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United States Department of Agriculture

Agricultural Research Service

Suduan Gao
Soil Scientist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Long-term manure incorporation with chemical fertilizers reduced environmental nitrogen loss in rain-fed cropping systems -
Key factors, Soil N Processes, and nitrite accumulation affecting nitrous oxide emissions -
An inexpensive automatic sampler with static chambers for nitrous oxide emission measurement -
Gao, S., Hendratna, A., Pflaum, T. 2016. An inexpensive automatic sampler with static chambers for nitrous oxide emission measurement. International Journal of Environmental Science and Development. 8(1):55-61. doi: 10.18178/ijesd.2017.8.1.920.
The mechanisms for 1,3-dichloropropene dissipation in biochar-amended soils -
Wang, Q., Gao, S., Wang, D., Spokas, K.A., Cao, A., Yan, D. 2016. The mechanisms for 1,3-dichloropropene dissipation in biochar-amended soils. Journal of Agricultural and Food Chemistry. 64(12):2531-2540.
Minimize emissions and improve efficacy with low permeability tarp and deep injection in soil fumigation -
Gao, S., Doll, D., Qin, R., Rana Dangi, S., Hanson, B., Gerik, J.S., Browne, G.T., Wang, D. 2015. Minimize emissions and improve efficacy with low permeability tarp and deep injection in soil fumigation. Almond Industry Conference Proceedings. p.57.
Nitrogen transformation and nitrous oxide emissions affected by biochar amendment and fertilizer stabilizers -
Gao, S., Cai, Z. 2015. Nitrogen transformation and nitrous oxide emissions affected by biochar amendment and fertilizer stabilizers. ASA-CSSA-SSSA Annual Meeting. Abstract CD #369-3. 2015 ASA-CSSA-SSSA International Annual Meeting, Nov. 15-19, 2015, Minneapolis, MN.
Emission, pest control, and crop response in almond orchard soil fumigation -
Gao, S., Doll, D., Qin, R., Dangi, S., Gerik, J.S., Hanson, B.D., Wang, D. 2015. Emission, pest control, and crop response in almond orchard soil fumigation. Proceeding of Annual International Research Conference on MeBr Alternatives and Emission Reductions, San Diego, CA, Nov. 8–10, 2015. p.3(1-3).
Effect of application rate on fumigant degradation in five agricultural soils -
Qin, R., Gao, S., Ajwa, H., Hanson, B.D. 2016. Effect of application rate on fumigant degradation in five agricultural soils. Science of the Total Environment. 541:529-534.
Optimizing fumigation efficiency by doubling drip line number and using low permeability film in raised-bed production systems -
Qin, R., Daugovish, O., Gao, S., Gerik, J.S., Hanson, B. 2015. Optimizing fumigation efficiency by doubling drip line number and using low permeability film in raised-bed production systems. Abstract CD #355-3. 2015 ASA-CSSA-SSSA International Annual Meeting, Nov. 15-19, 2015, Minneapolis, MN
Improving fumigation efficiency by increasing drip-tape number and using low permeability film in raised-bed production systems -
Qin, R., Daugovish, O., Gao, S., Hanson, B. 2015. Improving fumigation efficiency by increasing drip-tape number and using low permeability film in raised-bed production systems. Meeting Abstract. Abstract CD #355-3.
Pre-plant soil fumigation with reduced rates under low permeable films for tree nursery production, orchard and vineyard replanting -
Cabrera, A.J., Hanson, B.D., Abit, M.M., Gerik, J.S., Gao, S., Qin, R., Wang, D. 2015. Pre-plant soil fumigation with reduced rates under low permeable films for tree nursery production, orchard and vineyard replanting. Crop Protection Journal. 75:34-39.
Fumigation efficacy and emission reduction using low-permeability film in orchard soil fumigation -
Gao, S., Hanson, B.D., Cabrera, J.A., Sosnoskie, L., Qin, R., Gerik, J.S., Wang, D., Browne, G.T., Thomas, J. 2015. Fumigation efficacy and emission reduction using low-permeability film in orchard soil fumigation. Pest Management Science. doi: 10.1002/ps.3993.
Intensified soil acidification from chemical N fertilization and prevention by manure in an 18–year field experiment in the red soil of southern China -
Cai, Z., Wang, B., Xu, M., Zhang, H., He, X., Zhang, L., Gao, S. 2015. Intensified soil acidification from chemical N fertilization and prevention by manure in an 18–year field experiment in the red soil of southern China. Journal of Soils and Sediments. 15:260–270.
Use of soil fumigants and air quality issues in California, USA -
Gao, S. 2014. Use of soil fumigants and air quality issues in California, USA. Meeting Abstract. in Proceeding of International Workshop on Farmland Environment Quality and Green Agriculture Production, Rosa Luxemburg Foundation and Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, September 3-4, 2014, Beijing, China. pp. s-1.
Evaluation of factors affecting nitrous oxide emission and N transformation in a sandy loam soil -
Cai, Z., Gao, S., Hendratna, A., Duan, Y., Xu, M., Hanson, B. 2014. Evaluation of factors affecting nitrous oxide emission and N transformation in a sandy loam soil. Meeting Abstract. Abstract CD #248-13.
Improving fumigant efficiency by deep application and totally impermeable film covering raised-beds for strawberry production -
Qin, R., Daugovish, O., Gao, S., Hanson, B., Gerik, J.S., Ajwa, H. 2014. Improving fumigant efficiency by deep application and totally impermeable film covering raised-beds for strawberry production. Meeting Abstract. Abstract CD #94-3.
Evaluation of greenhouse gas emissions in relation to irrigation methods and sustainable production in California orchard -
Gao, S. 2014. Evaluation of greenhouse gas emissions in relation to irrigation methods and sustainable production in California orchard. Conference Abstract Book of BIT’s 4th Annual World Congress of Agriculture, August 29-31, 2014, Changchun, China. p. 76.
Nitrification and acidification from urea application in red soil (Ferralic Cambisol) after different long-term fertilization treatments -
Cai, Z., Wang, B., Xu, M., Zhang, H., Zhang, L., Gao, S. 2014. Nitrification and acidification from urea application in red soil (Ferralic Cambisol) after different long-term fertilization treatments. Journal of Soils and Sediments. 14:1526-1536.
Deep drip application and low permeability tarp on fumigant behavior in raised-bed systems for strawberry production -
Qin, R., Gao, S., Hanson, B., Daugovish, O., Gerik, J.S., Ajwa, H. 2014. Deep drip application and low permeability tarp on fumigant behavior in raised-bed systems for strawberry production. California Plant and Soil Conference Proceedings. p. 136.
Two year measurement of nitrous oxide emission from high frequency surface and subsurface drip irrigations in pomegranate orchard -
Hendratna, A., Gao, S., Cai, Z., Phene, C. 2014. Two year measurement of nitrous oxide emission from high frequency surface and subsurface drip irrigations in pomegranate orchard. California Plant and Soil Conference Proceedings. p. 131.
Effect of urea application rate and water content on nitrous oxide emission from a sandy loam soil - a laboratory study -
Cai, Z., Gao, S., Hendratna, A., Duan, Y., Hanson, B. 2014. Effect of urea application rate and water content on nitrous oxide emission from a sandy loam soil - a laboratory study. California Plant and Soil Conference Proceedings. p.131.
Surface application of biochar to reduce chloropicrin emissions -
Wang, Q., Cao, A., Wang, D., Gao, S. 2014. Surface application of biochar to reduce chloropicrin emissions. California Plant and Soil Conference Proceedings. p. 140.
