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Posts From Erick Larson, State Extension Specialist - Grain Crops

Corn Grain Drydown and Strategies for Successful Harvest

Corn Grain Drydown and Strategies for Successful Harvest

🕔10:51, 15.Aug 2020

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, moisture dockage and storage issues can greatly help improve your harvest efficiency and success.

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Southwestern Corn Borer Traps, August 8, 2020

Southwestern Corn Borer Traps, August 8, 2020

🕔01:07, 8.Aug 2020

Although most corn across the state is beyond the susceptible stage, southwestern corn borer traps were very high in some counties with multiple traps exceeding 100 moths per trap.

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Southwestern Corn Borer Traps, August 1, 2020

Southwestern Corn Borer Traps, August 1, 2020

🕔19:05, 31.Jul 2020

Southwestern corn borer trap counts increased again this week in several counties.  Traps in Leflore, Carroll, and Tate counties exceeded the current threshold of 100 per trap. As a reminder, corn is considered safe from yield losses from southwestern corn

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Southwestern Corn Borer Traps – July 25, 2020

Southwestern Corn Borer Traps – July 25, 2020

🕔20:23, 24.Jul 2020

Overall, southwestern corn borer trap numbers are beginning to decline.  Only one location in Leflore county exceeded the threshold of 100 per trap this week.

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Mississippi Crop Situation Podcast – Corn Episodes

Mississippi Crop Situation Podcast – Corn Episodes

🕔14:12, 18.Jul 2020

The corn agronomy guys are also recording Mississippi Crop Situation Podcasts. We are using this format to share our latest recommendations and issues we are finding in the Corn Verification Program and grower fields throughout the state.

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When to Terminate Irrigation in Corn

When to Terminate Irrigation in Corn

🕔11:41, 18.Jul 2020

As the corn crop nears maturity, knowing when you can safely terminate irrigation, without sacrificing yield, or wasting money and labor through unnecessary irrigation 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, July 18, 2020

Southwestern Corn Borer, July 18, 2020

🕔21:07, 17.Jul 2020

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How to Estimate Corn Yield Prior to Harvest

How to Estimate Corn Yield Prior to Harvest

🕔22:00, 13.Jul 2020

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.

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Southwestern Corn Borer Traps, July 11, 2020

Southwestern Corn Borer Traps, July 11, 2020

🕔20:13, 11.Jul 2020

Trap count continue to increase in many regions of the state, but few are at threshold.  As a note, the 2 traps that captured high numbers of moths in Tate county last week were knocked down this week and are

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Why did the Kernels near the Ear Tip not Fill?

Why did the Kernels near the Ear Tip not Fill?

🕔18:01, 10.Jul 2020

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

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Southwestern Corn Borer Traps, July 4, 2020

Southwestern Corn Borer Traps, July 4, 2020

🕔20:25, 3.Jul 2020

Trap counts for southwestern corn borer are highly variable this week.  We did have two locations in Tate and Leflore Counties that exceeded the threshold this week.  As a reminder, thresholds for southwestern corn borer suggest spraying non-Bt corn 7

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Corn Reproductive Stages and Their Management Implications

Corn Reproductive Stages and Their Management Implications

🕔13:01, 27.Jun 2020

Corn progresses through six stages as ears develop through reproductive growth stages. Identification of these stages can be helpful for timing development, making prudent management decisions and anticipating crop response to practices and environmental conditions.

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Southwestern Corn Borer Traps, June 27, 2020

Southwestern Corn Borer Traps, June 27, 2020

🕔08:12, 27.Jun 2020

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Southwestern Corn Borer Traps, June 20, 2020

Southwestern Corn Borer Traps, June 20, 2020

🕔14:38, 19.Jun 2020

This is our first week of reporting southwestern corn borer trap counts.  We had some numbers reported last week but they were extremely low (0-2).  This week, a couple of traps started to pick up more moths, so we may

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How to Address your Strategy Regarding Tassel Applications

How to Address your Strategy Regarding Tassel Applications

🕔11:42, 6.Jun 2020

As the Mississippi corn crop approaches tassel, crop stage and weather conditions may affect your strategy regarding application of various management inputs, including nitrogen fertilizer or other products. This article will discuss factors that affect your strategy and improve your response.

