UNL Pasture and Forage Minute Archive

Grass Tetany by Ben Beckman

Fresh spring growth is welcomed by all who are producers looking for animal forage, although fresh spring growth can bring up grass tetany, Grass tetany is the result of low levels of magnesium in an animal’s bloodstream. To prevent tetany problems this spring, it’s best to wait till grass in pastures has grown to at least 6 inches high before grazing. Dealing with grass tetany in the spring doesn’t have to negatively impact your herd. Plan now to adjust grazing management or mineral supplementation for a tetany-free spring. Click here to learn more ways to prevent grass tetany.

Controlling Winter Annual Weeds by Brad Schick

When even a little moisture is available, weeds in our alfalfa fields take off. Before our alfalfa greens up and breaks being in a dormant state, try and eliminate those weeds. Excessive weeds will also increase dry-down time, lengthening harvest time, and increasing the chance for precipitation on cut hay.Before applying any herbicide, check to make sure these weeds are actually causing economic damage to the alfalfa. Winter annuals can quickly take over portions of a hay field and once that happens more labor-intensive drastic measures will have to be taken in order to reclaim the alfalfa potential. Know the purpose of your alfalfa. If quality is not needed, herbicides may not be needed either.In any case, timing is essential. Control winter annuals before alfalfa come out of dormancy and before they become a problem. Click here to read more

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