In the News

Check out the latest soil fertility news affecting Minnesota farmers.

AFREC Soil Fertility Spotlight: Dan Kaiser on Fall Soil Sampling

Dan Kaiser, University of Minnesota Nutrient Management Specialist, discusses fall soil sampling.

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AFREC Soil Fertility Spotlight: Jeff Vetsch on Liming Soils

Jeff Vetsch, University of Minnesota Southern Research & Outreach soil scientist, discusses liming soils.

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AFREC Soil Fertility Spotlight: Fabian Fernandez on Fall Fertilizer Application

Listen in as Fabian Fernandez discusses fall fertilizer application.

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AFREC Soil Fertility Spotlight: Dan Kaiser on Micronutrient Fertilization Needs

Dan Kaiser, University of Minnesota Nutrient Management Specialist, discusses micronutrient fertilization needs.

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The Farmer - The economics of fall fertilizer applications

With low commodity prices showing no signs of stopping anytime soon, economics weigh heavy in almost every farm management decision these days.

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The Farmer - U-M gives answers based on research to fall fertilizer questions

Decision about what, when, how and whether to apply fertilizer in the fall usually come down to the bottom line.

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AFREC Soil Fertility Spotlight: Paul Groneberg on AFREC

Paul Groneberg, chair of AFREC, discusses how it brings research to MN growers

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AFREC Soil Fertility Spotlight: Dan Kaiser on Soil Testing After Planting

Dan Kaiser, University of Minnesota Nutrient Management Specialist, discusses guidelines for soil testing after planting.

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AFREC Soil Fertility Spotlight: Fabian Fernandez on Nitrogen Sidedressing

Listen in as Fabian Fernandez discusses tips for nitrogen sidedressing.

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Q&A: Whether or not to sidedress your nitrogen

Considering a sidedress nitrogen application this spring? Fabián Fernández, University of Minnesota Department of Soil, Water and Climate assistant professor, addresses some key questions for supplemental nitrogen management decisions.

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5 tips to maximize 2017 fertilizer investments

Continual monitoring of soil and crops throughout the growing season, plus keeping good records, will help you meet your agronomy goals. Read more about how to maximize your 2017 fertilizer investments.

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AFREC Soil Fertility Spotlight: Fabian Fernandez on Nitrogen Best Management Practices

Fabián Fernandez, University of Minnesota soil scientist, discusses best management practices for spring nitrogen applications.

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Best Management Practices for Nitrogen

Minnesota crops and soils have diverse nitrogen needs. Read more about the best management practices for nitrogen in Minnesota soils.

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AFREC Soil Fertility Spotlight: Dan Kaiser on Maximizing Your Fertilizer Investments

Dan Kaiser, University of Minnesota Nutrient Management Specialist, discusses tips to maximize your fertilizer investments in 2017

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AFREC Soil Fertility Spotlight: Dan Kaiser on boron response

Dan Kaiser, University of Minnesota Nutrient Management Specialist, discusses boron responses

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AFREC Soil Fertility Spotlight: Albert Sims on Long-term Phosphorus Study Results

Albert Sims, University of Minnesota associate professor, discusses long-term phosphorus study results

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AFREC Soil Fertility Spotlight: Fabian Fernandez on Urea Application

Fabian Fernandez, University of Minnesota soil scientist, discusses fall fertilization recommendations with urea.

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AFREC Soil Fertility Spotlight: Fabian Fernandez on Nitrogen Application

Fabián Fernandez, University of Minnesota soil scientist, compares fall and split nitrogen application.

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AFREC Soil Fertility Spotlight: Jeff Vetsch on Zinc Fertilization

Jeff Vetsch discusses his research findings on potassium fertilization of corn and soybeans.

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Soil Fertility Spotlight: Jeff Vetsch on Zinc Fertilization

Jeff Vetsch, University of Minnesota Southern Research & Outreach soil scientist, shares key findings on zinc fertilization research.

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Soil Fertility Spotlight: Dan Kaiser on Fall Soil Testing

Dan Kaiser, University of Minnesota, discusses the importance of fall soil testing.

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Soil Fertility Spotlight: Jeff Coulter Discusses Fertilizer Application on Corn After Alfalfa

Jeff Coulter, University of Minnesota Corn Agronomist, shares research findings on fertilizing corn after alfalfa.

