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                   Louise 
                    Jackson  
                    Professor/CE 
                    Specialist 
			
			 
				Department: Dept. of Vegetable Crops/Dept. of Land, Air, and Water Resources 
				Location:  University of California, Davis, CA 95616 
				Telephone: (530) 754-9116 
				Fax: (530) 752-1552 
				E-mail: lejackson@ucdavis.edu 
				Web Site: http://groups.ucanr.org/jacksonlab/ 
				Education:  
			 
			 
			General Research Interest Statement:
			      Plant and soil ecology; Soil microbial carbon and nitrogen 
                    cycling; Ecosystem-level nitrogen and water budgets; Mycorrhizae; 
                    Plant water relations and nutrient uptake; Genetic analysis 
                    of root architecture; Organic and conventional vegetable production; 
                    Grassland restoration ecology ... 
			 
			Research Interest Pertaining to 
			Current SAFS / Conservation Tillage Project:
			      My interest is in soil food webs as they affect carbon and 
                    nitrogen cycling, and plant uptake of nutrients. My main research 
                    focus in this project is comparison of conservation vs. standard 
                    tillage with in legume-vegetable rotations. 
					
                  Years with the Project: 2
  
Recent publications relevant to this research:
                  Okano, Y., K.R. Hristova, C.M. Leutenegger, L.E. Jackson, 
                    R.F. Denison, B. Gebreyesus, D. LeBauer, and K.M. Scow. Effects 
                    on ammonium on the population size of ammonia-oxidizing bacteria 
                    in soilapplication of real-time PCR. Ms. submitted to Applied 
                    and Environmental Microbiology. 
					
                   Burger, M., L.E. Jackson, E.J. Lundquist, D.T. Louie, R.L. 
                    Miller, D.R. Rolston, and K.M. Scow. Microbial responses and 
                    nitrous oxide emissions during rewetting and drying of agricultural 
                    soil under organic and conventional management. Ms. submitted 
                    to Biology and Fertility of Soils. 
					
                   Burger, M. and L.E. Jackson. Plant and microbial nitrogen 
                    use and turnover: rapid conversion of nitrate to ammonium 
                    in soil with roots. Ms. submitted, Plant and Soil. 
					
                   Mitchell, J.P., L.E. Jackson, and E. Miyao. Minimum tillage 
                    in vegetable crop production systems in California. Ms. in 
                    preparation, DANR 7000 series, Division of Agricultural and 
                    Natural Resources, University of Californa.
					
                   Jackson, L.E. Soil biology: root architecture and growth. 
                    Ms. submitted, Encyclopedia of Soils in the Environment, 
                    Academic Press. 
					
                   Jackson, L.E., I. Ramirez, R. Yokota, S.A. Fennimore, S.T. 
                    Koike, D. Henderson, W.E. Chaney, F.J. Calderón, and K. Klonsky. 
                    On-farm assessment of organic matter and tillage management 
                    on vegetable yield, soil, weeds, pests, and economics in California. 
                    Ms. submitted, Agriculture, Ecosystems, and Environment. 
					
                   Fennimore, S.A. and L.E. Jackson. 2003. Effects of organic 
                    amendments and reduced tillage on weed emergence and seedbanks 
                    in a California vegetable field. Aspects of Applied Biology 
                    69:107-112. 
					
                   Burger, M. and L.E. Jackson. 2003. Microbial immobilization 
                    of ammonium and nitrate in relation to ammonification and 
                    nitrification rates in organic and conventional cropping systems. 
                    Soil Biology and Biochemistry 35:29-36. 
					
                   Jackson, L.E., F.J. Calderón, K.L. Steenwerth, K.M. Scow, 
                    and D.E. Rolston. 2003. Responses of soil microbial processes 
                    and community structure to tillage events and implications 
                    for soil quality. Geoderma 114:305-317 
					
                   Calderón, F.J. and L.E. Jackson. 2002. Roto-tillage, disking 
                    and subsequent irrigation: effects on soil nitrogen dynamics, 
                    microbial biomass and carbon dioxide efflux. Journal of 
                    Environmental Quality 31:752-758 
					
                   Jackson, L.E., I. Ramirez, I. Morales, and S.T. Koike. 2002. 
                    Minimum tillage practices affect disease and yield of lettuce. 
                    California Agriculture 56:35-39. 
					
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