Chang Jeong

Jeong, Chang Yoon
Title Assistant Professor
Department Red River Research Station
E-mail CJeong@agcenter.lsu.edu
Address 1 262 Research Station Drive
Bossier City, LA 71112
Phone 318-741-7430
Fax 318-741-7433

Education

Environmental Chemistry, Environmental Science Section, School of Biological Science, University of Nottingham, UK. Doctor of Philosophy, 1998.

Agricultural Chemistry, Korea University, Seoul, Korea, Master of Science, 1991.

Agricultural Chemistry, Korea University, Seoul, Korea, Bachelor of Science, 1987.

Employment History:

February 2014 – Present: Assistant Professor at Red River Research Station, LSU AgCenter

June 2008 – January 2014: Research Scientist at School of Plant, Environmental, and Soil Sciences, Ag-Center, Louisiana State University

November 2002 – May 2008: Research Basin Coordinator at Department of Renewable Resources, University of Louisiana, Lafayette

January 2000 – October 2002: Post-doctoral research Associate, Department of Agronomy, Kansas State University, Manhattan, KS.

Developing Real -Time CO2 Gas Flux Measuring Chamber in the soil system (PI, Changyoon Jeong, LSU LIFT2 Proposal, 1/1/2017 -12/31/2017), $13,200.

Evaluation of recycled tailwater irrigation on soil nutrients, soil salinity distribution, and soybean yield in Louisiana. (PI, Changyoon Jeong, Ernest Girouard, Syam Dodla, and Blair Buckley, Soybean and Grain Research and Promotion Board, 4/01/2017 – 3/31/2018), $22,500

Sustainable row crop irrigation management in Louisiana. (CO-PI, Dan Fromme, Changyoon Jeong, Syam Dodla, Stacia Davis, Naveen Adusumilli, Bruce Garner, Chris, Coreil, Steve Nipper, Odis Hill SARE, 4/01/2015 – 3/31/2017), SARE, $69,167.

Demonstration of integrated irrigation management to improve water and nutrient use efficiency, soil health, and water quality in furrow irrigated agriculture. (CO-PI, Syam Dodla, Changyoon Jeong, Jim Wang, Magdi Selim, USDA-NRC CIG, 9/30/2015-9/29/2018), $74,408.

Demonstration of integrated legume- grass forage system to improve air and water quality through decreased N fertilization (CO-PI, Jim Wang, Syam Dodla, Guillermo Scaglia, Changyoon Jeong, USDA-NRC CIG, 9/30/2015-9/29/2018), $74,408.

Water-use efficiency for drought resilience during rain water harvest (Mentor, USDA Borlaug Fellowship Program, 02/15/2016 – 05/06/2016, $36,080.

Water quality and soil health improvement in Shifttail canal watershed (CO-PI, Brian Baiamonte (Caddo Soil and Water Conservation District), Changyoon Jeong, Stacia Davis, Syam Dodla, Naveen Adusumilli, NRCS, 10/01/2016 – 9/31/2019, NRCS-RCPP $503,982.

Pending Project:

Optimal Strategies to Reduce the Risk of Human Health by Cyanobacterial Toxins in Agricultural Watershed (PI, Changyoon Jeong, Ernest Girouard, Jong Hyun Ham, Lisa Fultz, and James Hendrix, EPA, 10/01/2016-9/30/2019), $399,925.

Modeling the effects of species and management intensity on soil greenhouse gas efflux and total ecosystem carbon cycling in a five-year-old short-rotation woody crop system planted on shrink-swell clays within the Lower Mississippi Alluvial Valley (CO-PI, Michael Tyree, Michael Blazier, Changyoon Jeong, Emile Gardiner, Ted Leininger, NASA, 01/01/2017 -12/31/2019), $310,603.

