What Is a Weed? Not everyone agrees on which plants are weeds, or what to do about them. Not all weeds need to be eradicated.

By Krishona Martinson, University of Minnesota Extension There are 11 primary noxious weeds in Minnesota, and they must be controlled on all private and public land. They’re on the noxious ...

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a ...

Nodding thistle is a biennial weed, typically establishing in autumn in pastures that have been damaged by drought over summer. In autumn with the first substantial rainfalls, as there is bare soil, ...

Scotch thistle is the most common thistle species in New Zealand with spines on both the leaf surface and margins. Scotch thistle is a biennial weed, so it depends quite heavily on the establishment ...

Ag News Wire By Gary Wyatt, University of Minnesota Extension natural resource management educator Animal pastures and Conservation Reserve Program (CRP) fields are continually stressed with a ...

Weeds that emerge before the crop are generally larger and better established than those that emerge after the crop. This gives them greater access to soil and spatial resources, and thus they do more ...

Canada thistle differs from other species of the true thistle in that there are male and female flower heads, and these are on separate plants. By asexual reproduction, it is possible that a colony of ...

Koochiching County officials added noxious weeds to the annual Minnesota Agricultural Department commissioner’s order. County officials also added the following noxious weeds, which are a control ...

This is especially effective on weeds with short dormancy periods, such as kochia, goat’s beard, hare’s ear mustard, Indian mustard, Russian thistle, cow cockle, green foxtail, downy brome, wild ...