Cabrera, A., Gamiz, B., Cox, L., Celis, R., Spokas, K.A., Koskinen, W.C., Cornejo, J. 2012. Indaziflam adsorption in soils amended with olive cake and olive cake biochar: Effect of dose and temperature [abstract]. Proceedings of The V Iberian Congress of Soil Science Conference, September 6-10, 2012, Angra do Heroism (Terceira Island), Azores. #37.
Koskinen, W.C., Cabrera, A., Spokas, K.A., Cox, L., Rittenhouse, J.L., Rice, P.J. 2012. Effect of carbonaceous soil amendments on potential mobility of weak acid herbicides in soil. In: Xu, J., Wu, J., He, Y. (Eds.). Functions of Natural Organic Matter in Changing Environment. Zhejiang University Press: Hangzhou, China. International Humic Substances Society Conference. p. 281-283.
Spokas, K.A., Ruan, R., Morrison, R. 2012. Adding value to ethanol production byproducts through microwave assisted pyrolysis [abstract]. 2012 CUTC Program Book. New Processing Technology Session. p. 24. doi: http://corntechconf.org/CUTC/2012-CUTC-program-book.pdf.
He, Z., Mingxin, G., Lovanh, N., Spokas, K.A. 2012. Applied manure research—looking forward to the benign roles of animal manure in agriculture and the environment. In: He, Z., editor. Applied Research of Animal Manure: Challenges and Opportunities beyond the Adverse Environmental Concerns. New York, NY:Nova Science. p. 299-309.
Cabrera, A., Cox, L., Spokas, K.A., Hermosin, C., Cornejo, J., Koskinen, W.C. 2011. Comparative sorption and leaching study of the herbicides fluometuron and MCPA in a soil amended with biochar and other sorbents. Journal of Agricultural and Food Chemistry. 59(23):12550-12560.
Spokas, K.A. 2011. Impact of field exposure on greenhouse gas production potentials from biochar additions. ASA-CSSA-SSSA Annual Meeting Abstracts. Abstract #205-7.
Cabrera Mesa, A., Spokas, K.A. 2011. Impacts of biochar (black carbon) additions on the sorption and efficacy of herbicides. In: Kortekamp, A., editor. Herbicides and Environment. Rijeka, Croatia. InTech. p. 315-340.
Fabbri, D., Torri, C., Spokas, K.A. 2012. Analytical pyrolysis of synthetic chars derived from biomass with potential agronomic application (biochar). Relationships with impacts on microbial carbon dioxide production. Journal of Analytical & Applied Pyrolysis. 93(1):77-84.
Gesch, R.W., Archer, D.W., Spokas, K.A. 2012. Can using polymer-coated seed reduce the risk of poor soybean emergence in no-tillage soil? Field Crops Research. 125:109-116.
Spokas, K.A., Bogner, J., Chanton, J. 2011. A process-based inventory model for landfill CH4 emissions inclusive of seasonal soil microclimate and CH4 oxidation. Journal of Geophysical Research-Biogeosciences. Available: http://www.agu.org/pubs/crossref/2011/2011JG001741.shtml.
Weyers, S.L., Spokas, K.A. 2011. Impact of biochar on earthworm populations: A review. Applied and Environmental Soil Science. DOI: 10.1155/2011/541592.
Torri, C., Rombola, A., Conti, R., Fabbri, D., Spokas, K.A. 2011. Structural investigation of bio-char by analytical pyrolysis (Py-GC-MS). Relationships with environmental stability and the occurrence of polyaromatic hydrocarbons (PAHs)[abstract]. UK Biochar Conference 2011. http://www.sccs.org.uk/biochar/Edinburgh-May-2011. On-line.
Bogner, Spokas, K.A., Chanton, J. 2011. Seasonal greenhouse gas emissions (methane, carbon dioxide, nitrous oxide) from engineered landfills: Daily, intermediate, and final California cover soils. Journal of Environmental Quality. 40(3):1010-1020.
Spokas, K.A. 2011. Stable Isotopes in Evaluation of Greenhouse Gas Emissions. In: Encyclopedia of Agrophysics. J. Glinski, J. Horabik, and J. Lipiec (Eds). Springer. Heidelberg, Germany. pp. 845-849.
Spokas, K.A. 2010. Production of Ethylene Following Soil Biochar Additions [abstract]. 2010 U.S. Biochar Initiative Conference. http://www.biorenew.iastate.edu/events/biochar2010/conference-agenda/agenda-overview/breakout-session-4/agriculture-forestry-soil-science-and-environment.html. On-line.
Spokas, K.A., Jacobson, B. 2010. Impacts of Strobilurin Fungicides on Yield and Soil Microbial Processes for Minnesota Strawberry Production. Minnesota Fruit and Vegetable Growers Association. January 21-22, 2010. St. Cloud, MN. pp. 25-29.
Bogner, J., Spokas, K.A. 2009. IPCC Methodologies for the Waste Sector: Past, Present, and Future [abstract]. Oral Presentation for the DAKOFA/ISWA Waste & Climate Conference. Dec. 3-4, 2009. Copenhagen, Denmark. Parallel session 2: From life cycle thinking to acting Title: IPCC Methodologies for the Waste Sector: Past, Present, and Future. Online reference: http://www.wasteandclimate.org/DocumentDownloadServlet?id=85&language=en. On-line.
Spokas, K.A., Reicosky, D.C. 2009. Impacts of Sixteen Different Biochars on Soil Greenhouse Gas Production. Annals of Environmental Science. 3:179-193.
Bogner, J., Spokas, K.A. 2009. Landfill Methane. In: Reay, D., Smith, P., and van Amstel, A. Methane and Climate Change. Earthscan Ltd., London, UK. pp. 175-200.
