Current Topics
- The Moist Soil Test for Potassium and Other Nutrients - What's It All About? -- September 27, 2012
- Soil Fertility Management Issues Following Drought Damaged Crops -- Phosphorus, Potassium, and pH -- August 22, 2012
- Soil Fertility Management Issues Following Drought Damaged Crops -- Nitrogen -- August 13, 2012
- Phosphorus and Potassium in Silage Harvest of Drought Damaged Corn -- July 27, 2012
- Care with Plant Nutrient Analysis -- June 22, 2012
- Why Are Potassium Deficiency Symptoms Showing Now in Corn and Soybeans? -- June 8, 2012
- Corn Nitrogen Rate Calculator Update -- April 23, 2012
- Soil Fertility and Nutrient Management Short Course -- February 15-16, 2012 -- January 28, 2012
- Change in Phosophorus and Potassium Contents of Cornstalks Over Time -- December 14, 2011
- Anhydrous Ammonia Application and Dry Soils -- October 28, 2011
- Flood Recovery - Flooded Soil Syndrome -- September 12, 2011
- Is Foliar Fertilization Useful to Supplement Pre-plant Fertilization? -- July 21, 2011
- Spring 2011 - Nitrogen and Sulfur Issues -- June 13, 2011
- Corn Nitrogen Rate Calculator Update -- April 12, 2011
- Fact or fiction: Anydrous ammonia application should not exceed 10 lb N per unit soil CEC -- February 22, 2011
- North Central Soil-Plant Analyst's Workshop -- January 14, 2011
- Late Nitrogen Application Demonstration - Corn Yield Update -- October 26, 2010
- Corn Stalk Nitrate Interpretation -- September 14, 2010
- Corn Nitrogen Rate Calculator Update -- August 17, 2010
- Late Nitrogen Application Demonstration -- August 16, 2010
- Energy Efficiency in Corn Nitrogen Fertilization -- July 22, 2010
- Is In-Season Fertilization for Soybean Effective? -- June 19, 2010
- Estimating Nitrogen Loss and Applying Additional Nitrogen -- June 14, 2010
- Wet Soil Conditions and Nitrogen Loss -- May 17, 2010
- Corn Injury from Anhydrous Ammonia -- April 20, 2010
- Glyphosate-Manganese Interactions in Roundup Ready Soybean -- March 11, 2010
- Runoff Phosphorus Loss Shortly After Applying Fertilizer and Animal Manure without Incorporation Into the Soil -- November 25, 2009
- Getting Ready for Fall Fertilization -- August 23, 2009
- Foliar Fertilization of Corn and Soybean -- June 30, 2009
- Soil Nitrate Sampling - Banded Nitrogen -- June 15, 2009
- Corn Seedling Injury from Ammonia -- May 22, 2009
- Effects of Crop Rotation and Nitrogen Fertilization for Corn on Yields of Corn, Silage Corn, Soybean, and Oats -- April 20, 2009
- Corn Nitrogen Rate Calculator Update -- March 27, 2009
- Yellow Corn, Wet Soils, and N Loss - Part 4 -- February 6, 2009
- Liquid Swine Manure Nitrogen Availability -- February 1, 2009
- What Are Average Manure Nutrient Analysis Values? -- January 26, 2009
- Using Layer Manure for Crop Production -- November 5, 2008
- New Manure Crop Nutrient Use Publication -- October 13, 2008
- Escalating Fertilizer Prices and High Production Costs Make Tough Fertilization Decisions -- September 22, 2008
- Corn Nitrogen Rate Calculator Updated -- July 21, 2008
- Yellow Corn, Wet Soils, and N Loss - Part 3 -- July 8, 2008
- What About Foliar Fertilization for Soybean This Year?-- July 5, 2008
- Yellow Corn, Wet Soils, and N Loss - Part 2 -- June 27, 2008
- Yellow Corn, Wet Soils, and N Loss -- June 20, 2008
- Measuring the Nitrogen Status (Part 3) -- June 13, 2008
- Estimating Nitrogen Losses (Part 2) -- June 11, 2008
- Nitrogen Loss - How Does It Happen (Part 1) -- June 10, 2008
- Importance of Nitrogen in Soils -- May 27, 2008
- Surface Waters: Ammonium is Not Ammonia - Part Three -- May 21, 2008
- It's a Late Spring: Should You Apply Nitrogen or Plant Corn?-- May 5, 2008
- Surface Waters: Ammonium is Not Ammonia - Part Two -- April 29, 2008
- Surface Waters: Ammonium is Not Ammonia -- April 21, 2008
- You Couldn't Apply Phosphorus and Potassium Last Fall and Now It's Too Wet? -- April 14, 2008
- What is Meant by Crop Availability of Manure Nutrients? -- April 9, 2008
- Is Manure the Same as Fertilizer as a Crop Nutrient Resource? -- April 3, 2008
- Don't Double Dip Soybean -- March 25, 2008
- New Online Source in Iowa for Crop Production News -- March 20, 2008
- Nitrogen Fertilization for Corn Following Corn -- March 19, 2008
- Welcome -- March 10, 2008