Nitrogen use efficiency in a wheat-corn cropping system from 15 years of manure and fertilizer applications -
Duan, Y., Xu, M., Gao, S., Yang, X., Huang, S., Liu, H., Wang, B. 2014. Nitrogen use efficiency in a wheat-corn cropping system from 15 years of manure and fertilizer applications. Field Crops Research. 157:47-56.
Using TIF tarp and reduced fumigation rates for almond replanting -
Gao, S. 2013. Using TIF tarp and reduced fumigation rates for almond replanting. 2012-2013 Annual Reports CD-ROM. Modesto, California: Almond Board of California.
Surface application of biochar to reduce emissions of 1,3-dichloropropene -
Wang, Q.X., Cao, A., Wang, D., Gao, S. 2013. Surface application of biochar to reduce emissions of 1,3-dichloropropene. Proceedings of Methyl Bromide Alternatives Conference. p. 75-1 - 75-3.
Distribution, efficacy, and off-tarp emissions of carbonated fumigants in low permeability film tarped field -
Qin, R., Gao, S., Hanson, B., Gerik, J.S., Wang, D. 2013. Distribution, efficacy, and off-tarp emissions of carbonated fumigants in low permeability film tarped field. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 349-4.
Acidification rate from chemical N fertilization and alleviation by manure in an 18–year field experiment in a ferralic cambisol, South China -
Cai, Z., Wang, B., Xu, M., Zhang, H., Xinhua, H., Zhang, L., Gao, S. 2013. Acidification rate from chemical N fertilization and alleviation by manure in an 18–year field experiment in a ferralic cambisol, South China. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 406-2.
Reducing N2O emissions from orchard using subsurfce drip irrigation -
Gao, S., Hendratna, A., Phene, C. 2013. Reducing N2O emissions from orchard using subsurfce drip irrigation. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 83-1.
Deep drip fumigation in totally impermeable film tarped raised-beds production systems -
Qin, R., Daugovish, O., Gao, S., Hanson, B., Gerik, J.S., Ajwa, H. 2013. Deep drip fumigation in totally impermeable film tarped raised-beds production systems. Meeting Proceedings. p. 74-1-74-2.
Chemical and biological processes of evaporation ponds -
Gao, S., Chang, A. 2013. Chapter 8. Chemical and biological processes of evaporation ponds. In A. Chang and D.B. Silva (Eds.) Salinity and Drainage in San Joaquin Valley, California Science, Technology and Policy. New York, NY. Springer, p. 185-210.
Simulation of fumigant transport and volatilization from tarped broadcast applications -
Spurlock, F., Johnson, B., Tuli, A., Gao, S., Tao, J., Sartori, F., Qin, R., Sullivan, D., Stanghellini, M., Ajwa, H. 2013. Simulation of fumigant transport and volatilization from tarped broadcast applications. Vadose Zone Journal. 12(3):1-10.
Emissions from soil fumigation in two raised bed production systems tarped with low permeability films -
Qin, R., Gao, S., Thomas, J.E., Dickson, D., Ajwa, H., Wang, D. 2013. Emissions from soil fumigation in two raised bed production systems tarped with low permeability films. Chemosphere. 93:1379-1385.
A clean start to productive orchards and vineyards: recent research on methyl bromide alternatives for perennial crop nurseries -
Hanson, B.D., Gao, S., Gerik, J.S., Qin, R., Cabrera, A.J., Jhala, A., Abit, J., Wang, D., Browne, G.T. 2013. A clean start to productive orchards and vineyards: recent research on methyl bromide alternatives for perennial crop nurseries. California Agriculture. 67(3):181-189.
Totally impermeable film (TIF) reduces emissions in perennial crop fumigation -
Gao, S., Qin, R., Cabrera, A., Hanson, B.D., Gerik, J.S., Wang, D., Browne, G.T. 2013. Totally impermeable film (TIF) reduces emissions in perennial crop fumigation. California Agriculture. 67(3):217-222.
Preplant 1,3-D treatments test well for perennial crop nurseries,but challenges remain Reprint Icon -
Hanson, B.D., Gao, S., Gerik, J.S., Qin, R., Cabera, J.A., Jahala, A.J., Abit, J., Cox, D., Correiar, B., Wang, D., Browne, G.T. 2013. Preplant 1,3-D treatments test well for perennial crop nurseries,but challenges remain. California Agriculture. 67(3):179.
Managing the almond and stone fruit replant disease complex with less soil fumigant Reprint Icon -
Browne, G.T., Lampinen, B.D., Holtz, B.A., Doll, D.A., Upadhyaya, S.K., Schmidt, L.S., Bhat, R.G., Udompetailkul, V., Coates, R.W., Hanson, B.D., Klonsky, K.M., Gao, S., Wang, D., Gillis, M., Gerik, J.S., Johnson, R.A. 2013. Managing the almond and stone fruit replant disease complex with less soil fumigant. California Agriculture. 67(3):128-138.
Fumigant emission reduction using vaporsafe totally impermeable film in large field applications -
Husein, A., Stanghellini, M., Gao, S., Sullivan, D., Afiqur, K., Qin, R. 2013. Fumigant emission reduction using vaporsafe totally impermeable film in large field applications. California Agriculture. 67(3):147-152.
Effect of high frequency surface and subsurface drip irrigations on N2O emissions in orchards -
Gao, S., Hendratna, A., Phene, C. 2013. Effect of high frequency surface and subsurface drip irrigations on N2O emissions in orchards. Meeting Abstract. p.159.
Using low permeability tarp to improve fumigation efficiency for strawberry production in California -
Gao, S., Ajwa, H., Finnimore, S., Qin, R. 2012. Using low permeability tarp to improve fumigation efficiency for strawberry production in California. p.137 In: Book of Abstracts, VII International Strawberry Symposium, ISHS, 18-22 Feb. 2012, Beijing, China.
Emission and transport of 1,3-dichloropropene and chloropicrin in a large field tarped with VaporSafeTM TIF -
Gao, S., Ajwa, H., Qin, R., Stanghellini, M., Sullivan, D. 2013. Emission and transport of 1,3-dichloropropene and chloropicrin in a large field tarped with VaporSafeTM TIF. Environmental Science and Technology. 47:406-411.
Emission and distribution of fumigants as affected by soil moistures in three different textured soils -
Qin, R., Gao, S., Husein, A. 2013. Emission and distribution of fumigants as affected by soil moistures in three different textured soils. Chemosphere. 90(2):866-872.
A micro spot injection system for studing the effects of carbonation on fumigant dispersion in soil -
Qin, R., Pflaum, T., Gao, S., Hanson, B. 2012. A micro spot injection system for studing the effects of carbonation on fumigant dispersion in soil. Annual International Research Conference on Methyl Bromide Alternatives and Emissions Reductions, November 6-8, 2012, Maitland, Florida. p. 61:1-4.
Minimize emission and improve efficacy with low permeability tarp in soil fumigation for perennials -
Gao, S., Qin, R., Cabrera, A., Gerik, J.S., Hanson, B.D., Sosnoskie, L., Wang, D., Browne, G.T. 2012. Minimize emission and improve efficacy with low permeability tarp in soil fumigation for perennials. International Conference on Methyl Bromide Alternatives and Emissions Reductions. p. 6-1 - 6-3..
