Relative Transport Behavior of Escherichia coli O157:H7 and Salmonella enterica serovar Pullorum in Packed Bed Column Systems: Influence of Solution Chemistry and Cell Concentration
- (Peer Reviewed Journal)
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Haznedaroglu, B.Z., Kim, H.N., Bradford, S.A., Walker, S.L. 2009. Relative Transport Behavior of Escherichia coli O157:H7 and Salmonella enterica serovar Pullorum in Packed Bed Column Systems: Influence of Solution Chemistry and Cell Concentration. Environmental Science and Technology. Vol 43: 1838-1844 |
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Modeling the Coupled Effects of Pore Space Geometry and Velocity on Colloid Transport and Retention
- (Peer Reviewed Journal)
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Bradford, S.A., Torkzaban, S., Leij, F., Simunek, J., Van Genuchten, M.T. 2009. Modeling the Coupled Effects of Pore Space Geometry and Velocity on Colloid Transport and Retention. Water Resources Research. Vol. 45:1-15 |
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Vadose Zone Modeling: Introduction and Importance
- (Review Article)
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Simunek, J., Bradford, S.A. 2008. Vadose Zone Modeling: Introduction and Importance. Vadose Zone Journal. Vol 7:581-586 |
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Cell preparation methods influence Escherichia coli D21g surface chemistry and transport in saturated sand
- (Peer Reviewed Journal)
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Tazehkand, S.S., Torkzaban, S., Bradford, S.A., Walker, S. 2008. Cell preparation methods influence E.coli D21g surface chemistry and transport in saturated sand. Journal of Environmental Quality. Vol 37:2108-2115 |
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Microbiological Evaluation of fecal bacterial Composition from surface water through Aquifer Sand Material
- (Peer Reviewed Journal)
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Ibekwe, A.M., Lyon, S.R. 2008. Microbiological Evaluation of fecal bacterial Composition from surface water through Aquifer Sand Material. Journal of Water and Health. Vol 6 No 3:411-421 |
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Transport and Fate of Bacteria in Porous Media: Coupled Effects of Chemical Conditions and Pore Space Geometry
- (Peer Reviewed Journal)
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Torkzaban, S., Tazehkand, S.S., Walker, S.L., Bradford, S.A. 2008. Transport and Fate of Bacteria in Porous Media: Coupled Effects of Chemical Conditions and Pore Space Geometry. Water Resources Research. Vol 44:1-12 |
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Colloid Transport in Unsaturated Porous Media: The Role of Water Content and Ionic Strength on Particle Straining
- (Peer Reviewed Journal)
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Torksaban, S., Bradford, S.A., Van Genuchten, M.T., Walker, S.L. 2007. Colloid Transport in Unsaturated Porous Media: The Role of Water Content and Ionic Strength on Particle Straining. Journal of Contaminant Hydrology. Vol 96:113-127 |
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Reuse of concentrated animal feed operation wastewater on agricultural lands
- (Peer Reviewed Journal)
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Bradford, S.A., Segal, E., Zhang, W., Wang, Q. 2008. Reuse of concentrated animal feed operation wastewater on agricultural lands. Journal of Environmental Quality. Vol 37:S97-S115 |
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Resolving the coupled effects of hydrodynamics and DLVO forces on colloid attachment in porous media
- (Peer Reviewed Journal)
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Torkzaban, S., Bradford, S.A., Walker, S.L. 2007. Resolving the coupled effects of hydrodynamics and DLVO forces on colloid attachment in porous media. Langmuir. Vol 23:9652-9660 |
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Colloid Transport and Retention in Unsaturated Porous Media: A Review of Interface-Collector, and Pore-Scale Processes and Models
- (Peer Reviewed Journal)
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Bradford, S.A., Torkzaban, S. 2008. Colloid Transport and Retention in Unsaturated Porous Media: A Review of Interface-Collector, and Pore-Scale Processes and Models. Vadose Zone Journal. Vol 7:667-681 |
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Integration of Hard and Soft Data to Characterize Field-Scale Hydraulic Properties for Flow and Transport Studies
- (Peer Reviewed Journal)
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Segal, E., Bradford, S.A., Shouse, P.J., Lazarovitch, N., Corwin, D.L. 2008. Integration of Hard and Soft Data to Characterize Field-Scale Hydraulic Properties for Flow and Transport Studies. Vadose Zone Journal. Vol 7, No. 3:878-889 |
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Characterization of Developing Microbial Communities in Mount St. Helen's Pyroclastic Substrate
- (Peer Reviewed Journal)
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Ibekwe, A.M., Kennedy, A.C., Halvorson, J.J., Yang, C. 2007. Characterization of developing microbial communities in Mount St. Helen's pyroclastic substrate. Soil Biology and Biochemistry. Vol 39:2496-2507 |
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Bacteria Transport and Deposition under Unsaturated Flow Conditions: the Role of Water Content and Bacteria Surface Hydrophobicity
- (Peer Reviewed Journal)
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Gargiulo, G., Bradford, S.A., Simunek, J., Ustohal, P., Vereecken, H., Klumpp, E. 2008. Bacteria transport and deposition under unsaturated flow conditions: the role of water content and bacteria surface hydrophobicity.
