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A Geographical Look at Weed Issues

September 28, 2013
By: Sara Schafer, Farm Journal Media Business and Crops Editor

What weeds should you be worried about in your fields? An early August Farm Journal Pulse provides some insight. More than 1,500 farmers shared their weed challenges, answering the question: What is your most significant weed problem?

Waterhemp tops the list, closely followed by marestail/horseweed and then ragweed.

pulse pie

Aaron Hager, University of Illinois Extension weed scientist, says certain weed species tend to thrive better in certain environments, whereas other species seem to adapt to a very broad range of landscapes.

Additionally, weed species can quickly expand their footprint. "The introduction of a new weed species into an area where it had not previously occurred can happen as easily as someone inadvertently depositing seed that had attached to their clothing when they visited a field where the species was present," he says. "Long-distance seed movement is of great concern and is an excellent mechanism by which species move from region to region."

To see a full listing of past Farm Journal Pulse polls and to sign up to participate in the survey, visit

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FEATURED IN: Farm Journal - October 2013
RELATED TOPICS: Weeds, Farm Journal Pulse

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