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Comparison of N application methods and rates in corn

Research to determine the effectiveness and logistics of in-season nitrate soil testing

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Soil Fertility Spotlight: Paul Groneberg Shares AFREC Updates

AFREC President, Paul Groneberg, shares an update on AFREC.

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Soil Fertility Spotlight: Mike Schmitt Discusses the Relationship Between the U of MN and AFREC

Mike Schmitt of the University of Minnesota discusses the relationship between the U of MN and AFREC.

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Split nitrogen applications more economical, effective

Increasing interest among growers to wait to apply N until after the crop is growing, or at least to split the application so that some of the N is applied when the crop is growing.

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Soil Fertility Spotlight: Outreach Sources of Information From AFREC

Listen to learn about outreach sources of information from AFREC.

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Soil Fertility Spotlight: Fabián Fernández Discusses Nitrogen Implementation Best Management Practices

Fabián Fernández of the University of Minnesota shares how you can implement nitrogen (N) best management practices (BMPs).

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Soil Fertility Spotlight: Carl Rosen on nitrogen (N) and sweetcorn

Carl Rosen of the U of MN discusses nitrogen (N) and sweetcorn.

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Soil Fertility Spotlight: Daniel Kaiser shares University of Minnesota nutrient management tools available

Dan Kaiser of the University of Minnesota shares University of Minnesota tools available on their nutrient management web site.

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Soil Fertility Spotlight: Jeff Vetsch Discusses Zinc Fertilization

Jeff Vetsch of the University of Minnesota discusses zinc fertilization.

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Soil Fertility Spotlight: Daniel Kaiser Talks Spring Sulfur Rates, Sources and Timing

Daniel Kaiser of the University of Minnesota talks spring sulfur rates, sources and timing.

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Soil Fertility Spotlight: Jeff Coulter Discusses Nitrogen Decisions Following Alfalfa

Jeff Coulter of the University of Minnesota discusses nitrogen decisions following alfalfa.

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Soil Fertility Spotlight: Daniel Kaiser Discusses Phosphorus Management with Today's Economics

Daniel Kaiser of the University of Minnesota discusses Phosphorus management with today's economics.

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Soil Fertility Spotlight: Dan Kaiser Discusses Starter Fertilizer Decisions

Dan Kaiser of the University of Minnesota discusses starter fertilizer decisions.

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AFREC Soil Fertility Spotlight: Fabian Fernandez Discusses Nitrogen Rates, Timing and Placement

Fabian Fernandez of the University of Minnesota discusses nitrogen rates, timing and placement.

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AFREC Soil Fertility Spotlight: Paulo Pagliari discusses phosphorus management and availability in Minnesota soils

Paulo Pagliari of the University of Minnesota discusses phosphorus management and availability in Minnesota soils. (Audio)

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AFREC Soil Fertility Spotlight: Dan Kaiser on Evaluating New Soil Fertility Products Before Purchasing

Dan Kaiser of the University of Minnesota discusses how to evaluate new products, rates and time of application before purchase.

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AFREC Soil Fertility Spotlight: Fabian Fernandez on Nutrient Management and Water Quality Interactions

Fabian Fernandez of the University of Minnesota discusses nutrient management and water quality interactions. (Audio)

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AFREC Soil Fertility Spotlight: Carl Rosen on Sweet Corn Fertility

Carl Rosen of the University of Minnesota discusses the results of his team's sweet corn fertility research project. (Audio)

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AFREC Soil Fertility Spotlight: Albert Simms on Phosphorus Management

Albert Simms of the University of Minnesota discusses how long-term Phosphorus management can help you maximize your yield potential. (Audio)

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AFREC Soil Fertility Spotlight: Paulo Pagliari on Phosphorus Availability

Paulo Pagliari of the University of Minnesota discusses phosphorus availability. (Audio)

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AFREC Soil Fertility Spotlight: Fall Nitrogen Timing and Products

Fabián Fernandez of the University of Minnesota discusses fall nitrogen timing and product. (Audio)

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AFREC Soil Fertility Spotlight: Variable Rate Nitrogen Options

Jeff Vetsch of the University of Minnesota explains variable rate N options. (Audio)

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How high is the sky for corn yield?

Are farmers coming close to the highest possible yields using standard agronomics and standard nutrient management?

