『UMN Extension Nutrient Management Podcast』のカバーアート

UMN Extension Nutrient Management Podcast

UMN Extension Nutrient Management Podcast

著者: University of Minnesota Extension
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Welcome to University of Minnesota Extension's Nutrient Management Podcast. Each month we bring you the latest research in nutrient management for crops and how you can incorporate the latest tips and best management practices to your farm.© 2025 Regents of the University of Minnesota 博物学 科学 自然・生態学
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  • Sidedressing nitrogen: The rationale, past research & potential risks in split-applying
    2026/06/02

    Brad Carlson and Dan Kaiser discuss sidedressing in today's Advancing Nitrogen Smart Podcast episode. What's the big-picture rationale behind sidedressing? How can sidedressing or split-applying be beneficial in terms of avoiding nitrogen loss? Since nitrogen uptake isn't linear, what growth stages coincide with peak daily demand on the crop? Are there any significant risks in starting a sidedress application early in the season? What have past experiments shown regarding positive and / or negative responses to sidedressing? How should inhibitors be used with sidedress / topdress? What should farmers know about soil types and tile drainage when making sidedress decisions? This and much more on the 37th episode of the Advancing Nitrogen Smart podcast series.

    Guests:

    • Brad Carlson, Extension educator (Mankato)
    • Dan Kaiser, Extension nutrient management specialist (St. Paul)


    Additional resources:

    • Things to consider when sidedressing nitrogen
    • Split-applying nitrogen for corn: Three keys for successful sidedress applications (YouTube)
    • What's the right PSNT number? New research refines the critical threshold for corn nitrogen decisions in Minnesota
    • Are split applications of nitrogen fertilizer in Minnesota worth it?
    • Supplemental nitrogen fertilizer: Is it time to pull the trigger?


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    For the latest nutrient management information, subscribe to the Nutrient Management Podcast. And don't forget to subscribe to the Minnesota Crop News daily or weekly email newsletter, subscribe to our YouTube channel, like UMN Extension Nutrient Management on Facebook, follow us on X (formerly twitter), and visit our website.


    If you have questions or comments, please email us at nutmgmt@umn.edu.


    Advancing Nitrogen Smart is proud to be supported by the farm families of Minnesota and their corn check-off investment through Minnesota Corn.

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    30 分
  • Sugarbeet nutrient management: Best practices, guidelines & new research for MN growers
    2026/05/21

    Minnesota is the nation's top producer of sugarbeets by acreage. Today we're discussing sugarbeet nutrient management on the Nutrient Management Podcast. What are the fertilizer guidelines for sugarbeets right now, and how are they revised? What sugarbeet research studies are currently underway at the University of Minnesota? Are there any considerations when fertilizing sugarbeets with manure? What should farmers know about micronutrients, or about timing? What makes sugarbeets such effective nitrogen scavengers? All this and more on today's episode.

    Guests:

    • Daniel Kaiser, Extension nutrient management specialist (St. Paul)
    • Melissa Wilson, Extension manure nutrient management specialist (St. Paul)
    • John Lamb, Professor Emeritus in Department of Soil, Water and Climate (St. Paul)

    Additional resources:

    • Sugarbeet fertilizer guidelines
    • New sugarbeet fertilizer guidelines for Minnesota: What to know about nitrogen and micronutrient management
    • ManureDB
    • Unharvested sugarbeets in your fields this spring? Here are some nutrient management considerations
    • Tissue sampling tips for corn, soybean, sugarbeet and wheat
    • Urea and sugarbeet stand loss: Should growers change how they manage nitrogen?

    For the latest nutrient management information, subscribe to the Nutrient Management Podcast. And don't forget to subscribe to the Minnesota Crop News daily or weekly email newsletter, subscribe to our YouTube channel, like UMN Extension Nutrient Management on Facebook, follow us on X (formerly twitter), and visit our website.

    If you have questions or comments, please email us at nutmgmt@umn.edu.

    Support for the Nutrient Management Podcast is provided by Minnesota's fertilizer tonnage fee through the Agricultural Fertilizer Research & Education Council (AFREC). Learn more at MNsoilfertility.com.

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    26 分
  • Nitrates & placement: Factors for reducing nitrogen loss to water
    2026/05/06

    We’re talking all about nitrate management and placement as important factors for reducing nitrogen loss to water on today's episode of the Advancing Nitrogen Smart Podcast series. Different forms of nitrogen have their own potential for loss. How does nitrogen already in the nitrate form differ from ammonium for example? How does basic soil science slow down or speed up nitrogen transformation? Why can't nitrates be easily stabilized in the fall in Minnesota? How do other factors like pH affect nitrogen transformation? This and much more in today's discussion.

    Guests:

    • Brad Carlson, Extension educator (Mankato)
    • Dan Kaiser, Extension nutrient management specialist (St. Paul)


    Additional resources:

    • Nitrogen placement: What MN farmers should know about depth, incorporation, loss pathways, and more
    • How 4R Nutrient Stewardship can help Minnesota farmers
    • Four things I’ve learned about nitrogen management for corn based on a decade of research in Minnesota
    • Six observations from six years of tile sampling for nitrates in southeast Minnesota
    • Nitrogen BMPs and nitrate water quality issues in southeast Minnesota: What should growers be thinking about?

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    For the latest nutrient management information, subscribe to the Nutrient Management Podcast. And don't forget to subscribe to the Minnesota Crop News daily or weekly email newsletter, subscribe to our YouTube channel, like UMN Extension Nutrient Management on Facebook, follow us on X (formerly twitter), and visit our website.

    If you have questions or comments, please email us at nutmgmt@umn.edu.

    Advancing Nitrogen Smart is proud to be supported by the farm families of Minnesota and their corn check-off investment through Minnesota Corn.

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    35 分
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