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4-County Cooperative Weed Management Area

4-County Cooperative Weed Management Area

Cooperative Weed Management in Oregon and Washington

  • The Lobby
    • Why Invasives Are a Problem
      • Reduced Biodiversity/Increased Monoculture
        • Stormwater Infiltration
        • Forest Failure
      • Economic Loss
      • Erosion
      • Human Health
    • Why the Landscape Matters
      • We’re Urban
      • We’re Rural
      • We’re Forested
    • What Management Looks Like
    • Why Collaboration Is Important
    • Our Memorandum of Understanding
    • Our Partners
    • Our Management Plan
    • Our 4-County Map
  • The Latest Dirt
  • Events
    • 2023 Field Day
    • CWMA Calendar
    • 2023 Pull Together
  • Invasive Plant Information
    • Integrated Weed Maintenance Calendar
      • Western Invasives Network Interactive IPM Calendar
    • Weed Management Fact Sheets
      • Hojas Informativas de Plantas Invasivas
    • Best Management Practices
      • American Pokeweed
      • Canada Thistle
      • Cutleaf/Himalayan Blackberry
      • False Brome
      • Garlic Mustard
      • Giant Hogweed
      • Hawkweeds
      • Indigobush
      • English, Irish, and Persian Ivy
      • Lesser Celandine
      • Old Man’s Beard
      • Knotweeds
      • Meadow Knapweed
      • Puncturevine
      • Reed Canarygrass
      • Rush Skeletonweed
      • Scotch Broom
      • Spurge Laurel
      • Tansy Ragwort
      • Tree of Heaven
      • Water Primrose
      • Yellow Archangel
    • Weed Identification and Control Websites
      • CDFA Encycloweedia
      • USDA/NRCS Introduced, Invasive, and Noxious Plants
      • King County Noxious Weed Identification and Control
      • Oregon Invasive Species Council
      • ODA Noxious Weed Profiles
      • OPB The Silent Invasion
      • OSU Herbarium- Oregon State University
      • Washington State Noxious Weed Control Board
    • Printable Guides to Weed Identification & Control
  • Our Committees
    • Steering
    • Education and Outreach
    • Mapping and Data
      • Priority Weed Coordination
      • Call-for-Data Weeds
      • Reporting & Sharing Your Weed Data
      • Invasive Plant Data Standards
      • Data Sharing Contest Entry 2022
    • Technical and Scientific Review
  • Seed Bank
    • Past Events
      • Pull Together
        • 2012 Pull Together
        • 2013 Pull Together
        • 2014 Pull Together
        • 2015 Pull Together
        • 2016 Pull Together
        • 2017 Pull Together
        • 2018 Pull Together
        • 2019 Pull Together
        • 2020 Pull Together
        • 2021 Pull Together
        • 2022 Pull Together
      • Portland Spring Home & Garden Show
        • 2019 Portland Spring Home & Garden Show
      • Garlic Mustard Working Group
        • 2014 Garlic Mustard Working Group
        • 2015 Garlic Mustard Working Group
        • 2017 Garlic Mustard Working Group
        • 2018 Garlic Mustard Working Group
        • 2021 Garlic Mustard Working Group
      • Herbicide Forum
        • 2013 Herbicide Roundtable
        • 2014 Herbicide Roundtable [March]
        • 2015 Herbicide Forum
    • Past Meetings
      • General Meetings
      • Steering Committee Meetings
      • Education & Outreach Committee Meetings
      • Mapping & Data Committee Meetings
      • Technical & Scientific Review Committee Meetings
  • How to Help
    • Support the CWMA
    • Member Packet

2014 Herbicide Roundtable

Presentations

Herbicide Toxicity & Current Issues

Factors affecting the choice of aquatic surfactants

Meeting Notes

Notes_Herbicide Roundtable 2014

 

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Questions? Contact us

info@4countycwma.org

503-210-6015

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