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Posts From Erick Larson, State Extension Specialist - Grain Crops

Southwestern Corn Borer Monitoring – Week Ending 8/9/2025

Southwestern Corn Borer Monitoring – Week Ending 8/9/2025 Updated

🕔11:52, 9.Aug 2025

Southwestern Corn Borer Trapping Program Week Ending August 9, 2025 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0 0 Desoto 2 0 0 0 Lowndes 4 0 0 0 Madison 3 0 0 0 Marshall 3 0

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How to Estimate Corn Yield Prior to Harvest

How to Estimate Corn Yield Prior to Harvest Updated

🕔11:33, 9.Aug 2025

Would you like to estimate your corn yield prior to the combine heading to the field? If you are willing to put in a little time, you can make a rough estimate by following these guidelines. While any such method leaves considerable opportunity for error, this process will likely be a good opportunity to learn more about your crop.

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Southwestern Corn Borer Monitoring – Week ending 8/2/2025

Southwestern Corn Borer Monitoring – Week ending 8/2/2025 Updated

🕔10:25, 2.Aug 2025

Southwestern Corn Borer Trapping Program Week Ending August 2, 2025 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0 0 Calhoun 1 0 0 0 Desoto 2 0 0 0 Grenada 4 0 0 0 Hinds 2 0

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Tips to Prepare for a Successful Corn Harvest

Tips to Prepare for a Successful Corn Harvest Updated

🕔07:46, 2.Aug 2025

Corn harvest should ramp up soon as grain matures and dries down to an agreeable moisture for harvest. Understanding how weather and other factors affect grain drying, potential harvest losses, and moisture dockage can greatly help improve your harvest efficiency and success.

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Southwestern Corn Borer Monitoring – Week ending 7/26/2025

Southwestern Corn Borer Monitoring – Week ending 7/26/2025 Updated

🕔11:36, 26.Jul 2025

Eighty-three traps across 29 Mississippi counties detected very low southwestern corn borer activity. Only five counties reported the presence of moths, with Leflore reporting the highest count (8 moths in 9 traps). Since most of the state’s corn is approaching

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Why did the Kernels near the Ear Tip not Fill?

Why did the Kernels near the Ear Tip not Fill? Updated

🕔10:45, 19.Jul 2025

Corn kernel set near the ear tip may vary considerably depending on a number of cultural and environmental factors. These kernels have issues when the plant can’t supply enough energy to support all of them. Therefore, if we want to improve our yields, we need to recognize why kernel set is less than desired, so we can improve management in the future.

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MS Ag Industry Council – 2025 MAIC Row Crop Update

MS Ag Industry Council – 2025 MAIC Row Crop Update Updated

🕔16:37, 18.Jul 2025

We welcome you to attend the Row Crop Update at the 2025 Mississippi Agricultural Industry Council Annual Convention. This event is hosted at Perdido Beach Resort in Orange Beach, Alabama on Tuesday, July 22 starting at 8:00am.

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Southwestern Corn Borer Monitoring – Week ending 7/19/2025

Southwestern Corn Borer Monitoring – Week ending 7/19/2025 Updated

🕔14:12, 18.Jul 2025

Southwestern Corn Borer Trapping Program Week Ending July 19, 2025 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0 0 Calhoun 1 0 0 0 Carroll 2 2 1 2 Coahoma 4 0 0 0 Copiah 3 0

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Southwestern Corn Borer Monitoring Program – Week Ending 7/12/2025

Southwestern Corn Borer Monitoring Program – Week Ending 7/12/2025 Updated

🕔08:52, 12.Jul 2025

Trapping results this week indicate very low southwestern corn borer activity across the state, with only a few isolated instances of minimal trap catches in Leflore, Madison, and Tallahatchie counties. These findings suggest that southwestern corn borer populations remain well

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Southwestern Corn Borer Monitoring – Week ending 7/5/2025

Southwestern Corn Borer Monitoring – Week ending 7/5/2025 Updated

🕔09:34, 5.Jul 2025

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Will we need to Irrigate our Corn this Year?

Will we need to Irrigate our Corn this Year? Updated

🕔11:52, 28.Jun 2025

As the corn crop nears maturity, knowing whether you need to roll poly pipe out or when you can safely terminate irrigation, without sacrificing yield, or wasting money is likely the most important decision that will affect your bottom line. This article outlines the steps needed to help make these decisions accurately and reliable.

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Southwestern Corn Borer Monitoring – Week Ending 6/28/2025

Southwestern Corn Borer Monitoring – Week Ending 6/28/2025 Updated

🕔08:29, 28.Jun 2025

Southwestern corn borer trap counts continue to remain low across the state.

