Variable Rate Technology

In this episode of the Nutrient Management Podcast, we’re discussing soybean fertilizer management. What does the research say on whether foliar application of liquid fertilizer increases yield? Are other nutrients such as sulfur or nitrogen recommended? What nutrients or practices are not suggested for soybean? Guests: Fabian Fernandez, Extension nutrient management specialist (St. Paul) Daniel Kaiser, Extension nutrient management specialist (St. Paul) Seth Naeve, Extension soybean agronomist (St. Paul) Jeff Vetch, U of M researcher (Waseca) Additional resources: New study finds foliar fertilizers rarely increase soybean yield Soybean fertilizer guidelines Soybean nutrient calculator Managing iron deficiency chlorosis (IDC) in soybeans  ---For the latest nutrient management information, subscribe to the Nutrient Management Podcast wherever you listen and never miss an episode! 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 Twitter, and visit our website.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

In this episode of the Nutrient Management Podcast, we’re talking about the spring fertilizer outlook for 2023. Will the dry conditions last year have repercussions for how fertilizer is managed this year? What considerations should growers be making regarding fertilizer for a potentially late spring? Is there any new research on fertilizer products like biologicals or inhibitors that Minnesota growers should be aware of?Guests: Brad Carlson ([email protected]), Extension educator (Mankato).  Daniel Kaiser, Extension nutrient management specialist (St. Paul) Jeff Vetsch,  U of M researcher (Waseca) Additional resources: For the second year in row, taking a pre-plant soil nitrate test this spring could pay big Planting or nitrogen application: With a wet spring, which one comes first? Nutrient Management Podcast: Phosphorus and potassium application in a late spring What's new on the topic of biostimulants? ---For the latest nutrient management information, subscribe to the Nutrient Management Podcast wherever you listen and never miss an episode! 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 Twitter, and visit our website.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

In this episode of the Nutrient Management Podcast, we’re talking about fertilizing lawns and gardens. Why is proper nutrient management for lawns and gardens important? What should home gardeners and lawn caretakers know about nutrient management? Why is phosphorus fertilizer use restricted in the Twin Cities metro area and on lawns in Minnesota? What can gardeners and lawn caretakers do to protect local water quality?Guests: Carl Rosen, Extension nutrient management specialist Natalie Hoidal, Extension educator - local foods and vegetable crops Jon Trappe, Extension educator - turfgrass Christy Marsden, Master Gardener Volunteer Program Additional Resources: Soil Testing Lab Yard and Garden News Yard and Garden YouTube channel Fertilizing Lawns Ask a Master Gardener ---For the latest nutrient management information, subscribe to the Nutrient Management Podcast wherever you listen and never miss an episode! 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 Twitter, and visit our website.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

In this episode of the Nutrient Management Podcast, we’re talking about watershed planning and nitrate reduction. What are watershed plans and what goes into them? How do watershed plans affect nutrient management decision-making? What should farmers know about edge-of-field and nutrient management planning in relation to water quality goals?Guests: Wayne Cords, Minnesota Pollution Control Agency Brad Carlson, Extension nutrient management specialist (Mankato) Jeff Strock, Extension soil scientist (Lamberton) Additional Resources: Advanced Nitrogen Smart, Feb. 13 - March 17 at various locations around the state Minnesota Nutrient Reduction Strategy (MPCA) One Watershed, One Plan (MN BWSR) Where Can I Get Support? (MN BWSR) Minnesota State Programs (USDA FSA)

In this episode of the Nutrient Management Podcast, we’re talking about variable rate technology. What are some reasons that farmers might want to use variable-rate fertilizer instead of applying a single rate? Is there a difference between variable rating, different nutrient types? What are the technologies that are used to prescribe variable-rate fertilizer and what is the theory behind them? If farmers apply fertilizer at a variable rate, how should they evaluate those outcomes?Guests: Brad Carlson, Extension educator (Mankato)  Daniel Kaiser, Extension nutrient management specialist (St. Paul) Jeff Vetch, Extension nutrient management researcher (Waseca) Additional resources: Variable rate nitrogen and nitrogen advisory tools: Do they work? Fertilizer recommendation technology: What is success? On-farm precision ag research update: In-season site-specific side-dress nitrogen rate recommendations for corn

