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Department of Forest Science


Ching Y. Li
Ching Y. Li

Professor (Courtesy)
Soil Microbiology

328 Richardson Hall
Oregon State University
Corvallis, OR 97331
  • Office: 328 Richardson Hall
  • Phone: 541-750-7386
  • Fax: 541-750-7329
  • B.S., 1960, National Taiwan University, Taipei, Taiwan
  • M.S., 1963, Oklahoma State University, Stillwater
  • Ph.D., 1969, Oregon State University, Corvallis
Rhizosphere microbial interactions; belowground microbial processes.
  • Asymbiotic nitrogen fixation in root-colonized woody residues of Oregon coastal forests. Rhizosphere nitrogen fixation in western forest ecosystems. Influence of soil microbes on Frankia infection, nitrogen fixation and nutrient uptake in Ceanothus velutinus and Alnus rubra. Microbial soil weathering.
  1. Fulbright Scholar, 2001-2002, $11,000.
  2. USDA Forest Service Black Colleges and Universities Comprehensive Program, “Soil Biological Processes in Response to Ecosystem Disturbances,” 1992-1994, $68,000.
  3. National Agricultural Pesticide Impact Assessment Program, “Benomyl and Captan Residues and Soil Microbial Activity,” 1981-1983, $38,000.
  1. Rojas, N.S., C.Y. Li, D.A. Perry, and L.M. Ganio. 2001. Frankia and nodulation of red alder and snowbrush grown on soils from Douglas-fir forests in the H.J. Andrews Experimental Forest of Oregon. Applied Soil Ecology 17:141-149.
  2. Crawford, R.H., M. Floyd and C.Y. Li. 2000. Degradation of serpentine and muscovite rock minerals and immobilation of cations by soil Penicillium spp. Phyton 40:209-328.
  3. Strzelczyk E. and C.Y. Li. 2000. Bacterial enobionts in the big non-mychorrhizal roots of Scots pine (Pinus sylvestris L.). Microbiological Res. 155:1-4.
  4. Li, C.Y. and E. Strzelczyk. 2000. Belowground microbial processes underpin forest productivity. Phyton 40:129-134.
  5. Rozycki, H., H. Dahm, E. Strzelczyk, and C.Y. Li. 1999. Diazotrophic bacteria in root-free soil and in the root zone of Scots pine (pinus sylvestris L.) and oak (Quercus robur L.). Applied Soil Ecology 12:239-250.