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Identifying Corn Reproductive Stages and Management Implications

Identifying Corn Reproductive Stages and Management Implications Updated

🕔11:35, 27.Jun 2025

Corn progresses through six stages as ears develop through reproductive growth stages. Identification of these stages can help time development, make prudent decisions and anticipate crop response to management practices and environmental conditions.

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2025 Grain Sorghum Hybrid Suggestions

2025 Grain Sorghum Hybrid Suggestions Updated

🕔11:59, 23.Jun 2025

This article lists those sorghum hybrids which have demonstrated superior yields in the Mississippi Grain Sorghum Hybrid Trials. Thus, this is a great barometer to select the best adapted sorghum hybrids for your farm.

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Southwestern Corn Borer Monitoring Program – Week Ending 6/21/2025

Southwestern Corn Borer Monitoring Program – Week Ending 6/21/2025 Updated

🕔11:51, 21.Jun 2025

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Southwestern Corn Borer Monitoring Program – Week Ending 6/14/2025

Southwestern Corn Borer Monitoring Program – Week Ending 6/14/2025 Updated

🕔11:53, 14.Jun 2025

Trap deployment began this week, so minimal trap numbers are being reported. However, no corn borers were detected in the limited traps that were reported.

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Corn irrigation initiation and strategies for 2025

Corn irrigation initiation and strategies for 2025 Updated

🕔21:42, 13.Jun 2025

At the first hint of summer weather, there is often a rush to replenish moisture in corn fields with irrigation. However, this year rains have delayed needs for corn irrigation much later than normal. Since most corn has now tasseled, how will this affect irrigation management?

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Managing Tassel Shots and Nitrogen Concerns for Corn

Managing Tassel Shots and Nitrogen Concerns for Corn Updated

🕔23:32, 30.May 2025

As the Mississippi corn crop approaches tassel, crop health and weather may greatly affect crop response to various management inputs, including nitrogen fertilizer or other products. This article will discuss factors that may affect your strategy and improve your chance for a profitable response.

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Video – How to Identify Corn Vegetative Growth Stages

Video – How to Identify Corn Vegetative Growth Stages Updated

🕔09:15, 3.May 2025

This video shows how to identify vegetative growth stages of corn or sorghum in the field. In this case we inspect two different examples of corn that have progressed into rapid growth stages.

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How to Determine Corn Vegetative Growth Stages

How to Determine Corn Vegetative Growth Stages Updated

🕔12:55, 28.Apr 2025

Vegetative growth stages of corn are determined by counting the number of fully emerged leaves with leaf collars present. It is important to appreciate this methodology since it is a basis for timing many management practices, including herbicide application, sidedress fertilizer, and others.

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Improving Corn Response to Nitrogen Fertilizer

Improving Corn Response to Nitrogen Fertilizer Updated

🕔14:11, 25.Apr 2025

Corn response to nitrogen fertilizer is a dynamic situation that becomes considerably more challenging when rain is plentiful. This article gives recommendations to improve corn response to nitrogen fertilizer and reduce risks in the Midsouth.

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How late can we plant corn?

How late can we plant corn? Updated

🕔14:03, 25.Apr 2025

When rain or other issues limit planting opportunities, you may be wondering how to proceed with crop planting intentions. This publication helps address that question by explaining how corn responds to late planting when grown in different production systems based upon research conducted at Mississippi State University.

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Three Proven Methods to Improve Corn Profitability

Three Proven Methods to Improve Corn Profitability Updated

🕔11:30, 22.Mar 2025

In these tough economic times we devote considerable effort to trimming the fat and focusing inputs where they will improve return on investment. The limiting factors will vary, but these are some of many potential factors which are very important.

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Spring Nitrogen Fertilizer Recommendations for Wheat and other Small Grains

Spring Nitrogen Fertilizer Recommendations for Wheat and other Small Grains Updated

🕔10:18, 22.Feb 2025

Our moist climate challenges our ability to fertilize wheat and other small grains. This article outlines best management practices for nitrogen application timing, fertilizer sources, rates and other important practices which can greatly enhance wheat or oat productivity. Nitrogen recommendations are also included for cereal rye grown for seed or grain production.

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Cover Crop Termination and Preparation for Corn Planting

Cover Crop Termination and Preparation for Corn Planting Updated

🕔08:44, 24.Jan 2025

Cover crops can improve soil health and water quality and are being grown on more acres. However, their growth extends into the spring and may present challenges for primary crops, depending upon when you decide to terminate them with a burndown herbicide. We have been researching these dynamics so that we may implement strategies to realize benefits while minimize risk for corn production.

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