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In agriculture, dried feed .
Typical hay crops are timothy , alfalfa , and clover . Usually the material is cut in the field while still green and then either dried in the field or mechanically dried by forced hot air. Balers compress hay into tightly packed rectangular or cylindrical bales tied with wire or twine. Loose hay may also be "vacuumed" off the field and then blown into stacks in a barn or other storage facility. Properly cured hay with 20% or less moisture may be stored for months without danger of spoilage.
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[c mediumvioletred] (as used in expressions)
hay fever
Hay John Milton
Whitney John Hay
Sulzberger Arthur Hays
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