In this episode, three University of Minnesota experts discuss biostimulants. What's new on the topic of biostimulants? What new research is there related to biostimulants? How should farmers go about testing biostimulant products?Guests:  Daniel Kaiser, Extension nutrient management specialist  Carl Rosen, Extension nutrient management specialist Lindsay Pease, Extension nutrient management specialist (NWROC - Crookston) Additional resources: Compendium of Research Reports on Use of Non-Traditional Materials for Crop Production Should farmers consider biostimulant products? Biostimulants: What are they and do they work? U of M fertilizer guidelines by crop ---For the latest nutrient management information, subscribe to the Nutrient Management Podcast wherever you listen and never miss an episode! 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 Twitter, and visit our website.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

In this episode of the Nutrient Management Podcast, we’re talking about soil test myths. First, why is it important to discuss these pervasive myths surrounding soil tests? Myth 1: the Mehlich-3 test is a better test for farmers to consider: Myth 2: I can predict my nitrogen requirement with the cation exchange capacity test. Myth 3: K base saturation is the better way to predict potassium. Myth 4: I need to run an analysis of all micronutrients.Guests: Daniel Kaiser, Extension nutrient management specialist (St. Paul) Brad Carlson, Extension educator (Mankato)  Carl Rosen, Extension nutrient management specialist (St. Paul) Additional resources: https://blog-crop-news.extension.umn.edu/2021/02/what-is-best-soil-test-option-for.html https://extension.umn.edu/testing-and-analysis/understanding-soil-test-report https://extension.umn.edu/crop-specific-needs/fertilizing-corn-minnesota https://extension.umn.edu/crop-specific-needs/soybean-fertilizer-guidelines https://blog-crop-news.extension.umn.edu/2019/07/video-micronutrients-small-but-mighty.html ---For the latest nutrient management information, subscribe to the Nutrient Management Podcast wherever you listen and never miss an episode! 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 Twitter, and visit our website.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

In this episode of the Nutrient Management Podcast, we discuss surgarbeet nutrient management. How did Minnesota become the nation's top sugarbeet producer? What are some highlights from past sugarbeet nutrient management research in Minnesota? What current studies does the U of M have on sugarbeet nutrient management? What else should growers know about sugarbeet nutrient management?Guests: Daniel Kaiser, Extension nutrient management specialist (St. Paul) Melissa Wilson, Extension manure nutrient management specialist (St. Paul) Lindsay Pease, Extension nutrient and water management specialist (Crookston) John Lamb, professor emeritus, Department of Soil, Water and Climate (St. Paul) Additional Resources: U of M sugarbeet fertilizer guidelines Cover crop options for pre-pile sugarbeet Is Minnesota really one of the nation's top sugar producers? (Star Tribune) ---For the latest nutrient management information, subscribe to the Nutrient Management Podcast wherever you listen and never miss an episode! 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 Twitter, and visit our website.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

In this episode, we’re talking about phosphorus and potassium guidelines. Why do P and K guidelines differ from state to state? What is the best way to collect soil samples, and are there benefits from grid sampling? Are there any new technologies out there that may replace soil testing in the future?Guests: Daniel Kaiser, nutrient management specialist (St. Paul) Jeff Vetch, nutrient management specialist (Waseca) Antonio Mallarino, soil fertility and nutrient management specialist (Iowa State University) Dorivar Ruiz Diaz, soil fertility specialist (Kansas State University) Additional resources: University of Minnesota - corn fertilizer guidelines Iowa State University - soil fertility Kansas State University - soil fertility recommendations Is build-and-maintain a viable strategy for crop nutrient management? What is the best soil test option for phosphorus? Nutrient Management Podcast: Optimal P and K levels in the soil 5 tips for cutting phosphorus, potassium fertilizer costs ---For the latest nutrient management information, subscribe to the Nutrient Management Podcast wherever you listen and never miss an episode! 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 Twitter, and visit our website.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

In this episode of the Nutrient Management Podcast, we’re talking about cover crops. What should farmers who are considering growing cover crops this year be thinking about? What are some tips for getting a cover crop established in Minnesota? Should growers consider applying fertilizer to help get a cover crop established? What recent cover crop studies have U of M researchers been doing, and what have we learned from them?Guests: Anna Cates, Extension soil health specialist (St. Paul) Fabian Fernandez, Extension nutrient management specialist (St. Paul) Carl Rosen, Extension nutrient management specialist (St. Paul) Lizabeth Stahl, Extension crops educator (Worthington) Additional resources: Extension cover crops MCCC SWROC cover crop field day Rosholt Farm field day Soil health field day at Brent Fuchs’ farm ---For the latest nutrient management information, subscribe to the Nutrient Management Podcast wherever you listen and never miss an episode! 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 Twitter, and visit our website.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