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How to Improve Corn Yield by Better Timing your First Irrigation

How to Improve Corn Yield by Better Timing your First Irrigation

🕔22:59, 25.May 2020

The first week of hot, dry weather has folks scrambling to get ready to irrigate and often creates more anxiety than necessary. Deciding when to start irrigating corn can not only be confusing, but can have a considerable effect on crop productivity. This article explains methods to help you make that decision and make more corn.

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Video – How to Identify Corn Vegetative Growth Stages

Video – How to Identify Corn Vegetative Growth Stages

🕔08:25, 9.May 2020

This is a video showing the methods used to determine the vegetative growth stages of corn or sorghum in the field. Further information can be found in the accompanying Mississippi Crop Situation blog article.

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How to Determine Corn Vegetative Growth Stages

How to Determine Corn Vegetative Growth Stages

🕔18:51, 8.May 2020

Vegetative growth stages of corn are determined by counting the number of fully emerged leaves with leaf collars present. This methodology can be used to anticipate growth and determine appropriate timing of many management practices, including herbicide application, sidedress fertilizer, etc….

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How to Manage Nitrogen Fertilizer for Corn During Wet Weather

How to Manage Nitrogen Fertilizer for Corn During Wet Weather

🕔09:52, 25.Apr 2020

Corn response to nitrogen fertilizer is a dynamic situation that becomes extremely challenging when rainy weather restricts field operations and saturates soils even longer than normal. This article gives recommendations to improve corn response to nitrogen fertilizer and reduce risk when adverse weather occurs.

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Grain Sorghum Planting and Management Recommendations

Grain Sorghum Planting and Management Recommendations

🕔17:12, 16.Apr 2020

Grain sorghum can be a consistent crop suited for dryland acreage and marginal fields in the Midsouth. It also produces many benefits when grown in rotation with our primary crops. This article outlines important planting practices and management tips needed to grow a successful sorghum crop.

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How Planting Delays affect Corn Productivity

How Planting Delays affect Corn Productivity

🕔14:41, 12.Apr 2020

As rains delay corn planting progress across much of the state, you may be wondering how to proceed with crop planting intentions. This newsletter helps address that question by explaining how corn responds to late planting when grown in different production systems based upon research conducted by Mississippi State University.

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2020 Grain Sorghum Hybrid Suggestions

2020 Grain Sorghum Hybrid Suggestions

🕔12:01, 9.Apr 2020

This article lists those grain sorghum hybrids which have produced superior yields in the Mississippi Grain Sorghum Hybrid Trials. This information should improve your ability to select well-adapted sorghum hybrids for your farm based on independent performance testing.

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Corn Planting Recommendations for 2020

Corn Planting Recommendations for 2020

🕔10:57, 25.Mar 2020

Corn is very dependent on the stand achieved to optimize productivity. Unfortunately, we often face serious challenges limiting corn planting and stand establishment in the South. This article discusses factors affecting optimal corn plant population, as well as methods to enhance stand establishment and uniformity.

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Top Five Management Strategies to Improve Corn Profitability

Top Five Management Strategies to Improve Corn Profitability

🕔18:55, 20.Mar 2020

Corn productivity is dependent upon favorable weather and many management practices and inputs you provide, many of which are implemented during planting. Of course, many times we face substantial weather-related challenges that limit productivity. This article addresses those challenges and presents strategies to enhance profitability or minimize associated risk.

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County Meeting Schedule – February 2020

County Meeting Schedule – February 2020

🕔21:55, 30.Jan 2020

Mississippi State University Extension will be hosting several more county row crop meetings during February of 2020. Each meeting will cover issues specific to the region including management topics on agronomics, insects, weeds, diseases, and economics. A meal will be

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