Development of a System Using City Wastewater for Irrigation and Fertilization of Crops in Farming Systems (PI in US, Changyoon Jeong & PI in Ukrainian, Grigorii Kaletnik, 2016 CRDF Global, U.S.-Ukrainian Agricultural Research Competition, 01/01/2017 – 12/31/2018), total $90,000 ($45,000 for US).

Evaluating on-land and off-land management practices in poultry litter application to reduce nutrient losses and modeling the assessment of environmental impacts by SWAT model (PI, Changyoon Jeong, Michael Blazer, William Owens, Ernest Girouard, Blair Buckley, USDA NRCS National CIG, 01/01/2017-12/31/2019), $361,746.


Conducted Research:

Efficiency of circular irrigation practices impact on nutrient recycling in rice and soybean fields, and improve water quality through the reuse of irrigation system (Co-PI, NRCS, 05/01/2014 – 4/30/2016), $50,000.

Evaluation of recycled tailwater quantity and quality on soil nutrients, soil salinity, soil moisture distribution, and cotton yield in Northwest Louisiana (PI, Cotton Incorporated, 01/01/2015 – 12/31/2015), $5,000.

Evaluation of recycled tailwater irrigation on soil nutrients, soil salinity distribution, and soybean yield in Louisiana (PI, Soybean and Grain Research and Promotion Board, 4/01/2015 – 3/31/2016), $18,700.

Evaluation of Agrotain-plus for enhancing N use efficiency of poultry litter. (CO-PI, 2014-2015, (Koch Industries), $25,000.

Use of sugarcane residue and rice straw as biochar soil amendment to reduce greenhouse gas emission, enhance soil carbon sequestration, and improve water quality in sugarcane and rice production (Co-PI (Main role scientist), Jim Wang, Changyoon Jeong, Sonny Viator, Syam Dodla, USDA-NRCS CIG, 2011 October – 2013 September),$503,954.

Jeong, C.Y. and J. H. Ham. 2016. Comparative analysis of the microbial community in the sediments of two constructed wetlands differentially influenced by the concentrated poultry feeding operations. Journal of Soils and Sediments. First Online: 05 October 2016, DOI: 10.1007/s11368-016-1572-5

Jeong, C.Y., Dodla, S.D., and J. J. Wang. 2016. Fundamental and molecular composition characteristics of biochars produced from sugarcane and rice crop residues and by-products. Chemosphere 142. 4 - 13.

DeRamus, H.A., C.Y. Jeong, T.J. Clement, and J.C. Berry. 2015. Comparison of Beef Cattle Grazing Management Practices and their Effects on Runoff Water Quality in Louisiana. Global Journal of Agricultural Innovation, Research & Development. 2: 1-15.

Jeong, C.Y., D.C. A. DeRamus, J.J. Wang, and L.L. Goodeaux. 2013. Effects of residue management on nitrogen losses in surface and sub-surface water from sugarcane fields. Archives of Agronomy and Soil Science. DOI:10.1080/03650340.2013.771813.

Poudel, D.D, T. Lee, R. Srinivasan, K. Abbaspour, and C.Y. Jeong. 2013. Assessment of seasonal and spatial variation of surface water quality, identification 1 of factors associated with water quality variability, and the modeling of critical 2 nonpoint source pollution areas in an agricultural watershed. Journal of Soil and Water Conservation. 68 (3): 155-171. doi:10.2489/jswc.68.3.155.

Jeong, C.Y., D.C. A. DeRamus, J.J. Wang, and L.L. Goodeaux. 2013. Effects of residue management on nitrogen losses in surface and sub-surface water from sugarcane fields. Archives of Agronomy and Soil Science. DOI:10.1080/03650340.2013.771813.

Jeong C.Y., J. J. Wang, S. Dodla, T. L. Eberhardt, and L. Groom. 2012. Effect of Biochar Amendment on Tylosin Adsorption/Desorption and Transport in Two Different Soils. Journal of Environmental Quality. 41: 1185-1192.

