Corn

| Articles, Factsheets & Infosheets | Newsletters | Resources & Services |
| Stats & Facts |Crops Updates | Links | Related Topics |

Articles, Factsheets and Infosheets

| General | Budgeting, Marketing, and Crop Uses | On Farm Trials | Planting |
| Early Season Growth and Development | Mid Season Growth | Late Season Growth
| Tillage | Hybrid Selection | Fertility | Harvest and Storage |
| Diseases | Insects | Weeds |

What is NEW in CORN

• Corn Nitrogen Application - Assessing Potential Loss, March 2009
• The Art of Interpreting Field Trials…or, Can Good Data Lead to Bad Results? March 2009
• 2009 Field Crop Budgets (Publication 60)
  • 2009 Crop Comparison Summary Table for Selected Field Crops ($/acre)
• 2008 Hybrid Corn Performance Trials

General

• Agronomy Guide, Publication 811, Order this publication
• Comparing Bio-oils for Use as Biodiesel Fuel, Oct 2006
• Corn Watch 2008, April 2008
• Crop Heat Units for Corn & Other Warm Season Crops in Ontario (Order No. 93-119)
• Cover Crops
• Field Crop Production, Best Management Practices (Order No. BMP02) Order publication
• Field Crop Protection Guide (Publication 812)
  • Field Crop Protection Guide Supplement 2008 (Publication 812S)
• Hazardous Gases (Order No. 04-087)
• Is the Emerging Bioeconomy Part of Your Future? Nov 2006
• Introduction to Organic Farming (Order No. 06-103)
• Planning a Crop Rotation, June 2006
• Twin Row Corn, June 2009
• Weather Weenies We Are! June 2006

Budgeting, Marketing, and Crop Uses

• Burning Shelled Corn as a Heating Fuel (Order No. 93-023)
• CAIS - Canadian Agricultural Income Stabilization Program
• Ontario Enterprise Budgets 2008
  • Grain Corn - (xls) or (html)
  • Grain Corn - Minimum Till (xls) or (html)
  • Grain Corn - No-Till (xls) or (html)
  • Bt Corn - (xls) or (html)
    
  • Bt and Roundup Ready Corn - (xls) or (html)
  • Roundup Ready Corn - (xls) or (html)
  • Silage Corn (xls) or (html)
  • Organic Corn ( xls ) ( html )
• 2009 Field Crop Budgets (Publication 60)
  • 2009 Crop Comparison Summary Table for Selected Field Crops ($/acre)
• Guide To Custom Farmwork and Short-Term Equipment Rental
• Marketing Mayhem March 2005
• Pricing Corn Silage in 2005, Sept 2005
• Ontario Field Crops Statistics
• Organic Field Crops in 2008, March 2008
• The Facts on Ethanol Production , January 2008

On Farm Trials

• Field Scouting and On-Farm Trials
• Field Scouting Tips, June 2007
• Hesitant to Leave Zero Strips in Test Plots? Jan 2004
• OSCIA and OMAFRA Partner to Assist Growers to Conduct On-Farm Trials
• The Art of Interpreting Field Trials…or, Can Good Data Lead to Bad Results? March 2009

Planting

• 2008 Corn-On-Corn Checklist, Sept 2007
• A Six Hour Tongue On The Corn Planter Feb 2004
• Corn Planter Scrutiny Needs to Increase With No-Till, Jan 2003
• Corn Planting Following Early Hay Harvest, May-June 2001
• Lambton Farmer Not Ready To Give Up On Air Seeding Corn, Jan 2006
• Narrow Row Corn
• No-Till Corn Planting Following Early Hay Harvests , June 2007
• Planting

Early Season Growth and Development

• Black Cutworm the Next Problem, June 2006
• Corn Development
• Corn Development
• Corn Leaf Counting, June 2006
• Cold Injury of Corn, May 2005
• Emergence and Spacing
• Frost Damage on Corn, June 1998
  • Update on Frost Damage, June 1998
• Multi-Colour Corn, June 2006
• No Nodal Roots? June 2007
• Purple Corn! Why Does it Occur? May 2007
• Prevalent Purple Plants Possibly Puzzle Producers, May 2008
• Time for Field Detective Work, July 2005

