Strategies to win the war on weeds
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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