Different application rate on the degradation of several important soil fumigants -
Qin, R., Gao, S., Ajwa, H. 2012. Different application rate on the degradation of several important soil fumigants. ASA-CSSA-SSSA International Annual Meetings, October 21-24, 2012, Cincinnati, Ohio. p. 164-3.
Measurement of N2O emissions from drip irrigated soils in a pomegranate orchard -
Gao, S., Hendratna, A., Phene, C. 2012. Measurement of N2O emissions from drip irrigated soils in a pomegranate orchard. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 321-1.
Low permeability tarps to reduce emission and improve fumigant distribution in soil from deep shank injection of Telone C35 -
Gao, S., Qin, R., Hanson, B., Cabrera, A., Gerik, J.S., Wang, D. 2012. Low permeability tarps to reduce emission and improve fumigant distribution in soil from deep shank injection of Telone C35. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 319-13.
Low permeability tarp to improve fumigation efficiency for strawberry production in California, USA -
Gao, S., Husein, A., Fennimore, S., Qin, R. 2014. Low permeability tarp to improve fumigation efficiency for strawberry production in California, USA. Acta Horticulture Proceedings. 1049:707-714.
Airborne flux of 1,3-dichloropropene and chloropicrin applied under totally impermeable film as a function of tarp cutting time -
Ajwa, H., Sullivan, D., Gao, S., Stanghellini, M., Sullivan, R. 2012. Airborne flux of 1,3-dichloropropene and chloropicrin applied under totally impermeable film as a function of tarp cutting time. American Chemical Society Abstracts. Available: http://abstracts.acs.org/chem/244nm/program/view.php.
Emission and movement of 1,3-dichloropropene and chloropicrin in a large field tarped with low permeability film -
Gao, S., Qin, R., Ajwa, H., Sullivan, D., Stanghellini, M. 2012. Emission and movement of 1,3-dichloropropene and chloropicrin in a large field tarped with low permeability film. American Chemical Society Abstracts. Available: http://abstracts.acs.org/chem/224nm/program/view.php.
Inter-laboratory validation of standardized method to determine permeability of plastic films -
Papiernik, S.K., Yates, S.R., Qian, Y., Ajwa, H., Gao, S., Qin, R., Sances, F., Spokas, K.A. 2012. Inter-laboratory validation of standardized method to determine permeability of plastic films. 244th American Chemical Society National Meeting, August 19-23, 2012, Philadelphia PA. AGRO 80, vol. 82, p. 101.
Minimize Emissions and Improve Efficacy of Soil Fumigations with Tarping of TIF -
Gao, S., Hansen, B.D., Cabrera, A., Qin, R., Gerik, J.S., Wang, D., Browne, G.T. 2011. Minimize Emissions and Improve Efficacy of Soil Fumigations with Tarping of TIF. Almond Industry Conference Proceedings. p. 66.
Fumigant use and transition from methyl bromide to alternatives in California -
Gao, S., Wilhoit, L. 2011. Fumigant use and transition from methyl bromide to alternatives in California. International Conference on Methyl Bromide Alternatives and Emissions Reductions. San Diego, California, October 31-November 2, 2011. p. 74.1-74.4.
Application Of Low Permeability Tarp In Perennial Field Fumigation -
Gao, S., Qin, R., Cabrera, A., Hanson, B., Gerik, J.S., Wang, D., Browne, G.T. 2011. Application Of Low Permeability Tarp In Perennial Field Fumigation. International Conference on Methyl Bromide Alternatives and Emissions Reductions, San Diego, California, October 31-November 2, 2011. p. 74.1-74.4.
Fumigant degradation as affected by different application rate in five soils -
Qin, R., Gao, S., Ajwa, H. 2011. Fumigant degradation as affected by different application rate in five soils. International Conference on Methyl Bromide Alternatives and Emissions Reductions, San Diego, California, October 31-November 2, 2011. p. 79.1-79.3.
TIF Tarp on emission and fumigant movement in an 8-acre field -
Gao, S., Qin, R., Husein, A., Sullivan, D., Stanghellini, M. 2011. TIF Tarp on emission and fumigant movement in an 8-acre field. International Conference on Methyl Bromide Alternatives and Emissions Reductions. San Deigo, California, October 31-November 2, 2011. p. 21.1-21.3.
Efficacy of 1,3-dichloropropene plus chloropicrin reduced rates under two different tarps against nematodes, pathogens and weeds -
Cabrera, A., Hanson, B., Abit, M., Gerik, J.S., Gao, S., Qin, R., Wang, D. 2011. Efficacy of 1,3-dichloropropene plus chloropicrin reduced rates under two different tarps against nematodes, pathogens and weeds. International Conference on Methyl Bromide Alternatives and Emissions Reductions. San Diego, California, October 31-November 2, 2011. p. 75.1-75.3.
Methyl bromide alternatives for grape replant -
Wang, D., Cabrera, A., Gerik, J.S., Gao, S., Hanson, B., Browne, G.T., Klonsky, K., Vasquez, S. 2011. Methyl bromide alternatives for grape replant. International Conference on Methyl Bromide Alternatives and Emissions Reductions, San Diego, California, October 31-November 2, 2011. p. 30.1-30.3.
The Fate of Alternative Soil Funigants to Methyl Bromide -
Qin, R., Gao, S. 2011. The Fate of Alternative Soil Funigants to Methyl Bromide. American Geophysical Union. Paper No. B51E-0451.
Fumigant emissions affected by bed design and other factors in fields tarped with low permeability films -
Qin, R., Gao, S., Dickson, D., Thomas, J.E., Ajwa, H., Wang, D. 2011. Fumigant emissions affected by bed design and other factors in fields tarped with low permeability films. ASA-CSSA-SSSA Annual Meeting. Paper No. 288-11.
Issues and Management in Using Low Permeability Tarps to Reduce Emission from Broadcast Soil Fumigation -
Gao, S., Qin, R., Cabrera, A., Gerik, J.S., Hanson, B., Wang, D. 2011. Issues and Management in Using Low Permeability Tarps to Reduce Emission from Broadcast Soil Fumigation. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 288-10.
Long-term evaluation of manure application on maize yield and nitrogen use efficiency in China -
Duan, Y., M. Xu, B. Wang, X. Yang, S. Huang, and S. Gao. 2011. Long-term evaluation of manure application on maize yield and nitrogen use efficiency in China. Soil Science Society of America Journal. 75:1562-1573.
Effects of surface seals and application shanks on nematode, pathogen and weed control with 1,3-dichloropropene -
Jhada, A., Gao, S., Gerik, J.S., Qin, R., Hanson, B. 2012. Effects of surface seals and application shanks on nematode, pathogen and weed control with 1,3-dichloropropene. Pest Management Science. 68(2):225-230.
Trapping Efficiency of 1,3-Dichloropropene Isomers by XAD-4 Sorbent Tubes for Air Sampling Reprint Icon -
Gao, S., Pflaum, T.J., Qin, R. 2011. Trapping Efficiency of 1,3-Dichloropropene Isomers by XAD-4 Sorbent Tubes for Air Sampling. Atmospheric Environment. 45: 4322-4327.
Managing agricultural emissions to the atmosphere: State of the science, fate and mitigation, and identifying research gaps -
Yates, S.R., Mcconnell, L.L., Hapeman, C.J., Papiernik, S.K., Gao, S., Trabue, S.L. 2011. Managing agricultural emissions to the atmosphere: State of the science, fate and mitigation, and identifying research gaps. Journal of Environmental Quality. 40(5):1347-1358.
