Content Related to Soils

Crop Protection Network Resource

Strip-Till 101 - August 29, 2025

Crop News

Iowa State Northern Research Farm to Celebrate New Facility and 95 Years with Open House on June 26 - May 19, 2025
Fall Phosphorus and Potassium Fertilization Decisions with Variable Prices and Updated Soil-Test Interpretations - September 15, 2023
Beware of Dry Conditions When Soil Sampling and Interpreting Test Results - October 5, 2022
Cold Spring and High Fertilizer Prices may Make Starter Fertilizer More Important - April 22, 2022
Considerations for Spring Preplant Nitrogen Application for Corn with High Fertilizer Prices - April 5, 2022
Soil-Test Interpretations for Fall Fertilization and Liming Decisions with High Fertilizer Prices and After Highly Variable Rainfall and Crop Yields - October 13, 2021
Thinking of Plant Tissue Testing this Season? Beware of Drought or Excess Moisture Effects - July 9, 2021
Nitrogen Considerations for Spring 2021 - June 2, 2021
Wind Damaged Corn – Nutrient Content? - August 17, 2020
Crop Sulfur Fertilization This Spring - March 25, 2020
Spring Corn Nitrogen Fertilization Considerations - March 12, 2020
Algorithms Used to Update State Soil Survey - February 10, 2020
Corn Residue Breakdown as Affected by Tillage and N Application - November 5, 2019
Upper Soybean Leaves Began Showing Potassium Deficiency Symptoms Since Early August in Some Iowa Fields - August 23, 2019
Management Considerations for Post Flooding Soils - March 26, 2019
Managing Wet and Cold Soils - February 26, 2019
Time to Assess and Take Stock of Your Soil Health - November 13, 2018
How to Minimize Soil Compaction During Harvest - October 11, 2018
Navigating Through a Soil Health Assessment - June 7, 2018
How Drought Affects Soil Health - August 23, 2017
The Economics of Soil Health - May 23, 2017
Soil Health Benefits for Sustaining Crop Production - April 13, 2016
Protect Your Investment by Eliminating Tillage and Keeping Residue - December 7, 2015
45th Annual North Central Extension-Industry Soil Fertility Conference - October 12, 2015
Make Rational Decisions about Phosphorus and Potassium Management with Unfavorable Crop Prices - September 16, 2015
Nitrogen Issues So Far This Spring - June 9, 2015
Corn Suitability Rating 2 Equation Updated - April 15, 2015
Starter Fertilization Sometimes Boosts Corn Yield - March 20, 2015
What is the Nutrient Value of Lost Organic Matter by Erosion? - March 6, 2015
Wind Erosion in Iowa - January 27, 2015
Hold Off on Tillage This Fall, Keep Soil Covered - October 27, 2014
One Oft Forgotten Important Fall Chore – Sampling Fields for SCN - October 16, 2014
Fall Nitrogen Applications and Soil Temperature - October 13, 2014
Estimating Nitrogen Losses in Wet Corn Fields - June 17, 2014
Compressed Spring Workload in 2014? What are Nitrogen Application Options? - April 1, 2014
Spring Tillage Pitfalls - March 14, 2014
What is Soil Health and How Can We Improve It? - February 19, 2014
Management Practices Considerations - January 24, 2014
ISU Extension and Outreach Offers Soil Fertility Short Course - January 21, 2014
Avoid Tillage This Fall - September 27, 2013
Update to Iowa Phosphorus, Potassium and Lime Recommendations - September 21, 2013
Advanced RUSLE2 Workshop - August 26, 2013
Short Corn and Variable Growth - July 30, 2013
Side-hill seeps result in corn emergence problems - June 17, 2013
Prevented Planting and Soil Health - June 17, 2013
Nitrogen Loss - Spring 2013 - June 10, 2013
Soil Profile Nitrate – Spring 2013 Sampling Summary - June 4, 2013
CCA Credit Opportunity – June 27 - June 4, 2013
Corn Nitrogen Rate Calculator Update - June 3, 2013
Assess Your Soil Moisture Profile - May 9, 2013
Wet Conditions and Change in Soil Profile Nitrate - May 6, 2013
Spring rain: The good and the ugly - April 19, 2013
Planter Adjustments for Dry Soil - March 22, 2013
Evaluate Forage Stands for Winter Injury - March 18, 2013
Soil Profile Nitrate in Corn Fields Following the 2012 Drought - February 21, 2013
Soil and Management Factors Influence Seeding Depth - February 18, 2013
Farmers Reminded to Wait Until Soil Temps are 50 Degrees and Falling Before Applying Anhydrous Ammonia Fertilizer - October 17, 2012
The Moist Soil Test for Potassium and Other Nutrients: What's It All About? - September 24, 2012
Phosphorus, Potassium and pH Management Issues Following Drought-damaged Crops - August 23, 2012
Dry Soil Conditions and Liquid Manure Application - August 15, 2012
Soil Fertility Management Issues Following Drought-damaged Crops - Nitrogen - August 12, 2012
Early Corn Harvest and Residue Management this Fall - August 2, 2012
Soil Moisture Conditions and Crop Water Use - June 29, 2012
Conservation System Management Considerations - May 14, 2012
Conservation Practices Save Soil and Sustain Agriculture - May 14, 2012
Crop Minute - Soil Erosion - May 11, 2012
Reduce Potential Soil Erosion Early in the Spring - April 30, 2012
How Much Crop Residue to Remove - April 20, 2012
