Publication 75 Guide to Weed Control:
Principles of Integrated Weed Management

Excerpt from Publication 75, Guide to Weed Control, Order this publication

Chapter 1 - Principles of Integrated Weed Management

1. Introduction
2. Non-Chemical Weed Control
3. Critical Period of Weed Control
   • Table A: Critical Periods for Weed Control in Field Crops
   • Table B: Critical Weed-free Period for Horticultural Crops
   • Table C: Percent yield loss in corn due to known populations of annual grass and broadleaf weeds that have emerged with the crop and been left uncontrolled.
   • Table D: Percent yield loss in soybean due to known populations of annual grass and broadleaf weeds that have emerged with the crop and been left uncontrolled.
4. Managing Weeds Resistant to Herbicides
• Table E: Herbicide Resistant Weed Populations Confirmed in Ontario (as of Nov. 2005)
5. Use of Chemicals to Control Weeds
6. Related Links

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Related Links

• Weeds in Ontario
• Pesticide Application and Safety
• Pesticide Companies and Agents
• OMAFRA Sprayer Calibration Calculator
• PMRA website
• OMAFRA Publication 505: Ontario Weeds
• OMAFRA Publication 75: Guide To Weed Control

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