Field evaluation of a new plastic film (Vapor SafeTM) to reduce soil fumigant emission and improve distribution in soil Reprint Icon -
Qin, R., Gao, S., Ajwa, H., Sullivan, D., Wang, D., Hanson, B.D. 2011. Field evaluation of a new plastic film (Vapor SafeTM) to reduce soil fumigant emission and improve distribution in soil. Journal of Environmental Quality. 40: 1195-1203.
Effects of emission reduction surface seal treatments on pest control with shank-injected 1,3-dichloropropene and chloropicrin -
Hanson, B., Gao, S., Gerik, J.S., Shrestha, A., Qin, R., Mc Donnald, J.A. 2011. Effects of emission reduction surface seal treatments on pest control with shank-injected 1,3-dichloropropene and chloropicrin. Crop Protection Journal. 30(2):203-207.
Chloropicrin emissions after shank injection: Two-dimensional analytical and numerical model simulations of different source methods and field measurements -
Wang, D., Yates, S.R., Gao, S. 2011. Chloropicrin emissions after shank injection: Two-dimensional analytical and numerical model simulations of different source methods and field measurements. Journal of Environmental Quality. 40:1443-1449.
Effect of soil moisture on emission and behavior of fumigants in different textured soils -
Qui, R., Gao, S. 2010. Effect of soil moisture on emission and behavior of fumigants in different textured soils. Proceedings of International Research Conference on Methyl Bromide Alternatives. p.87-1 - 87-3.
Demonstration of low permeability tarp technology in soil fumigation for perennials -
Gao, S., Qin, R., Cabrera, L., Hanson, B.D., Gerik, J.S., Wang, D., Browne, G.T. 2010. Demonstration of low permeability tarp technology in soil fumigation for perennials. Methyl Bromide Alternatives and Emissions Research Conference Proceedings. p.26-1 - 26-4.
Evaluation of TIF to reduce fumigant emissions and the potential to use reduced rates -
Gao, S., Qui, R., Ajwa, H., Sullivan, D., Wang, D. 2010. Evaluation of TIF to reduce fumigant emissions and the potential to use reduced rates. Proceedings of International Research Conference on Methyl Bromide Alternatives. p.12-1 - 12-4.
PACIFIC AREA-WIDE PROGRAM: CURRENT STATUS OF THE CALIFORNIA PERENNIAL NURSERY SECTOR -
Hanson, B., Gao, S., Gerik, J.S., Wang, D., Qin, R., Cabrera, J.A., Jhala, A. 2010. PACIFIC AREA-WIDE PROGRAM: CURRENT STATUS OF THE CALIFORNIA PERENNIAL NURSERY SECTOR. International Conference on Methyl Bromide Alternatives and Emissions Reductions. p.27-1 - 26-2.
Comparisons of surface sealing methods in emission reduction from soil fumigation using field plot tests -
Gao, S., Hanson, B.D., Qin, R., Wang, D., Yates, S.R. 2010. Comparisons of surface sealing methods in emission reduction from soil fumigation using field plot tests. Journal of Environmental Quality. Available on line: Nov 2010, doi:10.2134/jeq2009.0422.
Evaluation of Totally Impermeable Film for Fumigant Emissions Reduction -
Qin, R., Gao, S., Ajwa, H.A., Sullivan, D., Wang, D. 2010. Evaluation of Totally Impermeable Film for Fumigant Emissions Reduction. American Society of Agronomy Abstracts. #341-9.
Potential of using low permeability tarp to reduce emissions and application rates in soil fumigation -
Gao, S., Qin, R., Cabrera Motta, J., Hanson, B., Wang, D. 2010. Potential of using low permeability tarp to reduce emissions and application rates in soil fumigation. American Society of Agronomy Abstracts. p.341-8.
Lateral movement of soil fumigants 1,3-Dichloropropene and Chloropicrin from treated agricultural fields -
Wang, D., Gao, S., Qin, R., Browne, G.T. 2010. Lateral movement of soil fumigants 1,3-Dichloropropene and Chloropicrin from treated agricultural fields. Journal of Environmental Quality. 39:1800-1806.
Chapter 9 Vapor Flux Measurements – Chamber Methods -
Gao, S., Wang, D. 2011. Chapter 9 Vapor Flux Measurements – Chamber Methods. Vapor Emission to Outdoor Air and Enclosed Spaces for Human Health Risk Assessment: Site characterization, monitoring and modeling. p. 191-207.
Speciation and behavior of arsenic in evaporation basins, California, USA -
Ryu, J., S. Gao, and K.K. Tanji. 2010. Speciation and behavior of arsenic in evaporation basins, California, USA. Environ Earth Sci. DOI 10.1007/s12665-010-0473-y. Available at: http://www.springerlink.com/content/k2m2r1346127604t/fulltext.pdf.
Methods evaluated to minimize emissions from preplant soil fumigation -
Gao, S., Hanson, B.D., Wang, D., Browne, G.T., Qin, R., Ajwa, H., Yates, S.R. 2011. Methods evaluated to minmize emissions from preplant soil fumigation. California Agriculture. 65(1):41-46.
Using Irrigation and Organic Amendment to Reduce Fumigant Emissions -
Gao, S., B. Hanson, and D. Wang. 2009. Using Irrigation and Organic Amendment to Reduce Fumigant Emissions. In 2009 Proc. California Almonds Conference. Almond Board of California, Modesto, CA. Dec. 9-10, 2009. p. 258-261.
Update of film permeability measurements for USDA-ARS Area-Wide Research Project -
Yates, S.R., Chellemi, D.O., Wang, D., Gao, S., Browne, G.T. 2009. Update of film permeability measurements for USDA-ARS Area-Wide Research Project. Proceedings of International Research Conference on Methyl Bromide Alternatives.
Measurement and Assessment of Field Emission Reductions -
Gao, G., R. Qin, B. Hanson, D. Wang, G. Browne, and J. Gerik. 2009. Measurement and assessment of field emission reductions. International Conference on MeBr Alternatives and Emission Reductions. November 10-13, 2009, San Diego, CA. In 2009 Ann. Int. Res. Conf. on MeBr Alternatives and Emission Reductions, San Diego, Nov. 10-13, 2009. p. 9-1 to 9-3.
Alternatives to Methyl Bromide Soil Fumigation for Vineyard Replant -
Wang, D., J.Gerik, S.Gao, B.Hanson, R.Qin, G.Browne, S.Vasquez. 2009. Alternatives to Methyl Bromide Soil Fumigation for Vineyard Replant. Page 35:1-3, In 2009 "International Conference on Methyl Bromide Alternatives and Emissions Reductions", San Diego, CA.
Perennial Crop Nursery Sector Progress - Pacific Area-Wide Program for Methyl Bromide Alternatives -
Hanson, B. D., Gao, S., Gerik, J., Qin, R., and Wang, D. 2009. Perennial crop nursery sector progress - Pacific area-wide program for MB alternatives. Page 32 in: Proc Annu. Intl. Res. Conf. Methyl Bromide Alternatives Emissions Reductions.
Effect of Soil Moisture on Fumigant Emissions from a Loam Soil -
Qin, R., Gao, S., Hanson, B., Wang, D., Ajwa, H. 2009. Effect of Soil Moisture On Fumigant Emissions From a Loam Soil. ASA-CSSA-SSSA International Annual Meeting, Nov. 1-5, 2009, Pittsburgh, PA. Abstract # 52766. http://a-c-s.confex.com/crops/2009am/webprogram/Paper52766.html.
