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Published online 1 March 1977
Published in Agron J 69:331-332 (1977)
© 1977 American Society of Agronomy
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Modification of a Hay Baler for Applying Organic Preservatives to High Moisture Hay1

J. H. McNemar, C. C. Sheaffer and N. A. Clark2

In much of the United States the limiting factor in making good quality hay is the amount of time required for hay curing. The object of this research was to modify a conventional twine-tie baler to apply liquid preservatives to high moisture hay in order to decrease field drying times.

Alfalfa-timothy (Medicago saliva L. — Phleum protense L.) hay was field treated with ammonium isobutyrate using a modified baler equipped with nozzles, pump, and storage tank. The preservative was applied at rates of 1.5, 2.0, and 3.0% to hay with an average moisture content of 39% with a range of 36 to 50%. All applied rates of preservative reduced storage temperatures. The baler modifications allowed for effective application of an organic preservative under field conditions.

Key Words: Ammonium isobutyrate • Hay drying time

1 Contribution No. 5230 and Scientific Article No. A-2241 of the Maryland Agric. Exp. Stn., Dep. of Agron., Univ. of Maryland, College Park, MD 20742.

2 Research technician, graduate assistant, and professor of Agronomy, respectively.

Received for publication August 28, 1976.




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Copyright © 1977 by the American Society of Agronomy.