Mid Season Growth and Development

• Assessing the Impact of Hot, Dry Weather on Pollination in Corn, July 2005
• Help Determine What Causes Blunt Ear Syndrome, August 2008
• Corn Canopy Formation - the Implications, June 2006
• Estimated Grain Yield Loss Due to Defoliation - Table 3-29
• "Good" Stress or "Bad" Stress, June 2007
• Hail Damage In Corn - What About Fungicides? July 2008
• Hail Damage on Soybeans and Corn , June 2008
• Other Problems
• Recovery from Hail Damage to Young Corn, June 2006
• What Happens Within the Corn Plant Under Dry Conditions? July2005
• Yield Makers and Breakers, August 2001

Late Season Growth and Development

• Corn Maturity and Heat Units

Tillage

• 2008 Corn-On-Corn Considerations, November 2007
• 9 Tips on Managing Soil Compaction, March 2003
• Defensive Diesel Fuel, March 2005
• Have Wheat, Need Tillage, How Much, Oct 2002
• Making Corn After Corn Work, July-August 2006
• Rut Recommendations, Nov 2003
• Soil Management
• Soil Compaction, Sept 2006
• Soil Protection in 2007 Jul-Aug 2007
• A Soil Remediation Project - Follow Up 13 Years Later, Sept 2005
• The Threat of Deep Compaction Nov 2001
• Tillage
• Tillage Impacts in a Big Corn Year, March 2006
• Tracking Down The Solution To Soil Compaction, Dec 2004

Hybrid Selection

• 2008 Hybrid Corn Performance Trials
• 2007 Hybrid Corn Performance Trials
  • 1987 - 2008 Corn Hybrid Selector
• 25 Years of Corn Yield Improvement, July-Aug 2008
• Corn Hybrid Selection Critical in Minimizing Disease Losses, Nov 2006
• Herbicide Tolerance and Yield, Feb 2004
• Hybrid Selection
• Hybrids Can Make a Difference When it Comes to Corn Leaf Diseases! August 2008
• Listing of European Union Unapproved Corn Hybrids Commercially Available in Canada, May-June 2006
• Tillage Impacts in a Big Corn Year, April 2006
• Tips for Assessing Corn Hybrid Demonstration Plots, Oct 2006
• What’s in a Number? Nov 2007
  
  • Delving into the Data, Nov 2007

Fertility

• Corn Nitrogen Application - Assessing Potential Loss, March 2009
• Cover Crops and Nitrogen - Can I Capture Some Nitrogen for Next Spring? August 2008
• Coping with Fertilizer Logistics in 2007, May 2007
• Death to Corn Planters With Dry Fertilizer!? Sept-Oct 2007
• Don’t Guess…..Soil Test! Sept 2005
• Fertilizer, Fall or Spring? Nov 2008
• Fertilizer Application - Fall or Spring? September 2004
• Fertilizer is Expensive…How Much Less Should I Use? March 2006
• Is That Fertilizer a Good Deal? Nov 2008
• Nutrient Value of Wheat Straw, May 2007
• OMAFRA Fertilizer Recommendation Tables
• Plan Your Fertilizer Program! Nov 2001
• Plant Analysis
  • Plant Analysis in Today's Agriculture, July 2006
• Secondary and Micronutrients
  • Micronutrient Management, Feb 2004
• Soil Fertility and Nutrient Use
• Soil Fertility Handbook (Publication 611)
• Soil Testing Myths, Sept 2008

Nitrogen

• Considered Yet How to Fertilize the 2007 Corn Crop? Nov 2005
• Cost Effective Nitrogen Rate Adjustments, April 2006
• Does Wet Weather Equal Lost Nitrogen? June 2004
• Fertilizer Strategies For Expensive N, March 2003
• Greenhouse Gas Mitigation (aka: Improved Nitrogen Use Efficiency) July 2004
• Growing Corn with Less Nitrogen, March 2005
• High Prices and High Yields = More Nitrogen? Feb 2007
• Nitrogen
• Nitrogen Calculator
  • The Corn Nitrogen Calculator, May 2007
  • Nitrogen Calculator - Excel Version
  • New OMAFRA General Recommended Nitrogen Rates for Corn:
    The Ontario Corn N Worksheet - ( PDF )
• N Rates Compared by Corn Producers in 2007, May-June 2008
• Nitrogen Applied in the Skip-Row Pattern, March 2002
• Nitrogen Management: 1.2 For Who? March 2004
• Pound for Pound Nitrogen Management, Nov 2005
• Sidedressing Nitrogen in Corn: Profit or Pain? December 2007
• Target Maximum Economic Corn Production and Get Environmental Sustainability as a Bonus! July 2005
• Three Years of Nitrogen Plots – What Can Nitrogen Rate Strips Do For You? March 2003

