by Eck, H.V., Mathers, A.C., Musick, J.T.
Published in Field crops research (01.09.1987)

by Hawkins, B.J, Henry, G, King, J
Published in New forests (01.09.2000)

by James D.W, Hurst C.J, Tindall T.A
Published in Journal of plant nutrition (01.01.1995)

by Wade, L.J., Hammer, G.L., Davey, M.A.
Published in Field crops research (15.01.1993)

by O'Hara, P, Ayres, P.G, Hughes, M.A, Dunn, M.A, Smith, R.J
Published in Physiological and molecular plant pathology (01.06.1998)

by Hawkins, B.J
Published in Canadian journal of forest research (01.07.1993)

by Chang, Mingteh, Crowley, Christopher M., Nuruddin, Ahmad A.
Published in Resources, conservation and recycling (01.06.1995)

by Gesch, R.W. (Texas AandM University, College Station, TX), Kenefick, D.G, Koepke, J.A
Published in Crop science (01.01.1992)

by Redden, R.J, Tompkins, W, Usher, T
Published in Australian journal of experimental agriculture (1997)

by Laszlo, J.A. (Northern Regional Research Center, ARS, USDA, Peoria, IL)
Published in Journal of plant nutrition (01.01.1990)

by ÖZgen, M.
Published in Journal of agronomy and crop science (1986) (01.05.1991)

by Vyn, T.J, Moes, J
Published in Agronomy journal (01.11.1988)