by Youngman V.E
Published in Progress Report - Colorado Experiment Station (USA). no. 24 (1977)

by Youngman V.E, Schweissing F.C
Published in General Series - Colorado State University Experiment Station (USA). no. 978 (1978)

by Braunworth W.S, Youngman V.E, Hinze G.O
Published in Progress Report - Colorado Experiment Station (USA). no. 3 (1977)

by Youngman V.E, Mann H.O, Swink J.F, Hinze G.O, Langin E.J
Published in General Series - Colorado Agricultural Experiment Station (USA). no. 963 (1976)

by Youngman V.E, Mann H.O, Swink J.F, Hinze G.O, Langin E.J, Keenan J.G
Published in General Series - Colorado State University Experiment Station (USA). no. 995 (1980)

by Youngman, V.E
Published in Colo Agr Exp Sta Progr Rep Pr (1969)

by Youngman, V.E, Schweissing, F.C
Published in General series (1978)

by Youngman, V.E, Langin, E.J
Published in Progress Report - Colorado Experiment Station (USA) (01.08.1977)

by Youngman, V.E, Swink, J.F
Published in Prog Rep Colo State Univ Fort Collins Exp Stn (1974)

by Shafer, S.L, Youngman, V.E
Published in Colo Agr Exp Sta Progr Rep Pr (1973)

by Shafer, S.L, Youngman, V.E
Published in Colo Agr Exp Sta Progr Rep Pr (1971)

by Mann, H.O, Youngman, V.E
Published in Colo Agr Exp Sta Progr Rep Pr (1969)

by Mann, H.O, Youngman, V.E
Published in Colo Agr Exp Sta Progr Rep Pr (1969)

by Gustafson-, J.P, Curtis, B.C, Youngman, V.E
Published in Crop science (1970)

by Lugg D.G, Youngman V.E, Hinze G
Published in Agronomy journal (01.05.1981)

by Mann, H.O, Langin, E.J, Youngman, V.E
Published in Prog Rep Colo State Univ Fort Collins Exp Stn (1975)

by Mann, H.O, Langin, E.J, Youngman, V.E
Published in Colo Agr Exp Sta Progr Rep Pr (1973)

by Youngman, V.E, Mann, H.O, Swink, J.F, Hinze, G.O, Langin, E.J
Published in General series (1978)

by Youngman, V.E, Mann, H.O, Swink, J, Hinze, G.O, Shafer, S.L
Published in Colo Agr Exp Sta Gen Ser (1970)

by Youngman, V.E, Mann, H.O, Swink, J.F, Hinze, G.O, Langin, E.J, Croissant, R.L, Braunworth, W
Published in General series (1979)