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Records 1 to 25 of 116 records from author Markg Johnson

2023
Johnson, Mark G., J. Padilla, D. Watts, AND A. Szogi. Engineering Poultry Litter Biochar: Capturing Phosphorus, Improving Soil Phosphorus Management, and Protecting Water Quality. Chesapeake Bay Program’s (CBP) Scientific and Technical Advisory Committee (STAC), Hershey, PA, May 25 - 26, 2023.
Markwiese, J., Ron Waschmann, E Henry Lee, P. Beedlow, S. Cline, Jim Power, N. Schumaker, Mark G. Johnson, D. Olszyk, J. Compton, Joe Ebersole, AND S. Leibowitz. US Environmental Protection Agency Wildfire Outreach and Research Initiatives. Post-Fire Science and Monitoring Symposium, Corvallis, OR, February 07 - 08, 2023.
2022
Millard, G., Aaron R. Betts, S. Plunkett, Mark G. Johnson, Chris S. Eckley, AND Todd P. Luxton. Biochar Mediated Mercury Transport from a Spiked Soil. SETAC 2022 North America 43rd Annual Meeting, Pittsburgh, PA, November 13 - 17, 2022.
Betts, Aaron R., G. Millard, Shannon A. Plunkett, Mark G. Johnson, Chris S. Eckley, AND Todd P. Luxton. Effect of Biochar soil amendments on Mercury (Hg) mobility from a Hg(II)-spiked Soil. Technical Review Committee Bioavailability Workgroup Annual Science Meeting, Cincinnati, OH, February 22, 2022.
2021
Olszyk, D., Mark G Johnson, AND J. Novak. Biochar Research at EPA, ORD, Pacific Ecological Systems Division. Presented at Ag Issues Forum, Virtual, OR, February 25, 2021.
Eckley, Chris S., Todd P. Luxton, B. Stanfield, A. Baldwin, J. Holloway, J. McKernan, AND Mark G. Johnson. Effect of organic matter concentration and characteristics on mercury mobilization and methylmercury production at an abandoned mine site. ENVIRONMENTAL POLLUTION. Elsevier Science Ltd, New York, NY, 271:116369, (2021). https://doi.org/10.1016/j.envpol.2020.116369
Trippe, K., V. Manning, C. Reardon, A. Klein, C. Weidman, T. Ducey, J. Novak, D. Watts, H. Rushmiller, K. Spokas, J. Ippolito, AND Mark G Johnson. Phytostabilization of acidic mine tailings with biochar, biosolids, lime, and locally-sourced microbial inoculum: Do amendment mixtures influence plant growth, tailing chemistry, and microbial composition? Applied Soil Ecology. Elsevier Science Ltd, New York, NY, 165:103962, (2021). https://doi.org/10.1016/j.apsoil.2021.103962
Johnson, Mark G, Todd P Luxton, P. Rygiewicz, Jay R Reichman, Mike A Bollman, G. King, M. Storm, M. Nash, AND C. Andersen. Transformation and Release of Micronized Cu used as a Wood Preservative in Treated-Wood in Wetland Soil. ENVIRONMENTAL POLLUTION. Elsevier Science Ltd, New York, NY, 287:117189, (2021). https://doi.org/10.1016/j.envpol.2021.117189
2020
Olszyk, David M, T. Shiroyama, J. Novak, K. Cantrell, G. Sigua, D. Watts, AND Mark G Johnson. Biochar Affects Essential Elements of Carrot Taproots and Lettuce Leaves. HORTSCIENCE. American Society for Horticultural Science, 55(2):261-271, (2020). https://doi.org/10.21273/HORTSCI14421-19
Olszyk, D., T. Shiroyama, J. Novak, K. Cantrell, G. Sigua, D. Watts, AND M. Johnson. Biochar affects growth and shoot nitrogen in four crops for two soils. Agrosystems, Geosciences & Environment. John Wiley & Sons, Inc., Hoboken, NJ, , e20067, (2020). https://doi.org/10.1002/agg2.20067
Olszyk, D., Mark G Johnson, Mike Bollman, M. Nash, K. Trippe, V. Manning, D. Watts, AND J. Novak. Biochar and Other Amendments Promote Douglas fir Survival and Growth on Mine Tailings. Annual Meeting of Society of Environmental Toxicology and Chemistry, Virtual, OR, November 15 - 19, 2020.