INTERACTIVE EFFECT OF ORGANIC AMENDMENT AND ENVIRONMENTAL FACTORS ON DEGRADATION OF 1,3-DICHLOROPROPENE AND CHLOROPICRIN IN SOIL -
Qin., R., S. Gao, H. Ajwa, B. D. Hanson, T.J. Trout, D. Wang, and M. Guo. Interactive effect of organic amendment and environmental factors on degradation of 1,3-dichloropropene and chloropicrin in soil. J. Agric. Food Chem.57:9063-9070.2009
Spot Fumigation: Fumigant Gas Dispersion and Emission Characteristics -
Wang, D., G. Browne, S. Gao, B. Hanson, J. Gerik, R. Qin, N. Tharayil. 2009. Spot fumigation: fumigant gas dispersion and emission characteristics. Environ. Sci. Technol. 43:5783-5789.
EFFECTS OF MANURE AND WATER APPLICATIONS ON 1,3-DICHLOROPROPENE AND CHLOROPICRIN EMISSION IN A FIELD TRIAL -
Suduan Gao, Ruijun Qin, Bradley D. Hanson, Nishanth Tharayil, Thomas J. Trout, Dong Wang and James Gerik Effects of Manure and Water Applications on 1,3-Dichloropropene and Chloropicrin Emissions in a Field Trial. J. Agric. Food Chem., 2009, 57 (12), pp 5428–5434.
Vegetation Changes and Partitioning of Selenium in 4-Year-Old Constructed Wetlands Treating Agricultural Drainage -
Lin, Z., Terry, N., Gao, S., Mohamed, H., Ye, Z. 2010. Vegetation Changes and Partitioning of Selenium in 4-Year-Old Constructed Wetlands Treating Agricultural Drainage. International Journal of Phytoremediation. 12:255-267.
DEVELOPMENT OF PRACTICES FOR MINIMIZING EMISSIONS FROM SOIL FUMIGATION USING FIELD PLOT TESTS -
1. Gao, S., R. Qin, B. Hanson, D. Wang, and S. Yates. 2009. Development of practices for minimizing emissions from soil fumigation using field plot tests. 238th American Chemical Society National Meeting & Exposition, August 16—20, 2009, Washington DC. Abstract no. AGRO 243.
WHAT TO CONSIDER WHEN EMISSION REDUCTION IS REQUIRED FROM SOIL FUMIGATION -
Gao, S. 2009. What to Consider when Emission Reduction is Required from Soil Fumigation. p. 49-55 In Proceedings, 2009 California Plant and Soil Conference, Fresno, CA, February 3 & 4, 2009.
Comparison of using irrigation and organic amendment to reduce emissions from soil fumigation -
Gao, S., R. Qin, B. Hanson, D. Wang, and J. Gerik. 2009. Comparison of using irrigation and organic amendment to reduce emissions from soil fumigation. p. 184. In Proceedings, 2009 California Plant and Soil Conference, Fresno, CA, February 3 & 4, 2009.
Effects of organic amendment on degradation of 1,3-dichloropropene and chloropicrin in soil -
Qin, R., S. Gao, H. Ajwa, B.D. Hanson, T.J. Trout, and D. Wang. 2009. Effects of organic amendment on degradation of 1,3-dichloropropene and chloropicrin in soil. p. 180. In Proceedings, 2009 California Plant and Soil Conference, Fresno, CA, February 3 & 4, 2009.
RELATIVE EFFECT OF SOIL MOISTURE ON EMISSIONS AND DISTRIBUTION OF 1,3-DICHLOROPROPENE AND CHLOROPICRIN IN SOIL COLUMNS -
Qin, R., S. Gao, D. Wang, B.D. Hanson, T.J. Trout, and H. Ajwa. 2009. Relative effect of soil moisture on emissions and distribution of 1,3-dichloropropene and chloropicrin in soil columns. Atmospheric Environment. 43:2449–2455.
Comparison of Shank-and-Drip-Applied Methyl Bromide Alternatives in Perenial Crop Field Nurseries. -
Hanson, B.D.,S. Schneider,J. Gerik,A. Shrestha, T. Trout, S. Gao. 2009. Comparison of Shank-anf-Drip-Applied Methyl Bromide Alternatives in Perenial Crop Field Nurseries. HortTechnology 19:331-339.
Comparison of Shank-and-Drip-Applied Methyl Bromide Alternatives in Perennial Crop Field Nurseries -
Schneider, S.M., B.D. Hanson, J.S. Gerik, A. Shrestha, T.J. Trout, S. Gao. Comparison of Shank-and-Drip-Applied Methyl Bromide Alternatives in Perennial Crop Field Nurseries. 2009. HortTechnology. 19:331-339.
VINEYARD SOIL FUMIGATION-ALTERNATIVES TO METHYL BROMIDE -
Wang,D., B. Hanson, J. Gerik, S. Gao, and S. Vasquez. 2009. Vineyard soil fumigation-alternatives to methyl bromide. Proc. San Joaquin Valley Grape Symposium. Easton, CA, p.1-8.
USING IRRIGATION AND ORGANIC AMENDMENT TO REDUCE FUMIGANT EMISSIONS -
Gao, S., B. Hanson, D. Wang, and J. Gerik. 2008. Using irrigation and organic amendments to reduce fumigant emissions. In 2008 Proceedings, 36th Almond Industry Conference. Dec. 10-11, Modesto, CA. pp. 244-247.
Effects of Water Seal on Reducing 1,3-Dichloropropene Emissions from Different Textured Soils -
McDonald, J.A. S. Gao, R. Qin, B.D. Hanson, T.J. Trout, and D. Wang. 2009. Effect of water seal on reducing 1,3-dichloropropene emissions from different soil textures. Journal of Environmental Quality. 38: 712-718.
REDUCING 1,3-D AND CHLOROPICRIN EMISSIONS WITH SUBSURFACE DRIP AND VIF -
Wang, D.,N. tharayil, R. Qin, S. Gao, B.D. Hanson. 2008. Reducing 1, 3-D and Chloropicrin Emissions with Subsurface Drip and VIF. International Conference on Methyl Bromide Alternatives and Emissions Reductions. 33:1-3.
EMISSIONS OF 1,3-DICHLOROPROPENE AND CHLOROPICRIN FROM MANURE AMENDMENT AND POST-FUMIGATION WATER TREATMENT -
Gao, S., R. Qin, N. Tharayil, B. Hanson, J. Gerik, D. Wang, and T. Trout. Emissions of 1,3-dichloropropene and chloropicrin from soils with manure amendment and post-fumigation water treatment. Ann. Int. Res. Conf. on MeBr Alternatives and Emission Reductions, San Diego, Nov. 11-15, 2008. pp. 34-1 to 34-2.
DYNAMIC FLUX CHAMBER SYSTEMS FOR FUMIGANT EMISSION MEASUREMENTS -
Gao, S, D. Wang, T. Pflaum, R.Qin, B. Hanson, G. Browne, H. Ajwa, and S. Yates. Dynamic flux chamber systems for fumigant emission measurements. Ann. Int. Res. Conf. on MeBr Alternatives and Emission Reductions, San Diego, Nov. 11-15, 2008. pp. 21-1 to 21-4.
LOW PERMEABLE TARPS REDUCE EMISSIONS FROM DRIP-APPLIED INLINE IN A STRAWBERRY FIELD TRIAL -
Qin, R., S. Gao, and H. Ajwa. Low permeable tarps reduce emissions from drip-applied inline in a strawberry field trial. Ann. Int. Res. Conf. on MeBr Alternatives and Emission Reductions, San Diego, Nov. 11-15, 2008. p. 114-1 to 114-4.