Jeong, C. Y. and H. M. Selim. 2011. Adsorption-desorption kinetics of imidacloprid in soils: Influence of phosphate. Soil Science 176 (11): 582-588

Jeong, C.Y., D.C. Weindorf, A. DeRamus, and L.L. Goodeaux. 2011. Surface and subsurface phosphorus losses from sugarcane fields with different management practices. Water, Air, and Soil Pollution 217: 649-661.

Jeong, C.Y. and H.M. Selim. 2010. Retention kinetics of insecticides in soils: Imidacloprid Adsorption-Desorption. Soil Science 175 (5): 214-222.

Poudel, D.D., C.Y. Jeong, and A. DeRamus. 2010. Surface run-off water quality from agricultural lands and residential areas. Out Look on Agriculture 39(2): 95-105.

Poudel, D.D. and C.Y. Jeong, 2009. Comparison of flow-paced discrete and the manual composite sampling strategies for edge-of-field surface runoff water quality. Journal of Soil and Water Conservation Vol. 64(5): 324-335.

Jeong, C.Y., S.D. Young, and S.J. Marshall. 2007. Competitive adsorption of heavy metals on humic surface by a simple ligand model. Soil Science Society of America Journal Vol. 71, No. 2: 515- 528.

Jeong, C.Y., C.W. Park, J.G. Kim, and S.K. Lim. 2007. Carboxylic content of humic acid determined by modeling, calcium acetate, and precipitation methods. Soil Science Society of America Journal, Vol. No. 1: 71: 86- 94.

Xia, K., and C.Y. Jeong. 2004. Photodegradation of Endocrine-Disrupting Chemical 4-Nonylphenol in biosolids Applied to Soil. Journal of Environmental Quality, Vol. 33: 1568-1574.

Kim, J.G., S.K. Lim, S.H. Lee, C.H. Lee and C.Y. Jeong. 1999. Evaluation of heavy metal pollution and plant survey around inactive and abandoned mining areas for phytoremediation of heavy metal contaminated soils. Korean Journal of Environmental Agriculture, Vol.18, No. 1, 30-35.

Jeong, C.Y., C.W. Park, J.G. Kim and S.K. Lim. 1999. Proton affinity distributions of humic acid extracted from Upland and Paddy soils. Journal of Korean Society of Soil Science and Fertilizer, Vol.32, No.429-439.

Lim, S.K., M.Y. Lee, S.H. Hyun, C.Y. Jeong, S.E. Lee and J.G. Kim. 1998. Effect of Soil Organic Matter on Surface Charge Characteristics of Some Paddy and Upland Soil. Journal of Korean Society of Soil Science and Fertilizer, Vol.31, No.4, 414-419.

Lim, S.K., I.R. Kenney, S.E. Lee, C.Y. Jeong and J.G. Kim. 1998. Environmental Impacts and Rapid Analysis by Biosensors of Agrochemicals in Korea and Australia. Korean Journal of Environmental Agriculture, Vol.17, No. 4, 371-378.

Magazine Articles:

Jeong, C.Y., C. Lott, N. Glenn, and P. Colyer. 2016. Impact of salinity stress using recycled potting media in greenhouse tomato production. Louisiana Agriculture. Vol. 59, No3: 20-21.

Selim, H.M., C.Y. Jeong, A.E. Arceneaux, and R.L. Bengtson. 2011. Effect of best management strategies. Louisiana Agriculture, Vol. 54 (4): 22 – 23.

Proceedings:

Jeong, C.Y., and D.D. Poudel. 2006. Rainstorm effect on total suspended solids and nutrient concentration in Bayou Plaquemine Brule. Louisiana Surface Water Quality conference Proceedings, p37 – 49.

Poudel, D.D., C.Y. Jeong, and C. Anzalone. 2006. Seasonal variation in dissolved levels in Bayou Plaquemine Brule watershed. Louisiana Surface Water Quality conference Proceedings, p12 – 22.

