Reducing Ash in Forage

Reducing Ash in Forage  Dan Undersander Forage Agronomist University of Wisconsin We haven’t paid much attention to ash until recently when we have begun using the summative equation to estimate energy of forage.  Now instead of estimating energy from acid detergent fiber most estimate energy from the following summative equation: Total digestible nutrients (TDN) = […]

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Minimizing Wheel Traffic Damage to Alfalfa

Minimizing Wheel Traffic Damage to Alfalfa Dan Undersander University of Wisconsin What damage is caused by wheel traffic? Wheel traffic is known to increase soil compaction which, on some soils, reduces macropore air permability, soil water infiltration and root development of alfalfa. All of which reduce yield. However, our research has indicated that the largest […]

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What to do with Spring Alfalfa Residue

What should I do with alfalfa residue from last fall on fields? Dan Undersander University of Wisconsin Many growers leave fall growth of alfalfa in the field rather than taking a late fall cutting to enhance winter survival and rate of spring greenup.  The stems from this fall growth remain in the spring and some […]

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How to Manage Hail Damaged Alfalfa and Red Clover

How to Manage Hail Damaged Alfalfa and Red Clover Dan Undersnder and Dan Wiersma Forage Agronomists University of Wisconsin Hail damage of alfalfa and red clover occurs in varying degrees of severity ranging from some terminal bud and leaf damage to completely defoliated plants.  Stands may also be lodged by accompanying wind and rain. Alfalfa and […]

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Heaving in Alfalfa Fields

Heaving in Alfalfa Fields Dan Undersander University of Wisconsin 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 contraction that pushes the tap-rooted plants (and fence posts) out of the soil. The need to […]

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ALFALFA CUTTING HEIGHT TO MAXIMIZE FORAGE YIELD AND QUALITY

ALFALFA CUTTING HEIGHT TO MAXIMIZE FORAGE YIELD AND QUALITY  Daniel W. Wiersma – Marshfield Agricultural Research Station Ron Wiederholt – UWEX – Clark County Extension University of Wisconsin Current recommendations regarding cutting height of alfalfa are designed to maximize yield while maintaining high quality forages and stand longevity. Forage growers frequently cut forages at a […]

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