SHANK DESIGNS AND SOIL SURFACE TREATMENTS ON 1,3-D EMISSIONS IN A NURSERY FIELD TRIAL -
Qin, R. S. Gao, B. Hanson, D. Wang, and J. Gerik. Shank designs and soil surface treatments on 1,3-d emissions in a nursery field trial. Ann. Int. Res. Conf. on MeBr Alternatives and Emission Reductions, San Diego, Nov. 11-15, 2008. p. 31-1 to 31-2.
METHYL BROMIDE ALTERNATIVES FOR VINEYARD REPLANT -
Wang, D., S.Gao,J.S. Gerik, B.D.Hanson, N. Tharayil, R. Qin, G.T. Browne, C. Smith, K. Klonsky, B. Westerdahl, S. Vasquez, S.R. Yates. 2008. Methyl Bromide Alternatives for Vineyard Replant. International Conference on Methyl Bromide Alternatives and Emissions Reductions. 14:1-3.
PEST CONTROL WITH CALIFORNIA APPROVED NURSERY STOCK CERTIFICATION 1, 3-D TREATMENTS -
Hanson, B.D.,S. Gao,J. Gerik,D. Wang, and R. Qin. 2008. Pest Control with California Approved Nursery Stock Certification 1, 3-D Treatments. Proceedings Annual International Research Conference on Methyl Bromide alternatives and emission Reductions p.25,(Proceedings)
DEGRADATION OF METHYL IODIDE IN SOIL: EFFECTS OF ENVIRONMENTAL FACTORS -
Guo, M., and S. Gao. 2009. Degradation of methyl iodide in soil: effects of environmental factors. J. Environ. Qual. 38:513-519.
NEMATODE CONTROL FROM SHANK-AND-DRIP-APPLIED FUMIGANT ALTERNATIVES TO METHYL BROMIDE -
Scheneider, S.M., H. A. Ajwa, T. J. Trout, and S. Gao. 2008. Nematode Control Fron Shank-and-Drip-Applied Fumigant alternatives To Methyl Bromide. HortScience. 43(6): 1826-1832.
DISPERSION OF REACTIVE FUMIGANT GASES IN SOIL -
Wang,D.,N. Tharayil, R. Qin, S. Gao, B.D. Hanson, J. Gerik, G.T.Browne. 2008. Dispersion of Reactive Fumigant Gases in Soil. Agronomy Abstract (662-8), ASA-CSSA-SSSA, Madison, WI.
Field Tests of Surface Seals and Soil Treatments to Reduce Fumigant Emissions from Shank-Injection of Telone C35 -
Gao, S. R. Qin, J. McDonald, B. D. Hanson, and T. J. Trout. 2008. Field tests of surface seals and soil treatments to reduce fumigant emissions from shank-injection of Telone C35. Sci. Total Environ. 405:206-214.
Redox Chemistry and Transformation of Arsenic and Selenium in Agricultural Drainage Disposal Ponds -
Gao, S. and J. Ryu. Redox chemistry and transformation of arsenic and selenium in agricultural drainage disposal ponds. 2008 Joint Annual Meeting, GSA-SSSA-ASA-CSSA-GCAGS-HGS, October 5-9, 2008, Houston, TX. Abstract no. 347-2.
Performance of Low Permeable Tarps on reducing 1,3-dichloropropene and Chloropicrin Emissions in a Strawberry Field Trial -
Qin, R., S. Gao, and H. Ajwa. Performance of low permeable tarps to reduce 1,3-dichloropropene and chloropicrin emissions in Strawberry Field Trial. 2008 Joint Annual Meeting, GSA-SSSA-ASA-CSSA-GCAGS-HGS, October 5-9, 2008, Houston, TX. Abstract no. 606-7.
Effect of Plastic Tarps Over Raised-beds and Potassium Thiosulfate in Furrows on Chloropicrin Emissions from Drip Fumigated Fields -
Qin, R., S. Gao, J.A. McDonald, H. Ajwa, S. Shem-Tov, and D.A. Sullivan. 2008. Effect of plastic tarps over raised-beds and potassium thiosulfate in furrows on chloropicrin emissions from drip fumigated fields. Chemosphere. 72:558–563.
The Effect of Chemical and Manure Amendment with Water application and Tarp on 1,3-dichloropropene Emissions from Soil -
McDonald, J.A., S. Gao, R. Qin, T. J. Trout, and B.D. Hanson. The effect of chemical and manure amendment with water application and tarp on 1,3-dichloropropene emissions from soil. Environ. Sci. Technol. 42, 398–402.
Effects of Surface Seals on Pest Control Efficacy with 1,3-Dichloropropene/Chloropicrin -
Hanson, B.D., Gao, S., Shrestha, A., Gerik, J.S., Schneider, S.M. 2007. Effects of Surface Seals on Pest Control Efficacy with 1,3-Dichloropropene/Chloropicrin. International Conference on Methyl Bromide Alternatives and Emissions Reductions.
Efficacy and 1,3-D Emissions with Approved Nursery Stock Certification Treatments Applied with Two Shank Designs -
Hanson, B.D., Gao, S., Mc Kenry, M., Gerik, J.S., Wang, D., Klonsky, K., Cox, D., Correiar, B., Yates, S.R. 2007. Efficacy and 1,3-D Emissions with Approved Nursery Stock Certification Treatments Applied with Two Shank Designs. International Conference on Methyl Bromide Alternatives and Emissions Reductions.
Field Methods To Reduce Soil Fumigation Emission -
Gao, S. 2007. Field Methods To Reduce Soil Fumigation Emission. 35th Almond Industry Conference Proceedings. Vol(35):185-187
Field Tests on Emission Reduction Methods from Telone C35 Application -
Gao, S., Qin, R., Mc Donald, J., Hanson, B.D., Trout, T.J. 2007. Field Tests on Emission Reduction Methods from Telone C35 Application. International Conference on Methyl Bromide Alternatives and Emissions Reductions.
Methyl Bromide Alternatives for Vineyard Replant -
Wang, D., Gao, S., Gerik, J.S., Hanson, B.D., Smith, C., Klonsky, K., Westerdahl, B., Browne, G.T., Yates, S.R. 2007. Methyl Bromide Alternatives for Vineyard Replant. International Conference on Methyl Bromide Alternatives and Emissions Reductions.
The Effect of Drip Application of Ammonium Thiosulfate on Fumigation Degradation in Soil Columns -
Qin, R., Gao, S., Hanson, B.D., Mcdonald, J.A., Trout, T.J., Ajwa, H.A. 2007. The Effect of Drip Application of Ammonium Thiosulfate on Fumigation Degradation in Soil Columns. Journal of Agricultural and Food Chemistry. 55:81 93-8199
Evaluation Of Fumigation And Surface Seal Methods On Fumigant Emissions In An Orchard Replant Field -
Gao, S., T.J. Trout, S. Schneider. 2008. Evaluation of Fumigation and Surface Seal Methods on Fumigant Emissions in an Orchard Replant Field. J. Environ. Qual. 37:369-377.
Chemical Status Of Selenium In Evaporation Basins For Disposal Of Agricultural Drainage. -
Gao, S., Tanji, K.K., Dahlgren, R.A., Herbel, M.J. 2007. Chemical Status Of Selenium In Evaporation Basins For Disposal Of Agricultural Drainage. Chemosphere.