Poudel, D.D., C.Y. Jeong, C. Anzalone, T. Haley, G. Guidroz, and D. Deoras. 2006. Nutrient loadings from sugarcane fields, pasture lands, and residential areas with and without Best Management Practices (BMPs). Louisiana Surface Water Quality conference Proceedings, p104 – 123.

Presentations:

Jeong, C.Y., E. Girouard, H. Abdullah, and H.H. Ku. 2016. Evaluation of the quality of diverted water from the Red Bayou for Irrigation in Northwest Louisiana. Poster presented at ASA-CSSA-SSSA Annual Meetings, Phoenix, AZ., November 6-9, 2016.

Ku, H.H., K. Hayashi, R. Agbisit, G. Villegis-Pangga, S-E. Lee, and C.Y. Jeong. 2016. Alternative water management effects on rice productivity and greenhouse gas (GHG) emission. Oral presented at ASA-CSSA-SSSA Annual Meetings, Phoenix, AZ., November 6-9, 2016.

Jeong, C.Y. and E. Girouard. 2016. Oral Presentation on: Edge of field study on phosphorus runoff losses from sugarcane fields under different management practices. 2016 UCOWR/NIWR Annual Water Resources Conference, Hilton Pensacola Beach Hotel, Pensacola Beach, FL., June 21-23, 2016.

Jeong, C.Y. and E. Girouard. 2016. Oral Presentation on: Development of best management practices for the reuse of agricultural runoff as irrigation water in rice- soybean production systems. 2016 UCOWR/NIWR Annual Water Resources Conference, Hilton Pensacola Beach Hotel, Pensacola Beach, FL., June 21-23, 2016.

Jeong, C.Y. and E. Girouard. 2016. Evaluation of the Quality of Diverted Water from the Red Bayou for Irrigation in Northwest Louisiana. 10th Annual Louisiana Groundwater, Surface Water and Water Resources Symposium, Dalton Woods Auditorium Energy, Coast & Environment Building Louisiana State University Baton Rouge, Louisiana, March 24-25, 2016

Jeong, C.Y. 2016. BMPs for Reducing Nutrient Runoff and Improving Water Quality in Louisiana Agricultural Watershed. Northeast Regional Irrigation Conference, Sustainable Row Crop Irrigation Management, Scott Research/Extension and Education Center, Winnsboro, LA. January 21, 2016.

Jeong, C.Y. and J.H. Ham. 2015. Characterization of microbial community structure in wetlands sediments contaminated with animal waste. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Meeting, Minneapolis, MN. Nov. 15-18.

Jeong, C.Y., J.J. Wang, Dustin Harrell. 2014. Effect of biochar amendment on greenhouse emissions from rice paddy and sugarcane soils in the subtropical region of USA. 20th World Congress of Soil Science, Jeju, Korea, June 8-13.

Jeong, C.Y., J.J. Wang, S.K. Dodla, and R. DeLaune. 2013. Movement of petroleum hydrocarbons in wetland soils. Gulf of Mexico: Oil Spill, Ecosystem Science Conference, New Orleans, LA, January 21 – 23.

Dodla, S.K., C.Y. Jeong, J.J. Wang, and R. DeLaune. 2013. Degradation of crude oil in saline marsh soil in Gulf of Mexico under different redox conditions. Gulf of Mexico: Oil Spill, Ecosystem Science Conference, New Orleans, LA, January 21 – 23.

Jeong, C.Y., J.J. Wang, and S.K. Dodla. 2011. Characteristics and environmental impact of thermal biochar from sugarcane and rice residues. Oral presented at ASA-CSSA-SSSA Annual Meetings, San Antonio, TX, October 16 - 19.

Jeong, C.Y., J.J. Wang, and S.K. Dodla. 2011. Sorption of Tylosin by humic and humic-like substances. Poster presented at ASA-CSSA-SSSA Annual Meetings, San Antonio, TX, October 16 - 19.

