Published in IITA Information Series (IITA). no. 9 (1985)

by Carter D.L, Berg R.D
Published in Current information series - Cooperative Extension Service (1985)

by Smith L, Bolz D, Simpson W.R, Colt W
Published in Current information series - Cooperative Extension Service (1985)

by Kleinkopf G.E, Kleinschmidt G.D, Westermann D.T
Published in Current information series - Cooperative Extension Service (1984)

by Gallian J.J, Peterson C.L, Stanger C.E
Published in Current information series - Cooperative Extension Service (1984)

by Thostenson A.A, Helton A.W, Dilbeck R
Published in Current information series - Cooperative Extension Service (1984)

by Auld D.L, Murray G.A, O'Keeffe L.E, Callihan R.H, Crock J.E
Published in Current information series - Cooperative Extension Service (1984)

by Fiez E.A
Published in Current information series - Cooperative Extension Service (1984)

by Gray C.W
Published in Current information series - Cooperative Extension Service (1984)

by Brown B
Published in Current information series - Cooperative Extension Service (1983)

by Wright G.C, Carpenter G.P
Published in Current information series - Cooperative Extension Service (1983)

by Karsky T
Published in Current information series - Cooperative Extension Service (1983)

by Karsky T
Published in Current information series - Cooperative Extension Service (1983)

by Jones J.R
Published in Current information series - Cooperative Extension Service (1983)

by Marousek G, Duren E
Published in Current information series - Cooperative Extension Service (1983)

by Hartmans E.H
Published in IITA Information Series (IITA). no. 7 (1981)

by Lee G.A, Mundt G.A, Coleman Harrell M.E
Published in Current information series - Cooperative Extension Service (1980)

by Makus D.J, Chotena M, Simpson W.R, Anderegg J.C
Published in Current information series - Cooperative Extension Service (1980)

by Hall R.F, Waldhalm D.G, South P.J
Published in Current information series - Cooperative Extension Service (1980)

by Baird C.R, Bitner R.M
Published in Current information series - Cooperative Extension Service (1980)