Dr. Stephen Machado

CURRICULUM VITAE

TITLE: Assistant Professor, Dryland Cropping Systems Agronomist

POSITION DESCRIPTION:  Conduct cropping systems research to improve production cost efficiency and product quality for non-irrigated crops.  Emphasis is on developing economically and biologically sustainable agricultural practices for cereals, legumes, and new crops.  Work includes but is not limited to crop rotations, long-term experiments, alternate crops, drought tolerance and disease interactions, and site-specific farming.  Interact with other staff, farmers, and professional colleagues to promote efficient research and programmatic relationships in the multi-disciplinary, multi-agency environment at the research center.  Participate in local and regional industry meetings, professional societies, research center, departmental, college, and university committees as appropriate and other service activities.  Participate in extended education activities with grade school through university level students and adults.

EDUCATION:

1997, Ph.D., Crop Physiology, Kansas State University, Manhattan (USA)

1987, M.S., Crop Physiology, Reading University, Reading (UK)

1984, B.S., General Agriculture, University of Swaziland, Luyengo (Swaziland)

1980, Diploma, Animal Sciences, University of Swaziland, Luyengo (Swaziland)

WORK EXPERIENCE:

• 1984-1986 Assistant Research Scientist, Agronomy Institute, Harare, Zimbabwe
• 1986-1988 Research Scientist, Agronomy Institute, Harare, Zimbabwe
• 1988-1990 Senior Research Scientist, Agronomy Institute, Harare, Zimbabwe
• 1990 Visiting scientist, University of Western Australia (Fifth Australian Agronomy conference, Perth, Australia)
• 1990-1993 Principal Research Scientist, Agronomy Institute, Harare, Zimbabwe
• 1998-2001 Research Associate, TAMU, Texas Agricultural Experiment Station, Lubbock, TX
• 2001- present Assistant Professor, OSU, Columbia Basin Agricultural Research Center, Pendleton, Oregon

PUBLICATIONS (last 2 years)

Machado, S. and G.M. Paulsen. 2001. Combined Effects of Drought and High Temperature on Water Relations of Wheat and Sorghum. Plant and Soil 233:179-187.

Machado, S, E.D. Bynum, Jr., T. L. Archer, R.J. Lascano, L.T. Wilson, J. Bordovsky, E. Segarra, K. Bronson, D.M. Nesmith, and W. Xu. 2000. Spatial and Temporal Variability of Corn Grain yield: Site-Specific Relationships of Biotic and Abiotic Factors. Precision Agriculture 2:343-360.

Machado, S, E.D. Bynum, Jr., T. L. Archer, J. Bordovsky, E. Segarra, K. Bronson, D.M. Nesmith, D.T. Rosenow, and G.C. Peterson. 2001. Spatial and Temporal Variability of Sorghum Grain yield: Site-Specific Relations of Soil, Water, Pests, and Diseases. Precision Agriculture (in press).

Machado, S, E.D. Bynum, Jr., T. L. Archer, R.J. Lascano, L.T. Wilson, J. Bordovsky, E. Segarra, K. Bronson, D. M. Nesmith, and W. Xu. 2001  Spatial and Temporal Variability of Corn Growth and Grain Yield: Implications for Site-Specific Farming. Crop Science (in press).