University of Missouri MU School of Natural Resources College of Agriculture, Food and Natural Resources
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Meet the Soil, Environmental and Atmospheric Sciences Faculty

Robert J. Kremer

Robert J. Kremer, Ph.D.


Adjunct Professor
Soil Science
  • Phone: 573-882-6408
  • E-mail: KremerR@missouri.edu
  • Address: 302 Anheuser-Busch Natural Resources Building

Education

  • Ph.D. 1981, Mississippi State University

Research

  • Soil and plant microbial ecology.
  • Soil quality and sustainable agricultural systems.
  • Soil environmental impacts of transgenic crops.
  • Waterborne bacterial pathogens.

Research Summary

  • Primary research area is the relationship among soil properties, plant growth, and soil microorganisms as influenced by land management practices. Management under sustainable (agroforestry, cover cropping, organic), conventional agriculture (including genetically-modified crops), and grassland restoration systems is assessed for effects on soil quality using microbial, chemical, and physical parameters as indicators. Soil microbial properties with beneficial and detrimental effects on plant growth, including weed biological control potential are examined.

Teaching

  • Environmental Soil Microbiology
  • Advanced Weed Science

Selected Publications

  • Kremer, R.J. 2006.
    Deleterious rhizobacteria. Pp. 335-357. In: Gnanamanickam, S.S. (ed.) Plant-associated Bacteria, Kluwer Academic Publishers, Dordrecht, The Netherlands.
  • Kremer, R.J., A.J. Caesar, and T. Souissi. 2006.
    Soilborne microorganisms of Euphorbia are potential biological control agents of the invasive weed leafy spurge. Appl. Soil Ecol. 32:27-37.
  • Li, J., and R.J. Kremer. 2006.
    Growth response of weed and crop seedlings to deleterious rhizobacteria. Biol. Contr. 39:58-65.
  • Kremer, R.J. 2005.
    The role of bioherbicides in weed management. Biopesticides Internat. 1:127-141.
  • Kremer, R.J., N.E. Means, and S-J. Kim. 2005.
    Glyphosate affects soybean root exudation and rhizosphere microorganisms. Int. J. Environ. Anal. Chem. 85:1165-1174.
  • Fang, M., R.J. Kremer, P.P. Motavalli, and G. Davis. 2005.
    Bacterial diversity in rhizospheres of non-transgenic and transgenic corn. Appl. Environ. Microbiol. 71:4132-4136.
  • Means, N.E., C.J. Starbuck, R.J. Kremer, and L.W. Jett. 2005.
    Effects of a food-waste-based soil conditioner on soil properties and plant growth. Compost Sci. Utilizat. 13:116-121.
  • Motavalli, P.P., R.J. Kremer, M. Fang, and N.E. Means. 2004.
    Impact of genetically-modified crops and their management on soil microbially-mediated plant nutrient transformations. J. Environ. Qual. 33:816-824.
  • Kremer, R.J. and J. Li. 2003.
    Developing weed suppressive soils through improved soil quality management. Soil Till. Res. 72:193-202.
  • Kremer, R.J. and T. Souissi. 2001.
    Cyanide production by rhizobacteria and potential for suppression of weed seedling growth. Current Microbiol. 43:182-186.