Forage dairy systems for the North East - A modeling approach
Partenheimer, E.J., Knievel, D.P.
Forage dairy systems for the North East - A modeling approach - Pennsylvania 1983 - 27 p. - No. 845; Pennsylvania Agricult .
633.2/.3:637
Forage dairy systems for the North East - A modeling approach - Pennsylvania 1983 - 27 p. - No. 845; Pennsylvania Agricult .
633.2/.3:637