
The timing of the ending R stages in soybean is governed by planting date (PD) and varietal maturity group (MG), though the date of R7 can be hastened if water stress and high temperatures prevail in August — something we are seeing in portions of Nebraska this year.

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Corn tassels

Nebraska Crop Condition for Aug. 22

August 25, 2021
For the week ending Aug. 22, 2021, corn condition rated 43% good and 24% excellent; soybean condition rated 49% good and 20% excellent. Dry edible beans blooming was 95%.

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