Forced-air drying of baled alfalfa hay

B. F. Parker, G. M. White, M. R. Lindley, R. S. Gates, M. Collins, S. Lowry, T. C. Bridges

Research output: Contribution to journalArticlepeer-review


Small rectangular bales of alfalfa were successfully dried using two forced-air drying systems with heat from LP gas, solar energy (with off-peak electricity on some tests) or ambient air, and with average dry matter densities of alfalfa ranging from 80 to 166 kg/m3 (5.0-10.4 lb/ft3) with average moisture contents up to 37% (w.b.). The drying rates, pressure requirements for forced flow, psychrometric data, and hay quality before and after drying are reported. The data and a developed ″drying parameter″ for small rectangular alfalfa bales provide guidance for design of baled hay dryers.

Original languageEnglish (US)
Pages (from-to)607-615
Number of pages9
JournalTransactions of the American Society of Agricultural Engineers
Issue number2
StatePublished - Mar 1992

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)


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