Irrigation Management To Reduce Soil Fumigant (Telone Product) Emissions -
Gao, S. 2007. Irrigation Management To Reduce Soil Fumigant (Telone Product) Emissions. Meeting Abstract. NOTE: Left out of Proceedings by error.
Transformation Of Arsenic In Agricultural Drainage Water Disposed Into An Evaporation Basin In California, USA. -
Arsenic Speciation and Accumulation In Evapoconcentrating Waters Of Agricultural Evaporation Basins -
Gao, S., Ryu, J., Tanji, K.K., Herbel, M.J. 2007. Arsenic Speciations Accumulation in Evapoconcentrating waters of agricultural evaporation basins. Chemosphere 67: 862-871. Available: www.sciencedirect.com
Methods To Reduce Soil Fumigation Emissions -
Gao, S. 2006. Methods To Reduce Soil Fumigation Emissions. Meeting Abstract, presentation at the 34th Almond Industry Conference, Modesto, CA, Dec. 6-7, 2006.
Evaluation of water seals on emission reductions of 1,3-dichloropropene and chloropicrin -
Gao, S., Trout, T.J. 2006. Evaluation of water seals on emission reductions of 1,3-dichloropropene and chloropicrin. Proceedings of International Research Conference on Methyl Bromide Alternatives and Emission Reductions. Orlando, FL, Nov 6-9, 2006. Available: www.mbao.org/2006/06Proceedings/mbrpro06.html, pgs 9-1 - 9-3.
Surface Water Applications for Reducing Emissions from Telone C35: Their Effect on Weed Populations -
Shrestha, A., Gao, S., Trout, T.J. 2006. Surface Water Applications For Reducing Emissions From Telone C35: Their Effect On Weed Populations. 2006 Proceedings of International Research Conference on Methyl Bromide Alternatives, pg 116-1 - 116-3, Orlando, Florida.
Reduction of Fumigant Emissions Using Chemical and Organic Amendments -
Mcdonald, J.A., Qin, R., Gao, S., Trout, T.J. 2006. Reduction of Fumigant Emissions Using Chemical and Organic Amendments. In "Proceedings Annual International Research Conference on Methyl Bromide Alternatives and Emission Reductions", p. 125(1-4), held in Orlando, FL, Nov. 6-9, 2006. Available: www.mbao.org/2006/06Proceedings/mbrpro06.html
The Effect of Ammonium Thiosulfate on Reducing Fumigant concenteration Under Tarp -
Qin, R., Mcdonald, J.A., Gao, S., Hanson, B.D., Trout, T.J., Ajwa, H. 2006. The Effect of Ammonium Thiosulfate on Reducing Fumigant concenteration Under Tarp. 2006 Proceedings of International Research Conference on Methyl Bromide Alternatives, pages 124-1 - 124-4, Orlando, Florida.
Degradation of Methyl Iodide in Soil: Effects of Environmental Factors -
Guo, M., Gao, S. 2006. Degradation Of Methyl Iodide In Soil: Effects Of Environmental Factors. Available in Annual Meetings Abstracts [CD-ROM]. ASA, CSSA, and SSSA, held in Madison, WI.
TRAPPING EFFICIENCY OF CIS-1,3-DICHLOROPROPENE BY XAS-4 SORBENT TUBES FOR EMISSION STUDIES -
Gao, S., Pflaum, T.J. 2006. Trapping efficiency of cis-1,3-dichloropropene by xas-4 sorbent tubes for emission studies. 2006 Proceedings of International Research Conference on Methyl Bromide Alternatives, pages 121-1 - 121-4.
Surface Seals Reduce 1,3-Dichloropropene and Chloropicrin Emissions in Field Tests. -
Gao, S., Trout, T.J. 2007. Surface Seals Reduce 1,3-Dichloropropene and Chloropicrin Emissions in Field Tests. Journal of Environmental Quality, 36:110-119.
Surface seals reduce 1,3-dichloropropene and chloropicrin emissions -
Gao, S., Trout, T.J. 2006. Surface seals reduce 1,3-dichloropropene and chloropicrin emissions. In: Annual Meetings Abstracts [CD-Rom]. ASA, CSSA, and SSSA, Madison, WI.
Minimizing Emissions From Soil Fumigation By Surface Seal Methods. -
Gao, S., Trout, T.J. 2006. Minimizing Emissions From Soil Fumigation By Surface Seal Methods.. Proceedings of the International Conference on the Future of Agriculture: Science, Stewardship and Sustainability. Proceedings for the International Conference on the Future of Agriculture: Sscience, Stewardship, and
EVALUATION OF CHEMICAL AMENDMENTS FOR PH AND REDOX STABILIZTION IN AQUEOUS SUSPENSIONS OF THREE CALIFORNIA SOILS -
Herbel, M.J., Suarez, D.L., Goldberg, S.R., Gao, S. 2007. Evaluation of chemical amendments for ph and redox stabiliztion in aqueous suspensions of three california soils. Soil Science Society of America Journal. Vol 71(3): 927-939
MINIMIZING EMISSIONS FROM SOIL FUMIGATION BY SURFACE SEAL METHODS -
Gao, S., Trout, T.J. 2006. Minimizing emissions from soil fumigation by surface seal methods. Meeting Abstract. In The Future of Agriculture: Science, Stewardship, and Sustainability, Aug 7-9, 2006, pg. 14, Sacramento, CA. 2007 CD Track 1 - Pest and Nutrient Management. The Center of Hazardous Substance Research, Kansas State University, Manhattan, KS.
USING SURFACE WATER APPLICATIONS TO REDUCE 1,3-DICHLOROPROPENE EMISSION FROM SOIL FUMIGATION. -
Gao, S., Trout, T.J. 2006. Using surface water applications to reduce 1,3-dichloropropene emission from soil fumigation.. Journal of Environmental Quality, 35:1040-1048.
THE SPECIATION AND ACCUMULATION OF SELENIUM IN AGRICULTURAL EVAPORATION BASINS IN CALIFORNIA, USA -
ARSENIC ACCUMULATION IN EVAPORATION BASINS FOR AGRICULTURAL DRAINAGE DISPOSAL, CALIFORNIA, USA -
SORPTION PROCESSES AFFECTING ARSENIC SOLUBILITY IN TULARE LAKE BED SEDIMENTS, CALIFORNIA. -
Gao, S., Goldberg, S.R., Chalmers, A.T., Herbel, M.J., Fujii, R., Tanji, K.K. 2006. Sorption processes affecting arsenic solubility in Tulare lake bed sediments, California. Chemical Geology, Vol. 228, pgs. 33-43.
Sulfur biogeochemistry and isotopic fractionation in shallow groundwater and sediments of Owens Dry Lake, California -
Ryu, J., Zierenberg, R.A., Dahlgren, R.A., Gao, S. 2006. Chemical and biological processes of evaporation ponds. Chemical Geology. 229:257-272.
Trihalomethane Reactivity of Water- and Sodium Hydroxide-Extractable Organic Carbon Fractions from Peat Soils. -
Chow, A.T., Guo, F., Gao, S., Breuer, R.S. 2006. Trihalomethane Reactivity of Water- and Sodium Hydroxide-Extractable Organic Carbon Fractions from Peat Soils. Journal of Environmental Quality, 35: 114-121.
DEVELOPING METHODS TO REDUCE EMISSIONS FROM SOIL FUMIGATION. -
Gao, S., Trout, T.J. 2005. Developing methods to reduce emissions from soil fumigation.. Almond Industry Conference Proceedings, pp 235-241.
