by Miyasaka, S.C. (University of Hawaii, Hawaii Branch Station, Hilo, HI), Buta, J.G, Howell, R.K, Foy, C.D
Published in Plant physiology (Bethesda) (01.07.1991)

by Howell R.K
Published in Fact sheet for part-time farmers and gardeners (USA). no. 8-3-1 (1979)

by Heggestad H.E, Howell R.K, Bennett J.H
Published in Ecological Research Series (USA). no. 600/3-77-128 (1977)

by Howell, R.K, Rose, L.P. Jr, Leffel, R.C
Published in Journal of environmental quality (1980)

by Howell, R.K., Smith, L.W.
Published in Journal of dairy science (01.06.1977)

by Howell, R.K, Kremer, D.F
Published in Journal of environmental quality (1972)

by Howell, R.K.
Published in 1999 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings. ICASSP99 (Cat. No.99CH36258) (1999)

by Yeiser, J.L. (Arkansas Forest Resources Center, Monticello.), Howell, R.K
Published in Southern Weed Science Society (USA) (1998)

by Howell, R.K. (Arkansas Forest Resources Center, Monticello.), Yeiser, J.L
Published in Southern Weed Science Society (USA) (1998)

by Yeiser, J.L. (Arkansas Forest Resources Center, Monticello.), Howell, R.K
Published in Southern Weed Science Society (USA) (1998)

by Yeiser, J.L. (Arkansas Forest Resources Center, Monticello.), Howell, R.K
Published in Southern Weed Science Society (USA) (1998)

by Yeiser, J.L. (Arkansas Forest Resources Center, Monticello.), Howell, R.K
Published in Southern Weed Science Society (USA) (1998)

by Howell R.K
Published in Report Conference on Rumen Functions (1975)

by Howell, R.K
Published in Proceedings ... annual meeting (1975)

by Howell, R.K
Published in Fact sheet for part-time farmers and gardeners. AFS - United States Dept. of Agriculture, Office of Government and Public Affairs (1979)

by Howell, R.K
Published in ACS Symp Ser Amer Chem Soc (1974)

by Yeiser, J.L. (Arkansas Agric. Exp. Stn., Monticello, AR.), Howell, R.K
Published in Southern Weed Science Society (U.S.) (USA) (1997)

by Howell, R.K. (Arkansas Agric. Exp. Stn., Monticello, AR.), Yeiser, J.L, Wynne, F
Published in Southern Weed Science Society (U.S.) (USA) (1997)

by Howell, R.K. (Arkansas Agric. Exp. Stn., Monticello, AR.), Yeiser, J.L, Wynne, F
Published in Southern Weed Science Society (U.S.) (USA) (1997)

by Howell, R.K, Thomas, C.A
Published in Plant disease (1972)