Tag Archives: Undersander

Harvesting alfalfa after frost

Harvesting alfalfa after frost Dan Undersander, Forage Agronomist, University of Wisconsin Regarding questions about frost on alfalfa the following pieces of information should be kept in mind: Has the alfalfa has really frozen? – this requires 4 or more hours … Continue reading

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Heaving in Alfalfa Fields

Heaving in Alfalfa Fields Dan Undersander, Forage Agronomy Extension Specialist Heaving is problem in some alfalfa stands each year in the Midwest. Heaving occurs on heavy soils that have high moisture contents. Repeated freezing and thawing causes soil expansion and … Continue reading

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Photosensitization of Sheep and Goats from Switchgrass hay

Photosensitization of Sheep and Goats from Switchgrass hay Dan Undersander, Extension Forage Agronomist I have had a couple reports of photosensitization of sheep from feeding switchgrass hay. After feeding the hay a week or two, the sheep started exhibiting extreme sensitivity … Continue reading

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