Forage-dairy systems for the Northeast - A modeling approach
Partenheimer, E.J., Knievel, D.P.
Forage-dairy systems for the Northeast - A modeling approach - Pennsylvania 1983 - 27 p. - No. 845; Pennsylvania Agricult .
Forage-dairy systems for the Northeast - A modeling approach - Pennsylvania 1983 - 27 p. - No. 845; Pennsylvania Agricult .