by Oltmans‐Deardorff, Sheilah E., Fehr, Walter R., Shoemaker, Randy C.
Published in Crop science (01.01.2013)

by Uphoff, M.D, Fehr, W.R, Cianzio, S.R
Published in Crop science (01.07.1997)

by Hartmann, R.B. (Iowa State University, Ames, IA.), Fehr, W.R, Welke, G.A, Hammond, E.G, Duvick, D.N, Cianzio, S.R
Published in Crop science (01.01.1997)

by Horejsi, T.F, Fehr, W.R, Welke, G.A, Duvick, D.N, Hamond, E.G, Cianzio, S.R
Published in Crop science (01.03.1994)

by Ndzana, X, Fehr, W.R, Welke, G.A, Hammond, E.G, Duvick, D.N, Cianzio, S.R
Published in Crop science (01.05.1994)

by Oltmans, Sheilah E., Fehr, Walter R., Welke, Grace A., Cianzio, Silvia R.
Published in Crop science (01.03.2004)

by Fehr, W. R. (Walter R.)
Year of Publication 1984

by FEHR, Walter R
Published in Crop science (2007)

by Fehr, Walter R., Hoeck, Joseph A., Johnson, Susan L., Murphy, Patricia A., Nott, Joel D., Padilla, Gabe I., Welke, Grace A.
Published in Crop science (01.03.2003)

by Stoltzfus, David L, Fehr, Walter R, Welke, Grace A, Hammond, Earl G, Cianzio, Silvia R
Published in Crop science (01.05.2000)

by Fehr W.R
Published in Journal of plant nutrition (1984)

by HAMMOND EARL G, FEHR WALTER R
Year of Publication 30.07.2002

by HAMMOND, EARL, G, FEHR, WALTER, R
Year of Publication 15.04.2002

by HAMMOND, EARL, G, FEHR, WALTER, R
Year of Publication 27.03.2002

by HAMMOND; EARL G, FEHR; WALTER R
Year of Publication 17.10.2000

by HAMMOND; EARL G, FEHR; WALTER R
Year of Publication 09.05.2000

by FEHR, WALTER R, HAMMOND, EARL G
Year of Publication 28.04.2000

by HAMMOND; EARL G, FEHR; WALTER R
Year of Publication 15.02.2000

by HAMMOND, EARL, G, FEHR, WALTER, R
Year of Publication 26.01.2000

by HAMMOND, EARL, G, FEHR, WALTER, R
Year of Publication 22.12.1999