GFM Network News

Marj Veno near Hanna, Alta.

Absinth. An obnoxious weed for pastures

As the rains of 2010 brought signs of an end to a battering 10-year drought, Marj Veno could see that absinth wormwood was getting the upper hand in pastures around the ranch’s home place northeast of Hanna, Alta. Absinth first reared its ugly yellow-flowered head in the pasture west of the yard on the old […] Read more

Producers can bale kochia along with a stunted wheat crop, an AAFC release notes.

Top 10 weed management practices

Herbicide resistant weeds are no longer a novelty, they’re the norm

Hugh Beckie, a research scientist with Agriculture and Agri-Food Canada, said it’s a challenge to get farmers to implement herbicide-resistance best management practices (BMP) because growers are diverse, and one size doesn’t fit all. But Beckie has found that growers who use BMPs tend to have less herbicide resistance. So, in the spirit of David[...]
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'High-intensity/low-frequency grazing produced the most forage and fewer thistles.' – Dr. Ed Bork, University of Alberta

To rejuvenate a pasture focus on legumes and weeds

High-intensity/low-frequency grazing was the most effective system for the grasses to remain competitive

Graeme Finn and his wife Heather rent 3,200 acres of pasture on long-term lease to graze 1,000 yearlings and their beef cow herd year round near Madden, Alta. They rely on intensive rotational grazing of high-legume and annual crop pastures so you can understand why each pasture was assessed for potential productivity before it was[...]
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Canada thistle isn’t a weed, it’s a plant that pops up to cover bare spots in overgrazed pastures.

Can Canada thistle be a remedy for overgrazing?

This 'pioneer species' may help maintain the soil surface

Of all the different species of forages that grow in my pastures, my favourite plant is the Canada thistle. It actually comes from southeastern Europe originally, so I am not sure how we Canadians got credit for it, but either way I’m proud to call it my own. Canada thistle is what I refer to[...]
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Persistence is needed to control common tansy (l) and scentless chamomile.

Common tansy and scentless chamomile love the wet

A string of wet years has created perfect conditions for common tansy and scentless chamomile to gain a foothold in pastures beyond their traditional stomping grounds. Both are prolific seed producers. Tansy yields up to 25,000 seeds per stem and one scentless chamomile plant produces anywhere from 300,000 to a million seeds a year. The[...]
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