Vadose Zone Journal. Vol 7(2):406-419 |
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Coupling of physical and chemical mechanisms of colloid straining in saturated porous media
- (Peer Reviewed Journal)
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Bradford, S.A., Torkzaban2, S., Walker, S.L. 2007. Coupling of physical and chemical mechanisms of colloid straining in saturated porous media. Water Resources Research. Vol 41:3012-3024 |
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A Stochastic Model for Colloid Transport and Deposition
- (Peer Reviewed Journal)
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Bradford, S.A., Toride, N. 2007. A stochastic model for colloid transport and deposition. Journal of Environmental Quality. Vol 36:1346-1356 |
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Bacteria Transport and Deposition under Unsaturated Conditions: the Role of the Matrix Grain Size and the Bacteria Surface Protein
- (Peer Reviewed Journal)
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Gargiulo, G., Bradford, S.A., Simunek, J., Ustohal, P., Vereecken, H., Klumpp, E. 2007. Bacteria transport and deposition under unsaturated conditions: the role of the matrix grain size and the bacteria surface protein. Journal of Contaminant Hydrology. Vol 92:255-273 |
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Survival of Escherichia Coli O157:h7 in Soil and on Lettuce after Fumigation
- (Peer Reviewed Journal)
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Ibekwe, A.M., Grieve, C.M., Yang, C. 2007. Survival of Escherichia Coli O157:H7 in soil and on lettuce after fumigation. Canadian Journal of Microbiology. Vol. 53:623-635 |
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Transport and Deposition of Metabolically Active and Stationary Phase Deinococcus Radiodurans in Unsaturated Porous Media
- (Peer Reviewed Journal)
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Gargiulo, G., Bradford, S.A., Simunek, J., Vereecken, H., Klumpp, E. 2007. Transport and deposition of metabolically active and stationary phase deinococcus radiodurans in unsaturated porous media. Environmental Science and Technology. Vol 41:1265-1271 |
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Fate of E. coli O157:H7 in the Environment
- (Abstract)
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Ibekwe, A.M. 2006. Fate of E. coli O157:H7 in the Environment. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. Paper No. 88-4 |
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Bacterial Composition in Urban Watershed Creeks Impacted by Contaminants from different Sources.
- (Abstract)
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Ibekwe, A.M., Lyon, S.R. 2006. Bacterial Composition in Urban Watershed Creeks Impacted by Contaminants from different Sources. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. Paper No. 186-2 |
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Soil Diversity Along a Forest Profile Using PCR-DGGE
- (Abstract)
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Thompson, M., Moss, E., Ibekwe, A.M., Senwo, Z., Taylor, R. 2006. Soil Diversity Along a Forest Profile Using PCR-DGGE. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. CD-ROM |
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Evaluation of the Effects of Tillage on Selected Soil Enzyme Activities and Soil Microbial Diversity
- (Abstract)
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Durant, M., Ankumah, R., Corley, M., Ibekwe, A.M., Mcintyre, S.C. 2006. Evaluation of the Effects of Tillage on Selected Soil Enzyme Activities and Soil Microbial Diversity. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. CD-ROM |
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Evaluation of the Effect of Arsenic Contamination on Selected Soil Enzyme Activities and Microbial Diversity
- (Abstract)
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Garuba, I., Ankumah, R., Ibekwe, A.M., Corley, M., Egnin, M. 2006. Evaluation of the Effect of Arsenic Contamination on Selected Soil Enzyme Activities and Microbial Diversity. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. CD-ROM. |
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Transport and Straining of E. coli O157:H7 in Saturated Porous Media
- (Abstract)
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Bradford, S.A., Simunek, J., Walker, S.L. 2006. Transport and Straining of E. coli O157:H7 in Saturated Porous Media. American Society of Agronomy Meetings in Indianapolis, IN Nov 12-16, 2006. Paper No. 277-5 |
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Transport of Latex Particles in Variably Saturated Heterogeneous Media
- (Abstract)
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Han, J., Bradford, S.A., Jin, Y. 2006. Transport of Latex Particles in Variably Saturated Heterogeneous Media. American Society of Agronomy Meetings in Indianapolis, IN Nov 12-16, 2006. Paper No. 182-16 |
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Transport and Fate of Nitrate and Pathogens at a Dairy Lagoon Water Application Site
- (Abstract)
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Segal, E., Bradford, S.A., Lazarovitch, N., Shouse, P.J. 2006. Transport and Fate of Nitrate and Pathogens at a Dairy Lagoon Water Application Site. American Society of Agronomy Meetings in Indianapolis, IN Nov 12-16, 2006. CD-ROM. |