Phosphate and Potash

• Making the Most of Potash Applications, March 2005
• Phosphate and Potash
• Potash Basics Revisited, Sept 2009
• Starter Fertilizers For Corn - “Old- Fashioned Goodness”, April 2002
• Which Corn Starter - Liquid or Dry? March 2004

Manure

• Available Nutrients and Value for Manure from Various Livestock Types October 2008
• Does Manure Have a Place in the Sulphur Debate? June 2006
• Fine-Tuning Manure Application, March 2002
• 'Aromatic Gold' - How to Take a Sample to Determine Value of Manure, Nov 2008
• In Crop Manure Applications, Nov 2003
• Manure Applications Compared, Dec 2006
• Manure Nitrogen Credits Simplified, March 2008
• Manure - Curse or Resource? Depends on the Fall Conditions! Nov 2007
• Maximizing Manure Value! Jan 2002
• Potash - The Other Macro-Nutrient in Manure, November 2004
• Sidedressing Liquid Manure in Corn, Sept 2005
• The Scoop on Manure, March 2004
• Weed Seeds & Manure, Nov 2006
• Winter Manure Application? Feb 2002

Harvest and Storage

• Increasing Accuracy of DON Measurement In Grain Corn, Sept 2009
• Approximate Test Weights and Moisture Contents for Trade of Commercial Grains
• Are Your Grain Bins Ready for Winter? Jan 2002
• BMR Corn Silage, Sept 2007
• Buchneri Inoculants to Improve Corn silage Bunk Life
• Combine Cleaning Procedure, Sept 2008
• Corn under 20% Moisture - Now What? Oct 2005
• Dealing with Low Test Weight Corn, Nov 2003
• Drying Costs Versus Yield Loss, November 2004
  
• Grain All Cozy by Christmas November 2004
• Grain Drying and Rising Fuel Costs, Sept 2005
• Grazing Corn Stover, Sept 2006
• Harvesting and Storage
• Harvest Tips for Moldy Corn! Oct 2006
• Packing & Covering Bunker Silos, June 2003
• Natural Air Corn Drying Systems (Order No. 86-066)
• Strategies to Minimize Risks of GMO Contamination, June 2004
• Storing Borderline Maturity Corn, Dec 2003
• Storing Grain in Bins
• Table For Converting Wet Kilograms of Grain Corn to Dry Tonnes, Jan 2005

Diseases

• Common Diseases of Corn in Canada
• Crop Rotation - Best Way of Keeping Diseases Off Balance! March 2001
• DNA Multiscan - New Diagnostic Test for Multiple Pathogens, July 2007
• Integrated Pest Management Options: Corn
• Minor Use Program
• Pesticide Information
• Precautions With All Pesticides
• Scouting Calendar

Seedling Diseases

• Seedling Diseases
• Early Season Diseases, May 2007
• Cold Backwards Spring Ideal for Soil pests, May 2008

Leaf Diseases

• Anthracnose
• Bacterial Leaf Blight or Wilt (Stewart's Wilt)
• Common Rust
  • Corn Rust Early This Year! July 2008
• Common Smut
• Eyespot
• Grey Leaf Spot
• Northern Leaf Blight
• Stewart’s Wilt of Corn – “The Tale of Two Models”, April 2007
• Hybrids Can Make a Difference When it Comes to Corn Leaf Diseases! August 2008
• In search of a strategy, January 2009
• Corn Leaf Diseases Looking for Attention, Sept-Oct 2006

Stalk Rots

• Anthracnose Stalk Rot
• Gibberella, Fusarium and Diplodia Stalk Rot
• Pythium Stalk Rot
• Stalk Rots
• New Cyst Nematode Species Found on Corn, August 2007

