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 |

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What is NEW in CORN

• A New Pest Heading This Way - Western Bean Cutworm, June 2008
• Is There Value in Using Residual Herbicides in Roundup Ready Corn? May 2008
• Coming Soon - Armyworm and Black Cutworm Feeding, May 2008
• Cold Backwards Spring Ideal for Soil pests, May 2008
• Go Fly a Kite! May 2008
• Could it Get any Worse? May 2008
• N Rates Compared by Corn Producers in 2007, May-June 2008
• ON Organic, May 2008
• Prevalent Purple Plants Possibly Puzzle Producers, May 2008
• Weather Summary, June 2008

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
• Weather Weenies We Are! June 2006
• 2006 - A Year in Review, Jan 2007
• 2007: The Season That Could Have Been , January 2008

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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 )
• 2008 Field Crop Budgets (Publication 60)
  • 2008 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

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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
• Corn Canopy Formation - the Implications, June 2006
• Estimated Grain Yield Loss Due to Defoliation - Table 3-29
• "Good" Stress or "Bad" Stress, June 2007
• 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 and Fertilizer Use
• 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 Systems
• Tillage Impacts in a Big Corn Year, March 2006
• Tracking Down The Solution To Soil Compaction, Dec 2004

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Hybrid Selection

• 2007 Hybrid Corn Performance Trials
• 2006 Hybrid Corn Performance Trials
  • 1987 - 2007 Corn Hybrid Selector
• Corn Hybrid Selection Critical in Minimizing Disease Losses, Nov 2006
• Herbicide Tolerance and Yield, Feb 2004
• Hybrid Selection
• 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

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Fertility

• 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 Application - Fall or Spring? September 2004
• Fertilizer is Expensive…How Much Less Should I Use? March 2006
• 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 Management and Fertilizer Use
• Soil Fertility Handbook (Publication 611)

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
• 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 (imperial) Metric
• Does Manure Have a Place in the Sulphur Debate? June 2006
• Fine-Tuning Manure Application, March 2002
• 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

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Harvest and Storage

• 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
• 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

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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
• Common Smut
• Eyespot
• Grey Leaf Spot
• Northern Leaf Blight
• Stewart’s Wilt of Corn – “The Tale of Two Models”, April 2007
• Corn Leaf Diseases Looking for Attention, Sept-Oct 2006

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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

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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)
• Garden Symphylans, Millipedes, Cutworms, Armyworms...and the list goes on and on! May 2006
• Insecticide Seed Treatments - Which fields should they go in? April 2006
• Pest of the Week - White Millipedes? May 2006
• Seedcorn Beetle
• Seedcorn Maggot
• Wireworms
  • What Is Your Wireworm Risk?, April 2006

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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
• 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

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Stalk Boring Insects

• Growing Degree Days Indicate Potential Corn Borer Activity, June 2006
• European Corn Borer in Field Corn (Order No. 97-021)
• European Corn Borer
• European Corn Borer Economic Threshold Calculations

Ear and Kernel Feeding Insects

• Corn Earworms (Order No. 95-065)
• Corn Earworm
• European Corn Borer in Field Corn (Order No. 97-021)
• Sap Beetles
• 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

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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
• 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
• Heat and Herbicides: Managing Post-emergent Applications in Corn, June 2005
• Herbicide Mode of Action Categories (Order No. 00-061) Order this Factsheet
• 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? Timing! March 2002
• Weed Control 2006: Profitable Versus Pretty, April 2006
• Weed Control Considerations in Corn, May 2006
• 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

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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

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Newsletters

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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

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Stats and Facts

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

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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

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Links

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

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Related Topics

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