Pay Attention to Soil Crusting After Heavy Rain Events - April 18, 2012
How Long Will it Take Corn to Emerge? - April 18, 2012
Influence of Soil Temperature on Corn Germination and Growth - March 27, 2012
Improving Diesel Fuel Efficiency for Spring Field Operations - March 9, 2012
Precision Ag Technology Savings - February 24, 2012
Strip-tillage Concept and Management - February 13, 2012
Spring Seed Cover Crops to Help Recover Flooded Fields - February 7, 2012
Corn and Dry Soils at Planting, Looking ahead to 2012 - Part II - January 31, 2012
Corn and Dry Soils at Planting, Looking ahead to 2012 - Part III - January 31, 2012
Corn and Dry Soils at Planting, Looking Ahead to 2012 - Part I - January 31, 2012
Soil Fertility Short Course Offered at Iowa State - January 30, 2012
Management Considerations for Post Flooding Soils - November 7, 2011
Anhydrous Ammonia Application and Dry Soils - October 28, 2011
Be Cautious When Interpreting Early Fall Soil-Test Results - October 6, 2011
New Publication Makes Interpreting Manure Nutrient Analyses Easier - October 4, 2011
Soil Management Decisions This Fall - September 12, 2011
Managing Soil by the Inches - September 12, 2011
ISU Extension Offers Ag Drainage School - August 2, 2011
Why Conservation Planning - June 15, 2011
Spring is Time to Evaluate Field Grass Waterways - May 24, 2011
Maximizing Yield Potential by Optimizing Soil Management Practices - April 28, 2011
How Does Soybean Yield Fare Following Corn - February 25, 2011
Are We Making Progress With No-till - January 26, 2011
Land Roller Use: Challenges and Benefits - January 3, 2011
Iowa State Research Farm Reports Available to Public - December 20, 2010
Winter Application of Manure: Regulations and Common Sense - December 14, 2010
Confinement Site Manure Applicator Workshops Scheduled for 2011 - December 14, 2010
Commercial Manure Applicator Training Scheduled for Jan. 6, 2011 - December 14, 2010
Fall Versus Spring Tillage, Which is Better - September 23, 2010
Crop Management Clinic Features Over 20 Management Topics - June 21, 2010
Crop and Weather Report - April 19, 2010 - April 20, 2010
Leveling Soil for Planter Operation - April 7, 2010
How and Why to Avoid Soil Compaction - April 4, 2010
Monitor Soil Moisture This Spring - April 4, 2010
Spring Thaw Warrants Proper Precautions for Producers - March 6, 2010
Manure Stewardship: Late Winter Manure Application and Risk - February 26, 2010
Converting Your Planter for No-till Operation - February 12, 2010
Soil Fertility Short Course Feb. 9-10 - January 25, 2010
Soil Management and Environment Website Launched by Extension - November 16, 2009
Soil Management of Harvest Ruts - October 29, 2009
Crop and Weather Update - First Week of October - October 9, 2009
Getting Ready for Fall Fertilization - September 4, 2009
A Top Ten List: Preparing for Fall Manure Application - August 25, 2009
Corn: Uneven Early-Season Growth Can Mean Uneven Tasseling - July 10, 2009
May 18 Crop and Weather Report - May 20, 2009
May 11 Crop and Weather Report - May 12, 2009
Pay Attention to Soil Crusting After Heavy Rain Events - May 4, 2009
April 20 Iowa Crop and Weather Report - April 22, 2009
Take Note of Soil Temperature - April 22, 2009
April 6 Crops and Weather Report - April 7, 2009
Tips for Managing Corn Residue in Continuous Corn - March 27, 2009
March 23 Crops and Weather Report - March 25, 2009
March 16 Crops and Weather Report - March 16, 2009
March 9 Crops and Weather Report - March 10, 2009
Moving to No-tillage: Challenges and Opportunities - March 5, 2009
March 2 Crops and Weather Report - March 3, 2009
February 23 Crops and Weather Report - February 26, 2009
February 16 Crops and Weather Report - February 17, 2009
Yellow Corn, Wet Soils, and N Loss – Part 4 - February 10, 2009
February 9 Crops and Weather Report - February 10, 2009
Soil Sample Results Can Reveal if SCN Management is Working - December 1, 2008
Make the Right Tillage Management Decision - October 2, 2008
Making Fertilization Decisions as Fertilizer Prices Escalate and Production Costs Are High - Part 1 - September 23, 2008
Making Fertilization Decisions as Fertilizer Prices Escalate and Production Costs Are High - Part 2 - September 23, 2008
Nonconventional Soil Additives and Programs - September 16, 2008
Plan for 2009 Crop Year by Managing Flooded Soils - August 11, 2008
Renovating Pastures or Hay Meadows Damaged by Flooding - July 13, 2008
Measuring the Nitrogen Status - June 12, 2008
Managing Manure Storage Structures During Wet Weather - June 12, 2008
Estimating Nitrogen Losses - June 11, 2008
Nitrogen Loss – How Does it Happen? - June 10, 2008
Heavy Rain, Soil Erosion and Nutrient Losses - June 5, 2008
Surface Waters: Ammonium is Not Ammonia – Part 3 - May 21, 2008
Consider Effects on Seedbed Before Tilling Wet Soil - May 13, 2008
Inoculating CRP Ground - April 21, 2008
Managing Residue for a Good Stand - April 2, 2008
Spring Sampling OK for Two Corn Nematode Species - April 1, 2008

