Tag: Sarah Sommerfeld

Mitigating the Risk of Bloat in Fall-Grazed Alfalfa

If you’ve been wary when fall-grazing alfalfa because of the risk of nitrate poisoning, you’ve been right to be careful, but for all the wrong reasons. Because alfalfa is a perennial legume, nitrogen is fixed and stored in the nodules of its root system and doesn’t actually accumulate in the tissues (something that can be… Read more »

Managing Canada Thistle in Pastures

If Canada thistle is a headache in an annual cropping system, it’s a migraine in perennial crops, where control strategies tend to be expensive and rumours about what works and what doesn’t spread as quickly as the weed itself. Canada thistle is not only a prolific seed producer, it also proliferates through its creeping root… Read more »