by Douds, D.D., Janke, R.R., Peters, S.E.
Published in Agriculture, ecosystems & environment (01.02.1993)

by Douds, D.D., Galvez, L., Janke, R.R., Wagoner, P.
Published in Agriculture, ecosystems & environment (1995)

by Janke, R.R, Carey, E.E
Published in Acta horticulturae (2004)

by Nelson, N.O, Janke, R.R
Published in HortTechnology (Alexandria, Va.) (2007)

by Steiner R.A, McLaughlin L, Faeth P, Janke R.R
Year of Publication 1995

by Radke, J.K, Liebhardt, W.C, Janke, R.R, Peters, S.E
Year of Publication 1987

by Janke, R.R, Hofstetter, R, Volak, B, Radke, J.K
Year of Publication 1987

by Drinkwater, L.E., Janke, R.R., Rossoni-Longnecker, L.
Published in Plant and soil (01.01.2000)

by Galvez, L. (USDA, ARS, Eastern Regional Research Center, Philadelphia, PA.), Douds, D.D. Jr, Wagoner, P, Longnecker, L.R, Drinkwater, L.E, Janke, R.R
Published in American journal of alternative agriculture (01.12.1995)

by Harris, G.H. (University of Georgia, Tifton, GA.), Hesterman, O.B, Paul, E.A, Peters, S.E, Janke, R.R
Published in Agronomy journal (01.09.1994)

by Janke, R.R
Published in Sustainable Agriculture Research and Education (SARE) research projects. North Central Region (2003)

by Janke, R.R
Published in SRDC series (1993)

by Liebhardt W.C, Andrews R.W, Culik M.N, Harwood R.R, Janke R.R, Radke J.K, Rieger Schwartz S.L
Published in Agronomy journal (01.03.1989)

by Janke, R.R. (Rodale Research Center, Kutztown, PA)
Published in Proceedings - Southern Weed Science Society (USA) (1991)

by Gresham, C.W, Janke, R.R, Moyer, J
Year of Publication 1990

by Schartz, R.J, Janke, R.R
Published in Journal of sustainable agriculture (28.12.1999)

by Norman, D.W, Bloomquist, L.E, Freyenberger, S.G, Regehr, D.L, Schurle, B.W, Janke, R.R
Published in Journal of natural resources and life sciences education (1998)

by Hanson, J.C. (University of Maryland at College Park), Johnson, D.M, Peters, S.E, Janke, R.R
Published in Northeastern journal of agricultural and resource economics (USA) (01.10.1990)