Dr. Michael J. Ottman
Specialist

Forbes Building, Room 210
P.O. Box 210036
Tucson, AZ 85721-0036
Phone: (520) 621-1583
Email: mottman@ag.arizona.edu
 

Visit these web-sites to learn more about Dr. Ottman and his research

 

 
 
 
   
Background and Interests
 
Michael Ottman received his Ph.D. in Agronomy from the University of Illinois. He also has a Master's degree in Vegetable Crops, which he received from the University of California, Davis and a Bachelor's degree in Plant Sciences, also from the University of California, Davis. His research and extension interests are to increase crop production efficiency through knowledge of basic plant processes and improved agronomic practices. In particular, he is interested in irrigation management and its effect on crop physiology, the relationship between nitrogen and grain protein in wheat, environmental influences on crop growth, and crop rotation effects on soil properties. Dr. Ottman's work has been seen in such publications as New Phytologist and Agronomy Journal .

 
Publications
 

Hunsaker, D.J., G.J. Fitzgerald, A.N. French, T.R. Clark, M.J. Ottman, and P.J. Pinter, Jr. 2007. Wheat irrigation management using multispectral crop coefficients: I. Crop evapotranspiration prediction. Transactions of the Amercan Society of Agricultural and Biological Engineers 50(6):2017-2033.

Hunsaker, D.J., G.J. Fitzgerald, A.N. French, T.R. Clark, M.J. Ottman, and P.J. Pinter, Jr. 2007. Wheat irrigation management using multispectral crop coefficients: II. Irrigation scheduling performance, grain yield, and water use efficiency. Transactions of the Amercan Society of Agricultural and Biological Engineers 50(6):2035-2050.

Cheng, L., S.W. Leavitt, B.A. Kimball, P.J. Pinter, Jr., M.J. Ottman, A. Matthias, G.W. Wall, T. Brooks, D.G. Willliams, and T.L. Thompson. 2007. Dynamics of labile and recalcitrant soil carbon pools in a sorghum free-air CO2 enrichment (FACE) ecosystem. Soil Biology and Biochemistry 39:2250-2263.

Ottman, M. J., T. L. Thompson, and T. A. Doerge. 2006. Alfalfa yield and soil phosphorus increased with topdressed granular compared with water-run fluid P fertilizer. Agronomy Journal 98:899-906.

Grant, R. F., B. A. Kimball, G. W. Wall, J. M. Triggs, T. J. Brooks, P. J. Pinter Jr., M. M. Conley, M. J. Ottman, R. L. LaMorte, S. W. Leavitt, T. L. Thompson, and A. D. Matthias. 2004. Modeling elevated carbon dioxide effects on water relations, water use, and growth of irrigated sorghum. Agronomy Journal 96:1693-1705

Thompson, T. L., M. J. Ottman, and E. Riley-Saxton. 2004. Basal stem nitrate tests for irrigated malting barley. Agronomy Journal 96:516-524.

Triggs, J. M., B. A. Kimball, P. J. Pinter, Jr., G. W. Wall, M. M. Conley, T. J. Brooks, R. L. LaMorte, N. R. Adam, M. J. Ottman, A. D. Matthias, S. W. Leavitt, and R. S. Cerveny. 2004. Free-air CO2 enrichment effects on the energy balance and evapotranspiration of sorghum. Agricultural and Forestry Meteorology 124:63-79.

Cousins, A. B., N. R. Adam, G. W. Wall, B. A. Kimball, P. J. Pinter, Jr., M. J. Ottman, S. W. Leavitt, and A. N. Webber. 2003. Development of C4 photosynthesis in sorghum leaves grown under elevated CO2. Journal of Experimental Botany 54:1969-1975.

Derner, J. D., H. B. Johnson, B. A. Kimball, P. J. Pinter, Jr., H. W. Polley, C. R. Tischler, T. W. Boutton, R. L.LaMorte, G. W. Wall, N. R. Adam, S. W. Leavitt, M. J. Ottman, A. D. Matthias, and T. J. Brooks. 2003. Above- and below-ground responses of C3-C4 species mixtures to elevated CO2 and soil water availability. Global Change Biology 9:452-460.

Davies, C.S., Ottman, M.J., and Peloquin S.J. 2002. Can germplasm resources be used to increase the ascorbic acid content of stored potatoes? American Journal of Potato Research 79:295-299

Ottman, M.J., Kimball, B.A., Pinter, P.J.Jr., Wall, G.W., Vanderlip, R.L., Leavitt, S.W., LaMorte, R.L., Matthias, A.D., and Brooks, T.J. 2001. Elevated CO2 increases sorghum biomass under drought conditions. New Phytologist 150:261-273.

Rillig, M.C., Wright, S.F., Kimball, B.A., Pinter, P.J.Jr., Wall, G.W., Ottman, M.J., and Leavitt, S.W. 2001. Elevated carbon dioxide (free-air CO2 enrichment, FACE) and irrigation effects on water stable aggregates in a Sorghum field: a possible role for arbuscular mycorrhizal fungi. Global Change Biology 7:333-337.

Cousins, A. B., N. R. Adam, G. W. Wall, B. A. Kimball, P. J. Pinter Jr., S. W. Leavitt, R. L. LaMorte, J. Triggs, A. D. Matthias, M. J. Ottman, T. L. Thompson, and A. N. Webber. 2001. Reduced photorespiration and increased energy-use efficiency in young CO2-enriched sorghum leaves. New Phytologist 150-275-284

Wall, G. W., T. J. Brooks, N. R. Adam, A. Cousins, B. A. Kimball, P. J. Pinter, Jr., R. L. LaMorte, J. Triggs, M. J. Ottman, S. W. Leavitt, A. D. Matthias, D. G. Williams, and A. N. Webber. 2001. Elevated atmospheric CO2 improved sorghum water status by ameliorating the adverse effects of drought. New Phytologist 52231-248.

Conley, M. M., B. A. Kimball, T. J. Brooks, P. J. Pinter Jr., D. J. Hunsaker, G. W. Wall, N. R. Adam, R. L. LaMorte, A. D. Matthias, T. L. Thompson, S. W. Leavitt, M. J. Ottman, A. B. Cousins, and J. M. Triggs. 2001. CO2 enrichment increases water-use efficiency in sorghum. New Phytologist 151:407-412.

Williams, D. G., V. Gempko, A. Fravolini, S. W. Leavitt, G. W. Wall, B. A. Kimball, P. J. Pinter Jr., R. LaMorte, and M. Ottman. 2001. Carbon isotope discrimination by Sorghum bicolor under CO2 enrichment and drought. New Phytologist 150:285-289.

Ottman, M. J., T. A. Doerge, and E. C. Martin. 2000. Durum grain quality as affected by nitrogen fertilization near anthesis and irrigation during grain fill. Agronomy Journal 92:1035-1041.

Ottman, M. J., B. R. Tickes, and S. H. Husman. 2000. Nitrogen-15 and bromide tracers of nitrogen fertilizer movement in irrigated wheat production. Journal of Environmental Quality 29:1500-1508.

Ottman, M. J., and N. V. Pope. 2000. Nitrogen fertilizer movement in the soil as influenced by nitrogen rate and timing in irrigated wheat. Soil Science Society of America Journal 64:1883-1892.





 

       
 
 


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