Ear Rots and Moulds

• Diplodia Ear Rot
• Ear Rot or Moulds
• Fusarium Ear Rot
• Gibberella Ear Rot
  • Gibberella and Fusarium Ear Moulds, Oct 2005
• Identifying Corn Ear Molds, Oct 2006
• Corn Ear Moulds and Mycotoxins: Update, Nov 2006
  

Mycotoxins

• A Good Mycotoxin Test Begins with a "Representative" Sample! Oct 2006
• Determine Your Ear Rot Disease and Mycotoxin Risk, Now! Oct 2006
• Harvest Tips for Moldy Corn! Oct 2006
  
• Laboratories Offering Mycotoxin Analysis, Oct 2006
  
• Rating Disease in the Field May Help in Indicating Mycotoxin (DON) Potential, Oct 2006

Insects

• Integrated Pest Management Options: Corn
• Scouting Calendar
• Symptoms in the Field
• The Summer for Insects - Scout your Fields! July 2007

Root Feeding / Soil Insects

• Critters in the Soil Taking Out the Crops, May 2007
• Cold Backwards Spring Ideal for Soil pests, May 2008
  
• Corn Rootworm
• Corn Rootworm Adults Active, July 2007
• Time for Post-Season Monitoring of Corn Rootworm, Nov 2006
• Bt Corn for Rootworm Brings Changes in Refuge Requirements, Jan 2004
• Western Corn Rootworm Feeding Behavior on a Gransgenic Hybrid Described in Detail, June 2006
• European Chafer (White Grubs)
• Insecticide Seed Treatments - Which fields should they go in? April 2006
• Pest of the Week - White Millipedes? May 2006
• Seedcorn Beetle
• Seedcorn Maggot
• Wireworms

Leaf Feeding Insects

• Corn Leaf Aphids
• True Armyworm
  • Coming Soon - Armyworm and Black Cutworm Feeding, May 2008
• Fall Armyworm
• Black Cutworm
  • Black Cutworm the Next Problem, June 2006
  • Cutworm a Potential Concern, May 2007
• A New Pest Heading This Way - Western Bean Cutworm, June 2008
• Western Bean Cutworm Trap Counts in Blyth a Concern , August 2008
• More Western Bean Cutworm Moths Captured , July 2008
• Western Bean Cutworm Numbers High in Michigan , July 2008
• Western Bean Cutworm Moth Captured in Ontario, July 2008
• Corn Flea Beetles
  • Stewart’s Wilt of Corn – “The Tale of Two Models”, April 2007
• Potato Stem Borer
• Slugs
  • Scouting for Slugs This Fall Will Help Predict Spring Problems, Nov 2006
  • Wet Weather Increases Risk for Slug Damage, May 2006
  • Slugs will be Active Soon, May 2007

Stalk Boring Insects

• Growing Degree Days Indicate Potential Corn Borer Activity, June 2006
• European Corn Borer
• European Corn Borer Economic Threshold Calculations

Ear and Kernel Feeding Insects

• Corn Earworms (Order No. 95-065)
• Corn Earworm
• Insect Management for Farm-Stored Grain
• Stored Grain Insects

Bt Corn and Insect Management

• Bt Refuge is More Important than Ever! April 2007
• A GROWER’S HANDBOOK Controlling Corn Insect Pests with Bt Corn Technology
• Bt Corn for Rootworm Brings Changes in Refuge Requirements, Jan 2004
• Bt Corn Needs a Refuge! April 2008
• Changes to Bt Corn Refuge Requirements, May-June 2006
• ECB Scouting Procedure for Bt -corn Hybrids and Refuge in Canada set by the Canadian Corn Pest Coalition
• Latest Bt Refuge Compliance Study Indicates Technology Well Protected

Weeds

• Guide to Weed Control (Publication 75 - Order No. 75)
  • Chapter 9 - Corn
  • Herbicide Ratings Tables (Table 9-1) (PDF file - 214kb)
  • New Herbicides for Field Crops
• A Flexible Approach to Weed Control, Feb 2008
• Ammonium Sulphate (AMS) and Glyphosate, Sept 2002
• Avoid Getting Burned by Herbicide Residues, June 2005
• Controlling Alfalfa in Minimum Till Cropping Systems, Sept 2008
• Guidelines for Fall Weed Control, Sept 2005
• Environmental Conditions Have Greatest Impact on Crop Injury from Herbicides - Why reading the herbicide label matters, April 2007
• End of Season Weed Scouting, Nov 2007
• Fall Weed Management Wrap-Up, Nov 2008
• Heat and Herbicides: Managing Post-emergent Applications in Corn, June 2005
• Herbicide Mode of Action Categories (Order No. 00-061)
• Herbicide Injury
• Herbicide Injury
• Improving Weed Control, Feb 2002
• Impact - a New Corn Herbicide for Ontario, May 2007
  