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AFREC Soil Fertility Spotlight: Jeff Coulter on Advanced Corn Management

Jeff Coulter of the University of Minnesota discusses advanced corn management practices. (Audio)

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AFREC Soil Fertility Spotlight: Potassium Soil Tests

Jeff Vetsch of the University of Minnesota, Southern Research and Outreach Center discusses the importance of potassium soil tests. (Audio)

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AFREC Soil Fertility Spotlight: On-Farm Trials

Dr. Carl Rosen of the University of Minnesota explains the importance and opportunity of doing on-farm trials. (Audio)

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AFREC Soil Fertility Spotlight: Soil pH and Nutrient Availability

Daniel Kaiser of the University of Minnesota explains the importance of soil pH and nutrient availability. (Audio)

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Delicate balancing of pH, plants

Soybean growers can select varieties that can tolerate a higher pH.

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Local K research benefits corn, beans

Farmers need to balance the risk of yield loss from inadequate fertilizer application with applying expensive fertilizer that may not be needed by the crop.

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Heeding BMPs can solve unique fertilizer problems

One source of water quality problems in Minnesota is plant nutrients.

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Plant-tissue tests aid diagnostics

Plant-tissue analysis can be used either as a diagnostic tool or to monitor nutrient status of high-yielding crops.

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AFREC Soil Fertility Spotlight: Best Management Practices

Jeppe Kjaersgaard of the Minnesota Department of Agriculture discusses the importance of best management practices. (Audio)

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What to consider when applying N in-season to corn

Growers may see an economic optimum yield level with less nitrogen.

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AFREC Soil Fertility Spotlight: Plant Analysis

Daniel Kaiser of the University of Minnesota discusses the importance of tissue analysis.

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AFREC Soil Fertility Spotlight: Pre-plant vs Splitting

Dr. Fabián Fernandez of the University of Minnesota discusses the difference in pre-plant and split nitrogen application opportunities. (Audio)

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AFREC Soil Fertility Spotlight: Crop Advisers

Paul Groneberg of Certified Crop Advisers discusses how crop consultants can take advantage of AFREC research results. (Audio)

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AFREC Soil Fertility Spotlight: Corn Nitrogen Application Rates Following Alfalfa

Jeff Coulter, University of Minnesota Corn Agronomist shares key findings from his research with corn nitrogen application rates. (Audio)

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AFREC Soil Fertility Spotlight: Spring Nitrogen Decisions

Fabián Fernandez shares about his research on spring nitrogen decisions. (Audio)

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AFREC Soil Fertility Spotlight: Starter Fertilizer Decisions

Dan Kaiser of the University of Minnesota Department of Soil, Water, and Climate helps in understanding starter fertilizer decisions for N, P, K, S and Zn. (Audio)

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AFREC Soil Fertility Spotlight: Slow-release Nitrogen for Sugar Beets

Dr. Albert Sims of the University of Minnesota Department of Soil, Water, and Climate shares his findings while researching slow-release nitrogen for sugar beets. (Audio)

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Can polymer coating help maximize urea application?

Polymer-coated urea has been identified as a powerful nitrogen source for crop production in a number of situations.

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AFREC Soil Fertility Spotlight: Polymer-Coated Urea

Dr. Cal Rosen of the University of Minnesota explains his research on polymer-coated urea. (Audio)

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AFREC Soil Fertility Spotlight: For Farmers

Grant Anderson shares with us about how farmers can benefit from AFREC research. (Audio)

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AFREC Soil Fertility Spotlight: University of Minnesota Partnership

Learn more about AFREC and its partnership with the University of Minnesota from Carl Rosen. (Audio)

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Improve, maximize fertilizer investment

How to improve and maximize your fertilizer investment through improving nutrient use efficiency.

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AFREC Soil Fertility Spotlight: About AFREC

AFREC Chair Larry Muff speaks about the purpose and projects of the council. (Audio)

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Use Best Management Practices for N to help environment

Follow best management practices to reduce environmental impact.

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Phosphorus as nutrient often underestimated

Understanding the use and application of phosphorus for farming.

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Fall N: timing, rates and soil type

Fall nitrogen application considerations of timing, rates and soil type.

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Get alfalfa stands ready for the winter

Maximizing a perennial crop like alfalfa begins before the planting season and can continues after the last cutting with fall fertilizer applications to prepare stands for winter.

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5 tips for testing new products

New crop of products might be worth the effort.

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