Jim Specht - Emeritus Professor of Agronomy

Soybean field with areas of extended growth due to street lights

Q&A - Will the eclipse affect soybean growth? August 9, 2017

This Q&A takes a look at whether light-sensitive soybean growth may be affected by the Aug. 21 eclipse.

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Sample CornSoyWater Screen Message

CornSoyWater: Real-Time Aid for Corn and Soybean Irrigation Decisions July 11, 2017

Use CornSoyWater and its app to monitor soil available water and crop water use and to identify fields where stress is likely occurring or will be occurring within the next three days. The tool is free, user friendly, and can help you monitor fields from a distance.

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Center pivot irrigation of soybean
The online tool SoyWater can aid in staging crop growth stage of soybeans and scheduling irrigations at the right time for maximum efficiency and impact. ons and make the ones you do apply more efficient.

Using SoyWater to Schedule Irrigation and Monitor Soybean Stages to Guide Decision-Making June 26, 2017

SoyWater is an online tool that, based on the information you input, can provide timely, field-specific irrigation recommendations to increase irrigation efficiency.

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Nebraska precipitation map

When Weather Delays Planting – Now What? May 26, 2017

Agronomists consider several options for those pushed into late planting due to heavy rains. Changing corn hybrids or soybean varieties is not recommended, nor is shifting to alternate crops.

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Chart of Nebraska & US corn yield trends (1971-2016)

Soybean and Corn Yield and Acreage Trends through 2016 May 25, 2017

Nebraska soybean and corn yields steadily increased from 1971 to 2016, in both irrigated and rainfed production fields. Charts based on USDA National Agricultural Statistics Service numbers track these changes.

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Meat thermometer measuring soil temperature

Corn, Soybean Planting Considerations for this Week’s Cold Snap April 24, 2017

With nighttime lows predicted to drop several nights this week, growers are advised to cautiously assess the potential for germination problems due to imbibitional chilling before planting. Agronomists advise checking soil temperatures in each field the day of planting as well as forecast temperatures for 24 hours (soybeans) or 48 hours (corn) after planting.

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3 top tps for delayed soybean planting
3 top tps for delayed soybean planting

Adjusting for Delayed Soybean Planting May 27, 2016

As wet conditions further delay soybean planting in some areas, learn what practices may need to be adjusted and which don't to achieve a successful soybean stand.

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Soybean Seeding Rate Tips April 20, 2016

Numerous soybean seeding rate studies have indicated that a final plant population of about 80,000 to 120,000 plants per acre is likely sufficient for ensuring an economic return, with the latter being based on weighing the slightly higher yield potential with higher final pl

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