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Quantification of survival of Escherichia coli 0157:H7 on Plants affected by Contaminated Irrigation Water
- (Peer Reviewed Journal)
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Ibekwe, A.M., Shouse, P.J., Grieve, C.M. 2006. Quantification of survival of Escherichia Coli 0157:H7 on Plants affected by Contaminated Irrigation Water. Engineering in Life Sciences. Vol. 6:566-572 |
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Transport and Straining of E. Coli O157:h7 in Saturated Porous Media
- (Peer Reviewed Journal)
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Bradford, S.A., Simunek, J., Walker, S.L. 2006. Transport and straining of E. coli O157:H7 in saturated porous media. Water Resources Research. VOL 42, W12S12 |
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Significance of Straining in Colloid Deposition: Evidence and Implications
- (Peer Reviewed Journal)
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Bradford, S.A., Simunek, J., Bettahar, M., Van Genuchten, M.T., Yates, S.R. 2006. Significance of straining in colloid deposition: evidence and implications. Water Resources Research. VOL 42, W12S15 |
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Impact of Plant Density and Microbial Composition on Water Quality from a Free Water Surface Constructed Wetland
- (Peer Reviewed Journal)
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Ibekwe, A.M., Lyon, S.R., Leddy, M., Jacobson-Meyers, M. 2007. Impact of plant density and microbial composition on water quality from a free water surface constructed wetland. Journal of Applied Microbiology. 102:921-936 |
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Impact of Plant Density and Microbial Composition on Water Quality from a Free Water Surface Constructed Wetland
- (Abstract)
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Ibekwe, A.M. 2006. Impact of plant density and microbial composition on water quality from a free water surface constructed wetland. American Society of Agronomy Abstracts, annual meeting, Salt Lake City, UT. [CD-ROM] |
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Persistence of Escherichia Coli O157:h7 in Soil after Fumigations
- (Abstract)
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Ibekwe, A.M., Grieve, C.M., Yang, C.-. 2006. Persistence of escherichia coli O157:H7 in soil after fumigations. [CD-ROM] American Society for Microbiology Annual Meeting. Orlando, FL. |
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Coupling of Physical and Chemical Mechanisms of Colloid Deposition
- (Abstract)
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Bradford, S.A., Torkzaban, S., Walker, S. 2006. Coupling of physical and chemical mechanisms of colloid deposition. Annual Colloid and Surface Science Symposium. Paper No. 63. |
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Colloid Transport in Unsaturated Porous Media: the Role of Water Content and Ionic Strength on Particle Straining
- (Abstract)
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Torkzaban, S., Bradford, S.A., Walker, S. 2006. Colloid transport in unsaturated porous media: the role of water content and ionic strength on particle straining. Annual Colloid and Surface Science Symposium. Paper No. 21. |
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A New Paradigm for Pathogen Transport and Deposition in Porous Media: the Role of Pore Structure and Colloid-Colloid Interactions
- (Abstract)
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Walker, S., Bradford, S.A. 2006. A new paradigm for pathogen transport and deposition in porous media: the role of pore structure and colloid-colloid interactions. Annual Colloid and Surface Science Symposium. Paper No. 14. |
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Transport of Coliphage in the Presence and Absence of Manure Suspension
- (Peer Reviewed Journal)
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Bradford, S.A., Tadassa, Y.F., Jin, Y. 2006. Transport of coliphage in the presence and absence of manure suspension. Environmental Science and Technology. VOL 35:1692-1701 |
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Colloid-Facilitated Solute Transport in Variably-Saturated Porous Media: Numerical Model and Experimental Verification
- (Peer Reviewed Journal)
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Simunek, J., He, C., Pang, L., Bradford, S.A. 2006. Colloid-facilitated solute transport in variably-saturated porous media: numerical model and experimental verification. Vadose Zone Journal. Vol 5:1035-1047 |
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Real-Time Pcr Quantification of Persistence of Escherichia Coli O157:h7 in Soil Impacted by Fumigations
- (Abstract)
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Ibekwe, A.M., Grieve, C.M. 2006. Real-time pcr quantification of persistence of escherichia coli o157:h7 in soil impacted by fumigations. (Abstract) CD-ROM. Annual Quantitative Polymerase Chain Reaction (PCR) Meeting. |
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Interfacial Area Estimates for a Napl-Water System and Their Effect on Predicting Groundwater Remediation Efficiency
- (Abstract)
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Wildenschild, D., Bradford, S.A. 2005. Interfacial area estimates for a napl-water system and their effect on predicting groundwater remediation efficiency. EOS Transactions, Fall Meeting. 86:H33A-1372.