• Integrated Weed Management - The Book, July 2005
• Is There Value in Using Residual Herbicides in Roundup Ready Corn? May 2008
• Keeping Good Spray Records, May 2007
• Low Cost Herbicide Programs For Field Corn Strengths And Weaknesses, April 2005
• Minimizing Weed Control Costs in Field Corn, March 2005
• Mechanical Weed Control, March 2004
• One Pound Power, Feb 2003
• Organic Weed Control: Many Little Hammers! Jan 2002
• Ontario Weeds - Weed Gallery
• Option 1,2,3 - a New "One Pass" Corn Herbicide for Ontario, May 2007
• Poor Herbicide Performance? Reasons for Poor Weed Control, Jan 2002
• Problem Weeds
• Problem Weed Control in Field Crops
• Re-Spraying Failed Herbicides, June 2005
• Research Profile: Grassy Weed Control in Grain Sorghum, Sept 2007
• The Odd Couple: Round-Up Ready Seed Corn and Conventional Herbicides, April 2007
• Weed Control
• Weed Control 2006: Profitable Versus Pretty, April 2006
• Weed Control Considerations in Corn, May 2006
• Weed control timing in corn, April 2009
• What's New in Weed Control? March 2003
• "Weird Weeds" Questions and Answers, May 2007
• Basics of Weed Management
• Application Technology
• Precautions With All Pesticides

Herbicide Resistance

• Glyphosate Resistance...Thinking Ahead, March 2005
• Field Scouting Will Help Prevent Glyphosate Resistance, June 2004
• Herbicide Resistant Weeds (Order No. 01-023)
• How Much Are Herbicide Resistant Weeds Costing You? November 2002
• Resistant Weeds! Jan 2002
• Resistance to Group 2 Herbicides in Foxtails in Ontario, June 2005

Drift

• Field Sprayer Calibration (Order No. 88-129)
• Could it Get any Worse? May 2008
• Go Fly a Kite! May 2008
• How Much Wind Makes it Too Windy to Spray? May 2005
• Reducing Pesticide Drift and Crop Damage (Order No. 88-118)
• Spraying with Greenhouses Nearby, May 2005
• Wind Idiots, May 2007

  ---

  Newsletters

Resources and Services

• Agriculture Development Advisory Staff
• Crop and Pest Updates
• Accredited Soil Testing Labs
• Sources of Crop Inputs
  • Cover Crop Seed Suppliers
  • Safety Supply Companies in Ontario Providing Protective Clothing or Respiratory Devices
  • Sources of Agricultural Limestone For Ontario

Stats and Facts

• Ontario Field Crops Research & Services Committee (OFCRSC)
  • State of the Industry Report
• Ontario Field Crops Statistics

  ---

  Crops Updates

  • Canadian Grains and Oilseeds Outlook
  • CropPest Ontario newsletter
  • Crop and Pest Updates
    • Crops Updates (Cropline) 1-888-449-0937
    • Subscribe to OMAFRA Podcasts
    • Subscribe to Agriphone Messages
  • Ontario Field Crop Report
  • Sound Advice - Audio Crop Updates
  • What's Hot - Corn

  ---

  Links

  • Canadian Corn Pest Coalition
  • Gocorn.net
  • other external links

  ---

  Related Topics

  Corn Information CropPest Ontario newsletter Crops Updates (Cropline) Diagnostic Service Factsheets & Infosheets Labs for Soil Analysis Labs for Leaf Analysis Labs for Feed Testing OMAFRA Newsletters Related Newsletters Soil Management Soil Fertility and Crop Nutrition Soil Maps and Reports Sources of Crop Inputs Links: Corn

  Other Crop Features Conferences & Meetings Crop Advisory Staff Crop and Pest Updates Crops Links Other Contacts Resources & Services Stats & Facts What's Hot

  Other Topics Business Development Engineering Environmental Management Interactives Research The Metric System