Publication
Publication Type:
Report
Authors:
Schulte, L.A.;
Asbjornsen, H.;
Atwell, R.C.;
Hart, C.;
Helmers, M.;
Isenhart, T.;
Kolka, R.;
Liebman, M.;
Neal, J.;
O'Neal, M.;
Schultz, R.;
Secchi, S.;
Thompson, J.;
Tomer, M.;
Tyndall, J.
Source:
Iowa State University Extension, Iowa State University, Number PMR 1002, Ames, Iowa (2008)