Rhae A. Drijber

Rhae A. Drijber


Area of Expertise: Soil and Water Sciences

B.S., Agriculture, University of British Columbia, 1982

M.S., Soil Science, University of British Columbia, 1986

Ph.D., Soil Science, University of Alberta, 1993

Area of Focus

Soil Microbial Ecology

Research Interests

  • Biochemical and molecular approaches to characterize microbial community structure and function in soil systems.
  • Mechanisms of carbon sequestration in natural and agro-ecosystems.
  • Mycorrhizal function in natural and agro-ecosystems.

Major Project Activities

  • Community Structure and Functional Diversity of Soil Microbial Communities in Natural and Agro-ecosystems
  • Genomics of Nitrous Oxide Flux Associated with Carbon Sequestration (pending)
  • Long-term Forest Establishment on Prairie Soils: Effects on Soil Microbiological, Mineralogical, Physical and Chemical Properties.
  • Role of Nutrient Dynamics in Soil Microbial Diversity and Early Season Corn Growth
  • Complex Lipid Biomarkers for Improved Quantification of Vesicular Mycorrhizal Fungi in Soil Systems
  • Accumulation of Microbial Biomass in Aging Golf Greens and its Relationship to Soil Organic Matter and Green Management


  • Tian, H., R.A. Drijber, X.L. Li., D.N. Miller, B.J. Wienhold. 2013. Arbuscular mycorrhizal fungi differ in their ability to regulate the expression of phosphate transporters in maize (Zea mays L.). Mycorrhiza In Press.
  • Tian, H., R.A. Drijber, J.L. Zhang, X.L. Li. 2013. Impact of long-term nitrogen fertilization and rotation with soybean on the diversity and phosphorus metabolism of indigenous arbuscular mycorrhizal fungi within the roots of maize (Zea mays L.). Agriculture Ecosystems & Environment 164:53-61.
  • Wingeyer, A.B., D. Walters, R. Drijber, D.C. Olk, T. Arkebauer, S. Verma, D. Wedin, C. Francis. 2012. Fall conservation deep tillage stabilizes maize residues into soil organic matter. Soil Science Society of America Journal 76:2154-2163.
  • Wortman, S. E., C. A. Francis, M. L. Bernards, R. A. Drijber, and J. L. Lindquist. 2012. Optimizing cover crop benefits with diverse mixtures and an alternative termination method. Agronomy J. 104:1425-1435.
  • Isobe, K., Maruyama, K., Nagai, S., Higo, M., Maekawa, T., Mizonobe, G., Drijber, R.A., Ishii, R. 2011. Arbuscular mycorrhizal fungal community structure in soybean roots: Comparison between Kanagawa and Hokkaido, Japan. Advances in Microbiology 1:13-22.
  • Tian, H., Drijber, R.A., Niu, X.S., Zhang, J.L., Li, X.L. 2011. Spatio-temporal dynamics of an indigenous arbuscular mycorrhizal fungal community in an intensively managed maize agroecosystem in north China. Applied Soil Ecology 47:141-152.
  • Haddix, M.L., Plante, A.F., Conant, R.T., Paul, E.A., Six, J., Steinweg, M.J., Magrini-Bair, K., Drijber, R.A., Morris, S.J. 2011. The role of soil characteristics on temperature sensitivity of soil organic matter. Soil Science Society of America Journal 75:56-68.
  • Okalebo, J., Yuen, G.Y., Drijber, R.A., Blankenship, E., Eken, C., Lindquist, J. 2011. Biological suppression of velvetleaf (Abuliton theophrasti) in an Eastern Nebraska soil. Weed Science 59:155-161.
  • Liang, Z, Drijber, R.A., Lee, D.J., Dwiekat, I.M., Harris, S.D., Wedin, D.A. 2008. A DGGE-cloning method to characterize arbuscular mycorrhizal community structure in soil. Soil Biology & Biochemistry 40:956-966.
  • Conant, R.T., Drijber, R.A., Haddix, M.L., Parton, W.J., Paul, E.A., Plante, A.F., Six, J., Steinweg, J.M. 2008. Sensitivity of organic matter decomposition to warming varies with its quality. Global Change Biology 14:868-877.
  • Wortmann, C.S., Quincke, J.A., Drijber, R.A., Mamo, M., Franti, T.. 2008. Soil microbial change and recovery after one-time tillage of continuous no-till. Agronomy Journal 100:1681-1686.
  • Frey, S,D., Drijber, R., Smith, H., Melillo, J. 2008. Microbial biomass, functional capacity, and community structure after 12 years of soil warming. Soil Biology & Biochemistry 40:2904-2907.
  • Grigera, M.S., Drijber, R.A., Wienhold, B.J. 2007. Redistribution of crop residues during row cultivation creates a biologically enhanced environment for soil microorganisms. Soil and Tillage Research 94:550-554.
  • Grigera, M.S., Drijber, R.A., Wienhold, B.J. 2007. Increased abundance of arbuscular mycorrhizal fungi in soil coincides with the reproductive stages of maize. Soil Biology & Biochemistry 39:1401-1409.
  • Grigera, M.S., Drijber, R.A., Shores-Morrow, R.H., Wienhold, B.J. 2007. Distribution of the arbuscular mycorrhizal biomarker C16:1cis11 among neutral, glyco and phospholipids extracted from soil during the reproductive growth of corn. Soil Biology & Biochemistry 39:1589-1596.
  • Garcia, J.P., Wortmann, C.S., Mamo, M., Drijber, R., Tarkalson, D. 2007. One-time tillage of no-till: effects on nutrients, mycorrhizae, and phoshorus uptake. Agronomy Journal 99:1093-1103
  • Quincke, J.A., Wortmann, C.S., Mamo, M., Franti, T., Drijber, R.A. 2007. Occasional tillage of no-till systems: carbon dioxide flux and changes in total and labile soil organic carbon. Agronomy Journal 99:1158-1168.
  • Quincke, J.A., Wortmann, C.S., Mamo, M., Franti, T., Drijber, R.A., Garcia, J.P. 2007. One-time tillage of no-till systems: soil physical properties, phosphorus runoff, and crop yield. Agronomy Journal 99:1104-1110.
  • Bradley, K., Drijber, R.A., Knops, J. 2006. Increased N availability in grassland soils modifies their microbial communities and decreases the abundance of arbuscular mycorrhizal fungi. Soil Biology & Biochemistry 38:1583-1595.
  • Grigera, M.S., Drijber, R.A., Eskridge, K.M., Wienhold, B.J. 2006. Soil microbial biomass response to physicochemical properties that define apparent electrical conductivity classification. Soil Science Society of America Journal 70: 1480-1488.
  • Kerek, M., Drijber, R.A., Powers, W.L., Shearman, R.C., Gaussoin, R.E. and Streich, A.M. 2002. Accumulation of microbial biomass within particulate organic matter of aging golf greens. Agronomy Journal 94:455-461.
  • Kerek, M., Drijber, R.A., Gaussoin, R.E. 2003. Labile soil organic matter as a potential nitrogen source in golf greens. Soil Biology & Biochemistry 35:1643-1649.
  • Johnson, C.K., Wienhold, B.J., Doran, J.W., Drijber, R.A., Wright, S.F. 2004. Linking microbial-scale findings to farm-scale outcomes. Precision Agriculture 5:311-327.
  • Drijber, R.A., Doran, J.W., Parkhurst, A.M., Lyon, D.J. 2000. Changes in soil microbial community structure with tillage under long-term wheat-fallow management. Soil Biology & Biochemistry 32:1419-1430.