by Wrage L.J, Kinch R.C
Published in FS - University Cooperative Extension Service (1979)

by Wrage L.J, Arnold W.E
Published in F S - South Dakota State University (1977)

by Wrage L.J, Arnold W.E
Published in F S - South Dakota State University (1977)

by Wrage L.J, Arnold W.E
Published in F S - South Dakota State University (1977)

by Wrage L.J, Arnold W.E, Johnson P.O
Published in FS - South Dakota State University (1985)

by Andersen, S.M, Clay, S.A, Wrage, L.J, Matthees, D
Published in Agronomy journal (01.05.2004)

by Wrage L.J
Published in Field facts : soils, insects, diseases, weeds, crops South Dakota State University, Cooperative Extension, Plant Science Department (1988)

by Wrage L.J
Published in Field facts : soils, insects, diseases, weeds, crops South Dakota State University, Cooperative Extension Service, Plant Science Department (1988)

by Wrage L.J
Published in Field facts : soils, insects, diseases, weeds, crops South Dakota State University, Cooperative Extension, Plant Science Department (1987)

by Wrage L.J
Published in Field facts : soils, insects, diseases, weeds, crops South Dakota State University, Cooperative Extension, Plant Science Department (1987)

by Wrage L.J
Published in Field facts : soils, insects, diseases, weeds, crops South Dakota State University, Cooperative Extension, Plant Science Department (1987)

by Wrage, L.J
Published in Field facts : soils, insects, diseases, weeds, crops - South Dakota State University, Cooperative Extension Service, Plant Science Department (USA) (30.12.1989)

by Wrage, L.J
Published in Field facts : soils, insects, diseases, weeds, crops - South Dakota State University, Cooperative Extension Service, Plant Science Department (USA) (17.03.1989)

by Wrage, L.J
Published in Field facts : soils, insects, diseases, weeds, crops - South Dakota State University, Cooperative Extension Service, Plant Science Department (USA) (09.06.1988)

by Wrage, L.J
Published in Field facts : soils, insects, diseases, weeds, crops - South Dakota State University, Cooperative Extension Service, Plant Science Department (USA) (27.05.1988)

by Wrage, L.J
Published in Field facts : soils, insects, diseases, weeds, crops - South Dakota State University, Cooperative Extension Service, Plant Science Department (USA) (18.05.1988)

by Wrage, L.J
Published in Field facts : soils, insects, diseases, weeds, crops - South Dakota State University, Cooperative Extension Service, Plant Science Department (USA) (13.05.1988)

by Wrage, L.J
Published in Field facts : soils, insects, diseases, weeds, crops - South Dakota State University, Cooperative Extension, Plant Science Department (USA) (18.01.1988)

by Wrage, L.J
Published in Field facts : soils, insects, diseases, weeds, crops - South Dakota State University, Cooperative Extension, Plant Science Department (USA) (19.08.1987)

by Wrage, L.J
Published in Field facts : soils, insects, diseases, weeds, crops - South Dakota State University, Cooperative Extension, Plant Science Department (USA) (16.07.1987)