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Agronomic Crops Network

Ohio State University Extension

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Weeds

Agronomic weed management Topics

Weeds are one of the most yield limiting factors in crop production. The presence of weeds limits yield potential as a result of competition with the cash crop for resources such as nutrients, water and light. Below are resources helpful for planning management of weeds in agronomic crops including corn, soybeans, small grains, forages and pastures.

Herbicide Evaluation Trial Results Weed Control Guide for OH, IL & MO
Ragweed Control Herbicide Classification Chart
Pigweed Control Cover Crop Fact Sheet Series
Marestail Control Pigweed ID Fact Sheet
Weed Identification Waterhemp Fact Sheet
Digital Books Crop Protection Network
Soybean Preharvest Survey Data Take Action Network
Endangered Species Act OSU Weed Science YouTube
Fact Sheets War Against Weeds Podcast

 

 

 

 

 

 

 

 

For more information on weed identification and management, check out the → OSU Weed Management Website

C.O.R.N. Newsletter Articles

  1. Weeds University Graphic

    Fall 2024 Regional Weeds University

    Author(s): Sarah Noggle , Author(s): Alyssa Essman

    OSU Extension invites crop producers, CCAs, and agribusinesses to attend a regional at the Fall 2024 Ohio State Weeds University on Thursday, November 21, 2024, from 9:00 am to 4:00 pm. The program will take place at locations across the state. Locations include Darke, Highland, Sandusky, Licking, Paulding, and Mahoning counties. This program is designed to keep agronomic crop producers on the cutting edge of weed control for their operations.

    Issue: 2024-39, Issue: 2024-37

  2. Upcoming Dicamba Cutoff Reminder

    Author(s): Alyssa Essman

    There has been much uncertainty regarding the use of dicamba for the 2024 growing season and beyond as a result of the vacated dicamba registration in February and the EPA’s existing stocks orde

    Issue: 2024-20

  3. 2023 Weed Science Field Day July 12

    Author(s): Alyssa Essman

    The 2023 OSU Weed Science Field Day will be held on Wednesday, July 12th at the Western Ag Research Station in South Charleston, OH. Registration will start at 8:30 followed by a field tour. Studies can also be viewed at your own pace. Field day topics will include new corn and soybean products, waterhemp management, and cover crop trials. To register via email or for more information contact Alyssa Essman at essman.42@osu.edu.

    Issue: 2023-18
  4. Winter Annuals

    Early Spring Weed Identification

    Author(s): Alyssa Essman

    Winter annual, biennial, and perennial weeds are starting to become more noticeable up as fields green up across the state. Identification of these species can help in planning for spring burndown programs.  

     

    Issue: 2023-07

  5. Weeds University Set for Statewide Programs

    Author(s): Ken Ford , Author(s): Sarah Noggle

    OSU Extension invites crop producers, CCAs, and agribusinesses to attend a regional 2023 Ohio Weed University on Wednesday, March 1, or Friday, March 3 from 9:00 a.m. to 4:00 p.m. at locations across the state.

    Locations will include:

    Issue: 2023-04
More Newsletter Articles

Publications

  1. Ohio, Indiana and Illinois Weed Control Guide, Bulletin 789
    12/2020

    Ohio, Indiana and Illinois Weed Control Guide, Bulletin 789. Publication gives detailed guidance on weed control selections. Numerous tables by crop and application help producers select the best product option for their weed control situation. Hard copy and PDF available for purchase

More Publications
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