As our weather warms, alfalfa producers are reminded to eliminate weeds in their fields before plants break dormancy. Herbicides for controlling winter annual weeds such as pennycress, mustards and shepherd's purse should be applied before alfalfa regrowth reaches 2 inches of height. If alfalfa shoots are green when sprayed, its growth may be set back a couple weeks.
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Dormant spraying alfalfa weeds
Researchers at the University of Minnesota are working to help farmers offset losses caused by alfalfa winterkill. Annual ryegrass, with high yields and high nutritive value established consistently across study sites and years.