Wang, J.J., R. DeLaune, C.Y. Jeong, and S. Dodla. 2011. Mobility characteristics and redox influence in controlling degradation of oil hydrocarbons in wetland soils. Poster presented at ASA-CSSA-SSSA Annual Meetings, San Antonio, TX, October 16 - 19.

Dodla, S. K., J.J. Wang, C.Y. Jeong, S. Dattamudi, R. DeLaune, S. Viator, A. Hiscox, R. Sheffield, and T. Hymel. 2011. Effect of nitrogen fertilization, harvesting and residue management practices on greenhouse gas, ammonia and particulate matter emissions in sugarcane production. Poster presented at ASA-CSSA-SSSA Annual Meetings, San Antonio, TX, October 16 - 19.

Wang, J.J., Z. Zhou, J. Du, J. Yang, M. Ali, C.Y. Jeong, D.C. Seo, R. DeLaune, L. Gaston, A. Roy, and S. Dodla. 2011. Behavior characteristics and environmental control of tylosin in soil and manure. Oral presented at ASA-CSSA-SSSA Annual Meetings, San Antonio, TX, October 16 - 19.

Jeong, C.Y., J.J. Wang, and S.K. Dodla. 2010. Antibiotics transport in different soils amended with biochar. Poster presented at ASA-CSSA-SSSA Annual Meetings, Long Beach, CA, October 31 - November 3.

Dodla, S. K., J.J. Wang, and C.Y. Jeong. 2010. Characterization of soil organic carbon in long-term sugarcane and rice production systems. Oral presented at ASA-CSSA-SSSA Annual Meetings, Long Beach, CA, October 31 - November 3.

Jeong, C.Y., S.K. Dodla, and J.J. Wang. 2010. Characterization and acid-base properties of humic-like substances extracted from different sources. Poster presented at ASA-CSSA-SSSA Annual Meetings, Long Beach, CA, October 31 - November 3.

Wang, J.J., S.K. Dodla, G. Scaglia, and C.Y. Jeong. 2010. Soil carbon distribution under different pasture systems and its relationship with greenhouse gas emissions. Poster presented at ASA-CSSA-SSSA Annual Meetings, Long Beach, CA, October 31 - November 3.

Dodla, S. K., J.J. Wang, and C.Y. Jeong. 2010. Greenhouse gas production from woody swamp and saline marsh soils under different electron accepters. Poster presented at ASA-CSSA-SSSA Annual Meetings, Long Beach, CA, October 31 - November 3.

Jeong, C.Y. and H.M. Selim. 2009. Retention of Imidacloprid in different Louisiana soils: Adsorption-Desorption Kinetics. Poster presented at ASA-CSSA-SSSA Annual Meetings, Pittsburgh, PA, November 1–5.

Selim, H.M., C.Y. Jeong, A.E. Arceneaux, and R.L. Bengtson. 2009. Bayou Wikoff Sub-Watershed: Water Quality Monitoring and BMP Implementation. Poster presented at ASA-CSSA-SSSA Annual Meetings, Pittsburgh, PA, November 1–5.

Jeong, C.Y., and D.D. Poudel. 2007. Modeling Surface Charge and Cation Binding in Humic substances Extracted from the Bottom Sediments of Bayou Plaquemine Brule in Louisiana. Poster presented at ASA-CSSA-SSSA Annual Meetings, New Orleans, Louisiana, November 4–8.

Poudel, D.D., and C.Y. Jeong. 2007. Critical Water Quality Areas in Bayou Plaquemine Brule Watershed in Louisiana. Poster presented at ASA-CSSA-SSSA Annual Meetings, New Orleans, Louisiana, November 4–8.

