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Posts From Erick Larson, State Extension Specialist - Grain Crops

How to Safely Terminate Irrigation in Corn

🕔10:55, 13.Jul 2019

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. In order to make this call, you need to estimate when the crop will reach maturity and how much moisture is present in your soil. This article outlines the steps needed to help make this process accurate and reliable.

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Southwestern Corn Borer Traps – July 12, 2019

Southwestern Corn Borer Traps – July 12, 2019

🕔08:40, 13.Jul 2019

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Southwestern Corn Borer Traps – July 5, 2019

Southwestern Corn Borer Traps – July 5, 2019

🕔20:08, 6.Jul 2019

Several traps exceeded thresholds for the week ending on July 5. As a reminder, our current thresholds are 50 southwestern corn borer moths within a weeks time for corn that has not yet tasseled.  From tassel to dent, the threshold

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Southwestern Corn Borer Trap Counts – June 28, 2019

Southwestern Corn Borer Trap Counts – June 28, 2019

🕔20:55, 28.Jun 2019

Southwestern corn borer trap numbers are starting to increase in some areas of the state. Scouting should be intensified over the next couple of weeks.  It is likely some fields will reach threshold numbers over the next 10 days to

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Southwestern Corn Borer Traps – June 21, 2019

Southwestern Corn Borer Traps – June 21, 2019

🕔19:22, 21.Jun 2019

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The Importance of Tassel Stage and Management Timing

🕔11:45, 1.Jun 2019

As the Mississippi corn crop approaches tassel stage, weather has fluctuated from wet to dry conditions during recent weeks. Thus, this may affect your strategy regarding application of various management inputs, including nitrogen fertilizer or other products. This article will discuss factors that will improve your response.

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When Should I Start Irrigating my Corn?

🕔12:13, 25.May 2019

The first week of dry, hot weather has folks scrambling to get ready to irrigate and often creates more anxiety than necessary. Deciding when to start irrigating corn can be confusing, but this article focuses on those factors which will help you make that decision and make more corn.

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How to Determine Growth Stages of Young Corn or Sorghum

🕔11:33, 25.May 2019

Vegetative growth stages of corn or sorghum 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 decisions, including herbicide application, sidedress fertilizer, etc….

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Practices which Can Increase Nitrogen Use Efficiency for Mid-South Corn

🕔17:10, 26.Apr 2019

Corn productivity may vary considerably depending on what fertilizer source, timing and application method you use. This article discusses how to improve corn response to nitrogen fertilizer and reduce risk of losses.

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New Methods to Assess Corn Stands and Make Replant Decisions

New Methods to Assess Corn Stands and Make Replant Decisions

🕔22:51, 22.Apr 2019

Assessing corn stands to make replant decisions involves numerous factors which will likely influence the outcome. This article discusses those factors, including new research results, which should help make these difficult decisions easier.

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How Late Can We Plant Corn?

How Late Can We Plant Corn?

🕔21:58, 9.Apr 2019

As rains delay planting progress across much of the state, you may be wondering when to abandon corn planting intentions, and proceed with other crops. 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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Overcoming Challenges to Plant the 2019 Corn Crop

Overcoming Challenges to Plant the 2019 Corn Crop

🕔22:23, 25.Feb 2019

Mother nature has certainly presented a very difficult scenario regarding the upcoming 2019 planting season. In this article, we will discuss those issues and our options to hopefully get our corn intentions planted and off to a successful start.

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2019 Grain Sorghum Hybrid Suggestions

🕔14:41, 18.Feb 2019

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

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County Extension Meeting Schedule – February and March 2019

County Extension Meeting Schedule – February and March 2019

🕔13:37, 7.Feb 2019

Mississippi State University Extension will be hosting several county row crop meetings from January through March of 2019. Each meeting will cover issues specific to the region including management topics on agronomics, insects, weeds, diseases, and economics. A meal will

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2018 MSU Corn Hybrid Demonstration Program Results

2018 MSU Corn Hybrid Demonstration Program Results

🕔16:57, 28.Nov 2018

Mississippi State goes to great lengths to evaluate, assess and analyze corn hybrid performance. These Hybrid Demonstration trials are grown in numerous on-farm locations throughout the state where you can better evaluate hybrid performance of our region’s most elite hybrids. Complete results, including yields and plant characteristics from this year’s trials are published here.

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2019 MSU Short List of Suggested Corn Hybrids

2019 MSU Short List of Suggested Corn Hybrids

🕔20:58, 23.Oct 2018

This publication lists those corn hybrids which have demonstrated superior performance in the Mississippi Corn for Grain Hybrid Trials. No other source tests as many hybrids representing today’s market. Thus, this is a great starting point and barometer for you to judge hybrid performance and select the best hybrids for your farm.

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2018 Yield Summaries from the Corn Hybrid Demonstration Program

2018 Yield Summaries from the Corn Hybrid Demonstration Program

🕔20:50, 23.Oct 2018

Mississippi State goes to great lengths to evaluate, assess and analyze corn hybrid performance. These Hybrid Demonstration trials are grown in numerous on-farm locations throughout the state where you can better evaluate hybrid performance of our region’s most elite hybrids. Grain yield results from this year’s trials are published here.

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Keys to Producing High Yielding Wheat

Keys to Producing High Yielding Wheat

🕔15:53, 10.Oct 2018

Wheat can be a fairly consistent and productive crop which offers some benefits and diversity for your cropping system. This article will address several vital planting and fall management practices to employ to mitigate environmental limitations and optimize wheat productivity.

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2018 MSU Short List of Suggested Wheat Varieties

2018 MSU Short List of Suggested Wheat Varieties

🕔17:35, 13.Sep 2018

This publication lists those wheat varieties which have demonstrated superior productivity in the Mississippi Wheat and Oat Variety Trials and summarizes their characteristics. This independent information should help you better assess those varieties which are suited for your specific region.

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Mississippi Ag Industry Council – Row Crop Update

🕔17:58, 18.Jul 2018

We welcome you to attend the Row Crop Update at the 2018 Mississippi Agricultural Industry Council Annual Convention. This event is hosted at Perdido Beach Resort in Orange Beach, Alabama on Wednesday, July 25.

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When can I Safely Finish Irrigating my Corn?

🕔17:29, 13.Jul 2018

As the corn crop nears maturity, knowing when you can safely terminate irrigation timing, while optimizing yield potential is likely the most important decision you will face. In order to make this call, you need to know when the crop will reach maturity and how much moisture is present in your soil. This article outlines the steps needed to help make this process accurate and reliable.

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Why did the Kernels near the Ear Tip not Fill?

🕔15:01, 10.Jul 2018

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 because 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 6, 2018

Southwestern Corn Borer Traps: July 6, 2018

🕔09:25, 7.Jul 2018

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Identifying Corn Reproductive Growth Stages and Management Implications

Identifying Corn Reproductive Growth Stages and Management Implications

🕔08:13, 5.Jul 2018

Corn reproductive stages generally comprise nearly 60 days for corn hybrids grown in Mississippi at normal planting dates. Identification of these stages is critical for making prudent management decisions and anticipating crop response to practices and environmental conditions.

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Southwestern Corn Borer Traps: June 29, 2018

Southwestern Corn Borer Traps: June 29, 2018

🕔10:14, 30.Jun 2018

Southwestern corn borer trap counts were up this week in Coahoma county. As a reminder, our threshold for foliar sprays on non-Bt corn is to spray one week after trap counts exceed 100 per trap from tassel to full dent.

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