Biblio
Journal Article
T. Downing, Sullivan, D. M., Hart, J. M., and Gamroth, M. J.,
“Manure application rates for forage production”,
Extension Service, Oregon State University, 2007.
J. M. Hart, Sullivan, D. M., Gamroth, M. J., Downing, T., and Peters, A.,
“Silage corn: western Oregon”,
Extension Service, Oregon State University, 2009.