Spokas, K.A., Bogner, J., Chanton, J. 2009. A New IPCC Tier 4 Site-Specific Model for Landfill Methane Emissions Inclusive of Seasonal Methane Oxidation. 6th Annual Climate Change Research Symposium, September 8-10, 2009, Sacramento, California. Available: http://www.climatechange.ca.gov/events/2009_symposium/index.html.
Spokas, K.A., Bogner, J., Chanton, J., Franco, G. 2009. Developing a New Field-Validated Methodology for Landfill Methane Emissions in California [abstract]. Twelfth International Waste Management and Landfill Symposium. S. Margherita di Pula, Cagliari, Italy; Oct. 5-9, 2009. pp. 225-226.
Spokas, K.A., Koskinen, W.C., Baker, J.M., Reicosky, D.C. 2009. Impacts of Woodchip Biochar Additions on Soil Carbon Net, CH4 Oxidation and Sorption/Degradation of Two Herbicides in a Minnesota Soil. Chemosphere. 77(4):571-581.
Spokas, K.A., Reicosky, D.C. 2009. Impact of Various Biochars on Greenhouse Gas Production Potentials [abstract]. Meeting Abstract. On-line proceedings and recording of presentations. http://cees.colorado.edu/biochar_environment.html.
La Scala, N., Lopes, A., Spokas, K.A., Archer, D.W., Reicosky, D.C. 2009. First-Order Decay Models to Describe Soil C-CO2 Loss After Rotary Tillage. Scientia Agricola. 66(5):650-657.
Scheutz, C., Kjeldsen, P., Bogner, J.E., De Visscher, A., Gebert, J., Hilger, H.A., Huber-Humer, M., Spokas, K.A. 2009. Microbial Methane Oxidation Processes and Technologies for Mitigation of Landfill Gas Emissions. Waste Management and Research. 27(5):409-455.
Bogner, J., Spokas, K.A., Chanton, J., Franco, G. 2009. Moving Up to the Top of the Landfill: A Field-Validated, Science-Based Methane Emissions Inventory Model for California Landfills. MSW Management. 19(2):36-39.
Venterea, R.T., Spokas, K.A., Baker, J.M. 2009. Accuracy and Precision Analysis of Chamber-Based Nitrous Oxide Gas Flux Estimates. Soil Science Society of America Journal. 73(4):1087-1093.
La Scala, N., Lopes, A., Spokas, K.A., Archer, D.W., Reicosky, D.C. 2009. Short-Term Temporal Changes of Bare Soil CO2 Fluxes Described by First-Order Decay Models. European Journal of Soil Science. 60(2):258-264.
Forcella, F., Gramig, G.G., Spokas, K.A., Bredeson, C. 2008. Critical plant life-history trait linkage to weather, management, and clients [abstract]. The Ecological Society of America. Paper No. P9091.
Lachnicht Weyers, S.L., Schomberg, H.H., Hendrix, P.F., Spokas, K.A., Endale, D.M. 2008. Construction of an electrical device for sampling earthworm populations in the field. Applied Engineering in Agriculture. 24(3):391-397.
La Scala, Jr., N., Lopes, A., Spokas, K.A., Bolonhezi, D., Archer, D.W., Reicosky, D.C. 2008. Short-term temporal changes of soil carbon losses after tillage described by a first-order decay model. Soil & Tillage Research. 99:108-118.
La Scala, N., Lopes, A., Spokas, K.A., Archer, D.W., Reicosky, D.C. 2007. Short-term temporal changes of bare soil CO2 fluxes after tillage described by a first-order decay model. Proceedings of the International Symposium on Organic Matter Dynamics in Agro-Ecosystems. July 16-19, 2007, Poitiers, France. I:98-99.
Sakaliene, O., Papiernik, S.K., Koskinen, W.C., Spokas, K.A. 2007. Sorption and predicted mobility of herbicides in Baltic soils. Journal of Environmental Science and Health Part B. 42:641-647.
Forcella, F., Archer, D.W., Spokas, K.A. 2007. Canada Thistle Phenology: Emergence, Growth, Anthesis, and Death of Shoots [Abstract]. Weed Science Society of America. Available: http://www.wssa.net.
Spokas, K.A., Forcella, F. 2006. Mathematical simulation of soil microclimate conditions for predicting weed seed germination [abstract][CD-ROM]. North Central Weed Science Society Proceedings. 61:89.
Venterea, R.T., Baker, J.M., Dolan, M.S., Spokas, K.A. 2006. Carbon and nitrogen storage are greater under biennial tillage in a Minnesota corn-soybean rotation. Soil Science Society of America Journal. 70:1752-1762.
Peterson, D.H., Spokas, K.A., Forcella, F., Reicosky, D.C., Wente, C.D. 2005. Seedling emergence of row crops and weeds across five tillage systems [abstract]. North Central Weed Science Society. 60:74.
Spokas, K.A., Forcella, F., Peterson, D.H., Archer, D.W., Reicosky, D.C. 2005. Seedchaser: Tillage model for vertical weed seed distribution [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 6-10, 2005, Salt Lake City, UT.
Zhang, Y., Spokas, K.A., Wang, D. 2005. Degradation of methyl isothiocyanate and chloropicrin in forest nursery soils. Journal of Environmental Quality. 34:1566-1572.
Venterea, R.T., Burger, M., Spokas, K.A. 2005. Nitrogen oxide and methane emissions under varying tillage and fertilizer management. Journal of Environmental Quality. 34:1467-1477.
Venterea, R.T., Burger, M., Spokas, K.A. 2005. Nitrous oxide and methane emissions under varying tillage and fertiizer management. USDA Symposium on Greenhouse Gases & Carbon Sequestration in Agriculture and Forestry, March 21-24, 2005, Baltimore, Maryland. p. 237.