American Geophysical Union. |
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Response of Matthiola Incana to Irrigation with Saline Wastewaters
- (Peer Reviewed Journal)
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Grieve, C.M., Poss, J.A., Amrhein, C. 2006. Response of Matthiola incana to Irrigation with Saline Wastewaters. HortScience. 41:119-123. |
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Significance of Straining in Colloid Deposition: Evidence and Implications
- (Abstract)
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Bradford, S.A., Simunek, J., Bettahar, M., Van Genuchten, M.T., Yates, S.R. 2005. Significance of straining in colloid deposition: evidence and implications. Geological Society of America Meeting. Paper No. 243-4 |
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Transport of Giardia and Manure Suspensions in Saturated Porous Media
- (Peer Reviewed Journal)
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Bradford, S.A., Tadassa, Y.F., Pachepsky, Y.A. 2006. Transport of giardia and manure suspensions in saturated porous media. Journal of Environmental Quality. 35:749-757. |
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Modeling of Colloid Transport and Deposition in Porous Media
- (Proceedings/Symposium)
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Bradford, S.A., Van Genuchten, M.T., Simunek, J. 2005. Modeling of colloid transport and deposition in porous media. Proceedings of the workshop on HYDRUS Applications, Oct. 19, 2005, Utrecht Univ., The Netherlands. p. 1-5. |
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Impact of Plant Species and Density on Microbial Community Composition in a Free Water Surface Constructed Wetland
- (Abstract)
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Ibekwe, A.M., Leddy, M., Lyon, S.R., Jacobson, M. 2005. Impact of plant species and density on microbial community composition in a free water surface constructed wetland. American Society for Microbiology Annual Meeting. CD-ROM, Atlanta, GA. |
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Determining Rate of Change in Cucumber Rhizosphere Microbial Community Composition in Response to Soil Ph, Salinity, and Boron
- (Proceedings/Symposium)
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Ibekwe, A.M., Grieve, C.M., Poss, J.A., Grattan, S., Suarez, D.L. 2005. Determining rate of change in cucumber rhizosphere microbial community composition in response to soil pH, salinity, and boron. In: Proceedings of the International Salinity Forum, Managing Saline Soils and Water: Science, Technology, and Soil Issues. April 25-27, 2005. Riverside, CA pp:77-80. |
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Persistence of Escherichia Coli O157:h7 in Rhizosphere and Non-Rhizosphere Soils after Fumigation
- (Abstract)
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Ibekwe, A.M. 2005. Persistence of Escherichia coli O157:H7 in rhizosphere and non-rhizosphere soils after fumigation. International Union of Microbiological Societies Proceedings/Abstracts. Page 18. |
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Colloid-Facilitated Transport in Variably Saturated Porous Media: Numerical Modeling and Experimental VERIFICATION.
- (Abstract)
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He, C., Simunek, J., Pang, L., Bradford, S.A. 2005. Colloid-facilitated transport in variably saturated porous media: numerical modeling and experimental verification. [CD-ROM] Agronomy Abstracts. SSSA Annual Meeting. Salt Lake City, UT. |
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Concentration Dependent Colloid Transport in Saturated Porous Media
- (Abstract)
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Bradford, S.A. 2005. Concentration dependent colloid transport in saturated porous media. American Chemical Society Abstracts, San Diego, CA. 229:U646-U647. |
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