POTENTIAL OF USING SURFACE WATER APPLICATIONS TO REDUCE FUMIGATION EMISSIONS. -
Gao, S., Trout, T.J. 2005. Potential of using surface water applications to reduce fumigation emissions. Proceedings of International Research Conference on Methyl Bromide Alternatives. Annual International Research Conference on MeBr Alternatives and Emissions Reduction, p. 109-1 and 109-4.
TRIHALOMETHANE REACTIVITY OF WATER- AND SODIUM HYDROXIDE-EXTRACTABLE ORGANIC CARBON FRACTIONS FROM PEAT SOILS. -
Chow, A.T., Guo, F., Gao, S., Breuer, R.S. 2006. Trihalomethane reactivity of water- and sodium hydroxide-extractable organic carbon fractions from peat soils.. Journal of Environmental Quality. J. Environ. Qual. 35:114-121.
PHYSICAL AND CHEMICAL FRACTIONATION OF DISSOLVED ORGANIC MATTER AND TRIHALOMETHANE PRECURSORS: A REVIEW -
Chow, A.T., Gao, S., Dahlgren, R.A. 2005. Physical and chemical fractionation of dissolved organic matter and trihalomethane precursors: A Review. Journal of Water Supply: Research and Technology (AQUA) 54:475-507.
REDUCTION OF 1,3-DICHLOROPROPENE EMISSIONS USING SURFACE WATER APPLICATIONS. -
Gao, S., Trout, T.J. 2005. Reduction of 1,3-dichloropropene emissions using surface water applications. ASA-CSSA-SSSA Annual Meeting Abstracts.
SIZE AND XAD FRACTIONATIONS OF TRIHALOMETHANE PRECURSORS FROM SOILS. -
Chow, A.T., Guo, F., Gao, S., Breuer, R.S. 2005. Size and xad fractionations of trihalomethane precursors from soils. Chemosphere, 62 pp 1636-1646.
Temperature, Water Content and Wet-Dry Cycle Effects on DOC Production and Carbon Mineralization in Agricultural Peat Soils. -
Chow, A.T., Tanji, K.K., Gao, S., Dahlgren, R.A. 2005. Temperature, Water Content and Wet-Dry Cycle Effects on DOC Production and Carbon Mineralization in Agricultural Peat Soils. Soil Biology and Biochemistry, 38, pp 477-488.
CHEMICAL BEHAVIOR OF SELENIUM AND ARSENIC IN A SALINE AGRICULTURAL DRAINAGE DISPOSAL POND FACILITY. -
Gao, S., Tanji, K., Ryu, J. 2005. Chemical behavior of selenium and arsenic in a saline agricultural drainage disposal pond facility. Proceedings of the International Salinity Forum. pp 185-188.
SELENIUM TRANSFORMATIONS IN SALINITY-AFFECTED AGRICULTURAL DRAINAGE WATER MANAGEMENT AREAS OF CALIFORNIA AS DETERMINED BY SELENIUM STABLE ISOTOPE RATIOS -
Herbel, M.J., Gao, S. and Johnson, T. 2005. Selenium transformations in salinity-affected agricultural drainage water management areas of California as determined by selenium stable isotope ratios. In: Proceedings of the International Salinity Forum, Managing Saline Soils and Water: Science, Technology, and Soil Issues. April 25-27, 2005. Riverside, CA pp: 231-234.
FILTER PORE SIZE SELECTION FOR CHARACTERIZING DISSOLVED ORGANIC CARBON AND TRIHALOMETHANE PRECURSORS FROM SOILS. -
Chow, A.T., Guo, F., Gao, S., Breuer, R., Dahlgren, A. 2005. Filter pore size selection for characterizing dissolved organic carbon and trihalomethane precursors from soils.. Water Research. 39(2005) pp 1255-1264.
EH (REDOX POTENTIAL) -
Gao, S., Tanji, K. 2005. Eh (redox potential). Water Encyclopedia Vol 2: Water Quality and Resource Management. Jay H. Lehr and Jack Keeley (eds.). Wiley-Interscience, A John Wiley & Sons, Inc. Publication, pp 464-469.
TRIHALOMETHANE FORMATION POTENTIAL OF FILTER ISOLATES OF ELECTROLYTE-EXTRACTABLE SOIL ORGANIC CARBON -
Chow, A.T., Guo, F., Gao, S., Breuer, R.S. 2005. Trihalomethane formation potential of filter isolates of electrolyte-extractable soil organic carbon. Journal of Environmental Quality, 34:1992-1997.
PROCESSES AND CONDITIONS AFFECTING ELEVATED ARSENIC CONCENTRATIONS IN GROUNDWATERS OF TULARE BASIN, CALIFORNIA, USA -
Gao, S., Tanji, K.K., Banuelos, G.S. 2007. Processes and conditions affecting elevated arsenic concentrations in groundwaters of tulare basin, california, usa. Book Chapter. Trace Metals and other Contaminants in the Environment, Volume 9, pgs 383-410, 2007.
FILTER PORE SIZE SELECTION FOR CHARACTERIZING TRIHALOMETHANE PRECURSORS FROM CALIFORNIA DELTA SOILS. -
Chow, A.T., Guo, F., Gao, S., Brewer, R. 2004. Filter Pore Size Selection for Characterizing Trihalomethane Precursors From California Delta Soils. Water Quality Symposium Proceedings.
RELATIONSHIPS BETWEEN SPECIFIC UV ABSORBANCE AND TRIHALOMETHANE PRECURSORS FROM WATER SOURCES OF THE SACRAMENTO-SAN JOAQUIN DELTA, CALIFORNIA. -
Chow, A.T., Dahlgren, R.A., Gao, S., Guo, F., Breuer, R. 2004. Relationships Between Specific UV Absorbance and Trihalomethane Precursors From Water Sources of The Sacramento-San Joaquin Delta, California. Water Quality Symposium Proceedings.
SELENIUM SPECIATION, SOLUBILITY, AND MOBILITY IN AGRICULTURAL EVAPORATION PONDS IN CALIFORNIA. -
Ryu, J., Gao, S., Tanji, K.K., Alemdar, C., Dahlgren, R.A. 2004. Selenium speciation, solubility, and mobility in agricultural evaporation ponds in california.. American Geophysical Union.
MINIMIZING EMISSIONS FROM CHLOROPICRIN IN SOIL FUMIGATION -
Trout, T.J., Gao, S. 2004. Minimizing emissions from chloropicrin in soil fumigation. Meeting Abstract. Presentation Abstract fo 32nd Almond Industry Conference, Dec. 1-2, 2004, Modesto, CA. No volume, pp 221-222.
DISTRIBUTION AND DISSIPATION OF 1,3-D AND CHLOROPICRIN AFTER SHANK AND DRIP APPLICATIONS IN A CLAY LOAM SOIL -
Gao, S., Trout, T.J., Schneider, S.M., Ajwa, H., Browne, G.T. 2004. Distribution and dissipation of 1,3-d and chloropicrin after shank and drip applications in a clay loam soil. Proceedings of International Research Conference on Methyl Bromide Alternatives, pp 801-804.
CHARACTERIZATION OF REDOX PROCESSES IN SHALLOW GROUNDWATER OF OWENS DRY LAKE, CALIFORNIA. -
Ryu, J., Dahlgren, R.A., Gao, S., Tanji, K. 2004. Characterization of Redox Processes in Shallow Groundwater of Owens Dry Lake, California. Environmental Science and Technology, Vol 38, pp 5950-5957.
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