by McKenna, J.R, Sutter, E.G
Published in HortScience (01.08.1996)

by Lucero, D.W. (Virginia Polytechnic Institute and State University, Blacksburg, VA.), Martens, D.C, McKenna, J.R, Starner, D.E
Published in Communications in soil science and plant analysis (01.06.1995)

by Anderson M.A, McKenna J.R, Martens D.C, Donohue S.J, Kornegay E.T, Lindemann M.D
Published in Communications in soil science and plant analysis (01.06.1991)

by Reed, S.T. (Virginia Polytechnic Institute and State University, Blacksburg, VA), Allen, M.G, Martens, D.C, McKenna, J.R
Published in Communications in soil science and plant analysis (01.01.1993)

by Buergler, A.L, Fike, J.H, Burger, J.A, Feldhake, C.M, McKenna, J.R, Teutsch, C.D
Published in Agronomy journal (01.09.2006)

by Epstein, L, Kaur, S, McKenna, J.R, Grant, J.A, Olson, W.H, Reil, W.O
Published in California agriculture (Berkeley, Calif.) (01.06.2008)

by Jacobs, D.F, Woeste, K.E, Wilson, B.C, McKenna, J.R
Published in Acta horticulturae (01.01.2006)

by McKenna J.R
Published in NACTA journal (1989)

by Galbraith, J.M, McKenna, J.R, Donovan, P.F
Published in NACTA journal (01.12.2003)

by Lucero, D.W, Martens, D.C, McKenna, J.R, Starner, D.E
Published in Communications in soil science and plant analysis (01.01.1998)

by Maddux, L.B. (Willamette University, Salem, OR.), McKenna, J.R
Published in NACTA journal (01.09.1998)

by Lucero, D.W. (Virginia Polytechnic Institute and State University, Blacksburg, VA.), Martens, D.C, McKenna, J.R, Starner, D.E
Published in Communications in soil science and plant analysis (01.03.1995)

by McKenna, J.R, Wolf, D.D, Lenter, M
Published in Agronomy journal (01.01.1991)

by McKenna J.R, Wolf D.D
Published in Proceedings of the Forage and Grassland Conference (1987)

by Ketcham, S.A., McKenna, J.R., Greenfield, R.J., Anderson, T.S.
Published in 2006 HPCMP Users Group Conference (HPCMP-UGC'06) (01.06.2006)

by Gold, M.A, Harris, R.D, McKenna, J.R, Young, R.L
Published in NACTA journal (01.06.1994)

by Buergler, A.L, Fike, J.R, McKenna, J.R, Burger, J.A, Feldhake, C.M
Published in Proceedings (2004)

by Anderson, M.A. (Virginia Polytechnic Institute and State University, Blacksburg, VA), McKenna, J.R, Martens, D.C, Donohue, S.J
Published in Communications in soil science and plant analysis (01.07.1993)

by McKenna, J.R. (Virginia Polytechnic Institute and State University, Blacksburg, VA)
Published in NACTA journal (01.03.1991)

by Daniels, W.L. (Virginia Polytechnic Institute and State University, Blacksburg, VA), McKenna, J.R, Parker, J.C
Published in Journal of agronomic education (1992)