Tag Archives: Undersander

Managing Rained-on Alfalfa for Haylage

Dan Undersander, Forage Agronomist, University of Wisconsin Much forage is being rained on.  The following factsheet may be helpful.

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Hay Desiccants and Preservatives

Dan Undersander, UW-Extension Forage Agronomist Hay preservatives can reduce the spoilage and heating losses from hay baled wetter than optimum. First, it is important to recognize that two totally different types of products with different modes of action are sold: one … Continue reading

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Cutting Alfalfa Very Frequently

Dan Undersander, UW-Extension Forage Agronomist There has been some interest in cutting alfalfa frequently to get very low fiber for dairy rations. We had a study in 2000 and 2001 where we compared 20 alfalfa varieties with and without wheel traffic. … Continue reading

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Clover Root Curculio

Dan Undersander, Damon Smith, Bryan Jensen UW Extension Clover root curculio damage is being observed is several parts of Wisconsin this year. It is an occasional insect pest on alfalfa, clovers and other legumes. Damage can be serious but usually is infrequent and … Continue reading

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Using Fungicides on Alfalfa for Dairy Production in Wisconsin

Damon Smith, Assistant Professor and Extension Field Crops Plant Pathologist, UW-Madison; Scott Chapman, Researcher, Departments of Plant Pathology and Entomology, UW-Madison; Bryan Jensen, Outreach Program Manager, Integrated Pest Management Program, UW-Madison; Greg Blonde, Agricultural Agent, UW-Extension, UW-Madison; Bill Halfman, Agricultural … Continue reading

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Assessing Alfalfa Stands

Dan Undersander Hopefully, most alfalfa will come through the winter in good shape.  However, there are some areas where alfalfa will show signs of injury or winterkill due to the lack of snow cover over winter.  We expect that winterkill … Continue reading

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2015 Agronomy Update Meetings

Joe Lauer, Corn Agronomist The Department of Agronomy will offer Crop Production and Management Meetings at eight locations during January of 2015. Joe Lauer, Dan Undersander and Shawn Conley will present the latest information on hybrid/variety performance, an analysis and … Continue reading

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The Cold Temperatures and Alfalfa

Dr. Dan Undersander, Forage Agronomist Concern always arises in cold periods over winter about the effect of the low temperatures on alfalfa winter survival. This is of concern because certainly the alfalfa plant will die if exposed to cold enough … Continue reading

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2014 Wisconsin Agronomy Update Meetings

The Department of Agronomy will offer Crop Production and Management Meetings at eight locations during 2014. Joe Lauer, Dan Undersander and Shawn Conley will present the latest information on hybrid/variety performance, an analysis and discussion of last year’s growing season, … Continue reading

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Sorghum and Sorghum-sudangrasses & Frost

Dr. Dan Undersander, Forage Agronomist Sorghum and sorghum-sudangrasses crosses may be poisonous if grazed or fed improperly.  The danger of prussic acid poisoning is greatest for forage sorghum varieties, less for sorghum-sudangrass crosses, and least for surdangrasses. The young, dark … Continue reading

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