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Strategies to win the war on weeds

Strategies to win the war on weeds
Weed size is an important issue to consider in controlling waterhemp and other problem weeds, Iowa State University field agronomist Meaghan Anderson said last week at a herbicide resistance management field day.

The strategy in the battle against herbicide resistant weeds is more important than ever — use herbicides with multiple modes of action and make timely applications, Iowa State University Extension field agronomists said last week at a field day in Story County.

The herbicide resistance de­­monstration plot tested dozens of herbicide and timing combinations to see which management strategies provided the best control. Overall, the best results were seen in plots where a pre-emergence herbicide was applied, followed by a timely...




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