TEXT:                            Barnes, R.F., C.J. Nelson, M. Collins, and K.J. Moore.  2003.  Forages: An introduction to grassland agriculture (6th ed.).  Iowa State Press, Ames.

Barnes, R.F., D.A. Miller, and C.J. Nelson.  1995.  Forages: Volume II, The science of grassland agriculture.  Iowa State Univ. Press, Ames.

Smith, D. 1985.  Forage management in the North (5th edition).  Kendall/Hunt Publishing Company, Dubuque, Iowa.

REFERENCES:           1.       Fahey, G.C., M. Collins, D.R. Mertens, and L.E. Moser.  1994.  Forage quality, evaluation, and utilization. ASA-CSSA-SSSA, Madison, WI.

2.       Hanson, A.A., D.K. Barnes, and R.R. Hill, Jr.  1988.  Alfalfa and alfalfa improvement.  Agronomy 29:1-1084.

3.       Horrocks, R.D., and J.F. Vallentine.  1999.  Harvested forages.  Academic Press, San Diego, CA.

4.       Jung, H.G., D.R. Buxton, R.D. Hatfield, and J. Ralph. 1993.  Forage cell wall structure and digestibility.  ASA-CSSA-SSSA, Madison, WI.

5.       Moser, L.E., D.R. Buxton, and M.D. Casler.  1996.  Cool-season forage grasses.  ASA-CSSA-SSSA, Madison, WI.

6.       Roth, G., and D. Undersander.  1995.  Corn silage production, management, and feeding.  ASA-CSSA-SSSA, Madison, WI.

7.       Undersander, D., N. Martin, D. Cosgrove, K. Kelling, M. Schmitt, J. Wedberg, R. Becker, C. Grau, J. Doll, and M.E. Rice.  1994.  Alfalfa management guide.  North Central Regional Ext. Pub. NCR547.