DeRamus, H.A., C.Y. Jeong, T. Clement, L.L. Goodeaux, and C. Berry. 2007. Effect of Cattle Grazing Management on Runoff Water Quality. Oral presented at ASA-CSSA-SSSA Annual Meetings, New Orleans, Louisiana, November 4–8.

Jeong, C.Y. 2006. Competitive adsorption of heavy metals on humic surface by a simple ligand model. Oral presented at the Division of Geochemistry, Physical Chemistry of Soil and Aquifer System: A Symposium in Honor of Garrison Sposito, the American Chemical Society Meetings, San Francisco, September 10-14.

Clement, T.J., C.Y. Jeong, and H.A. DeRamus. 2006. Impact of grass field strip on water quality from sugarcane field runoff. 2005 Louisiana Surface Water Quality conference Proceedings, June 1-3.

Jeong, C.Y. and D.D. Poudel. 2005. Discharge measurement in a stream by using Acoustic Doppler Current Profilers (ADCP) and Manning’s equation. Oral presented at Louisiana Academy of Science Annual Meetings, Grambling, Louisiana, March 18.

Jeong, C.Y. and D.D. Poudel. 2004. Suspended solid and its cation binding capacity in Bayou Plaquemine Brule, Louisiana. Poster presented at ASA-CSSA-SSSA Annual Meetings, Seattle, Washington, October 31 – November 4.

Poudel, D.D., C.Y. Jeong and S. Kolian. 2004. Surface water quality in Bayou Plaquemine Brule in southwestern Louisiana. Oral presented at ASA-CSSA-SSSA Annual Meetings, Seattle, Washington, October 31 – November 4.

Jeong, C.Y., D.D. Poudel, and S. Kolian. 2003. Nutrient loading, SOD and DO in Bayou Plaquemine Brule watershed in southwestern Louisiana. Poster presented at ASA-CSSA-SSSA Annual Meetings, Denver, Colorado, November 2 -6.

Poudel, D.D., C.Y. Jeong and S. Kolian. 2003. Nutrient loadinging surface runoff from sugarcane field, pasture lands, and rural residential areas in Vermilion-teche river basin, Louisiana. Oral presented at ASA-CSSA-SSSA Annual Meetings, Denver, Colorado, November 2 -6.

Jeong, C.Y., D.D. Poudel, and S. Kolian. 2002. Water quality monitoring in Bayou Plaquemine Brule watershed in southwestern Louisiana. Poster presented at ASA-CSSA-SSSA Annual Meetings, Indianapolis, Indiana, November 10 -14.

Poudel, D.D., C.Y. Jeong, H. Chen and S. Kolian. 2002. Monitoring surface runoff from sugarcane fields, pasture lands, and rural residential areas in Vermilion-teche river basin, Louisiana. Poster presented at ASA-CSSA-SSSA, Indianapolis, Indiana, November 10 -14.

Xia, K. and C.Y. Jeong. 2001. Photodegradation of Endocrine-Disrupting Chemical 4-Nonylphenol in Biosolids. Poster presented at ASA-CSSA-SSSA Annual Meetings, Charlotte, North Carolina, October 21 -25.

Jeong, C.Y. and K. Xia. 2000. The effect of phosphorous and nitrogen on the interaction of atrazine with water-soluble organic matter. Poster presented at ASA-CSSA-SSSA Annual Meetings, Minneapolis, November 5 - 9.

Xia, K, C.Y. Jeong, O. Prakash, and Y.X. Gong. 2000. Two-Dimensional Nuclear Magnetic Resonance (2-D NMR) Analysis of IHSS Humic Substances. Poster presented at ASA-CSSA-SSSA Annual Meetings, Minneapolis, November 5 -9.

Williams, M.A., C.Y. Jeong, K. Xia, C.W. Rice, and O. Prakash. 2000. Analysis of Soil Microbial Turnover Using 2-D NMR. Poster presented at ASA-CSSA-SSSA Annual Meetings, Minneapolis, November 5 - 9.



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