Encyclopedia Article

Considerations for adopting a different tillage system - September 16, 2025
A Recipe for Success with Soil Sampling - August 28, 2025
The Illinois Soil Nitrogen Test: Should it be used in Iowa? - October 10, 2005
Spring wind erosion and residue management - May 23, 2005
Soil moisture conditions -- consideration for soil compaction - May 9, 2005
Phosphorus - Why the concern about water quality? - August 20, 2001

ICM Blog Post

Registration is now open for the 36th Integrated Crop Management Conference - October 27, 2025
Don’t Overlook Residue Spread at Harvest - September 3, 2025
Northwest Iowa Subsoil Moisture Survey Results Announced for Spring 2025 - April 21, 2025
Low soil nitrate entering crop year 2025: what does it mean for nitrogen management this spring? - March 6, 2025
Northwest Iowa Subsoil Moisture Survey Results Announced - December 2, 2024
Who needs sulfur? You might need sulfur. - October 9, 2024
Spring 2024 Subsoil Moisture Level Report for Northwest Iowa - May 1, 2024
Considerations when shifting from Rural Water to a private well - March 28, 2024
Northwest Iowa Subsoil Moisture Survey Results Announced - November 15, 2023
Soil Temperatures: Are we there yet? - October 30, 2023
PIDC Dos and Don'ts - Field Crops Edition - June 15, 2023
Spring 2023 Subsoil Moisture Level Report for Northwest Iowa - April 19, 2023
Iowa Soil Health Workshop Planned for August 4th - July 13, 2022
What's with all the yellow soybean? - July 11, 2021
Virtual crop scouting school now available from CPN - April 19, 2021
Status Update on Soil Temperatures - November 3, 2020
Field Scouting Basics Workshop Online - May 22, 2020
Will fallow syndrome be an issue in 2019 prevented plant acres? - April 6, 2020
Join us April 6-10 for the "Essential Row Crop Management" Webinar Series! - March 31, 2020
Plant and Insect Diagnostic Clinic to offer some remote diagnostics - March 17, 2020
Soil Fertility Short Course offers in-depth, practical training - January 14, 2019
2019 Soil Health Conference Registration Now Open - November 13, 2018
Farmers, scientists and industry to speak at 2017 Soil Health Conference - January 27, 2017
Opportunities for Better Understanding of Soils - January 25, 2017
Planting, residue management, herbicide recommendations for start of plant 2016 - April 18, 2016
Anhydrous ammonia applications and corn planting - April 14, 2016
Earn CCA credits, submit poster at first Iowa Soil Health Conference - January 13, 2016
Earn Soil and Water CCA Credits at the Soil Health Conference on February 2-3, 2016 - December 1, 2015
Be aware of potential problems with fall tillage - November 9, 2015
Sustained soil temperatures below 50 degrees needed for fall nitrogen application - October 9, 2015