Plunkett, S., Todd P Luxton, Chris S Eckley, AND Mark G Johnson. Use of Biochar Amendments to Mitigate Soil Pb Toxicity to People and Waterfowl. ASA-CSSA-SSSA International Annual Meeting, Virtual, OR, November 08 - 11, 2020.
Johnson, Mark G, D. Olszyk, Mike Bollman, M. Storm, G. King, V. Manning, K. Trippe, K. Spokas, J. Ippolito, D. Watts, T. Ducey, G. Sigua, AND J. Novak. Using Biochar and Soil Amendments for Plant Establishment in Mine Residuals at the Formosa Mine: A Case Study. American Society of Agronomy Annual Meetings, Virtual, OR, November 09 - 13, 2020.
2019
Johnson, Mark G, D. Olszyk, M. Bollman, M. Storm, G. King, V. Manning, K. Trippe, K. Spokas, J. Ippolito, D. Watts, T. Ducey, G. Sigua, AND J. Novak. A framework for amending mining residuals with biochar and other soil amendments to promote plant establishment. Biochar & Bioenergy 2019 Conference, Fort Collins, CO, June 30 - July 03, 2019.
Olszyk, D., Mark G Johnson, M. Bollman, T. Shiroyama, J. Novak, AND D. Watts. Biochar and Other Amendments to Enhance Tree Seedling Growth for Mine Revegetation. Annual Meeting of society Entoxicology and chemistry, Toronto, Ontario, CANADA, November 04 - 07, 2019.
Novak, J., J. Ippolito, D. Watts, G. Sigua, T. Ducey, AND Mark G Johnson. Biochar compost blends facilitate switchgrass growth in mine soils by reducing Cd and Zn bioavailability. Biochar Journal. Ithaka Institute for Carbon Intelligence , Arbaz, Switzerland, 1(1):97-114, (2019). https://doi.org/10.1007/s42773-019-00004-7
Ippolito, J., L. Cui, J. Novak, AND Mark G Johnson. Chapter 5 - Biochar for Mine Land Reclamation. Biochar from Biomass and Waste: Fundamentals and Applications. Elsevier Inc, Waltham, MA, , 75-90, (2019). https://doi.org/10.1016/B978-0-12-811729-3.00005-4
Johnson, Mark G, D. Olszyk, M. Bollman, M. Storm, G. King, V. Manning, K. Trippe, K. Spokas, J. Ippolito, D. Watts, T. Ducey, G. Sigua, AND J. Novak. Considerations for Applying Soil Amendments at Mine Sites. EPA Clu-In Webinar, Corvallis, OR, October 16, 2019.
Matosziuk, L., Y. Alleau, B. Kerns, J. Bailey, Mark G Johnson, AND J. Hatten. Effects of season and interval of prescribed burns on pyrogenic carbon in ponderosa pine stands in he southern Blue Mountains, Oregon, USA. Geoderma. Elsevier BV, AMSTERDAM, Netherlands, 348:1-11, (2019). https://doi.org/10.1016/j.geoderma.2019.04.009
2018
Volk, M., S. Bassin, M. Lehmann, Mark G Johnson, AND Christian P Andersen. 13C isotopic signature and C concentration of soil density fractions illustrate reduced C allocation to subalpine grassland soil under high atmospheric N deposition. SOIL BIOLOGY AND BIOCHEMISTRY. Elsevier Science Ltd, New York, NY, 125:178-184, (2018). https://doi.org/10.1016/j.soilbio.2018.07.014
Olszyk, David M, T. Shiroyama, J. Novak, AND Mark G Johnson. A Rapid-Test for Screening Biochar Effects on Seed Germination. Communications in Soil Science and Plant Analysis. Taylor & Francis Group, London, Uk, 49(16):2025-2041, (2018). https://doi.org/10.1080/00103624.2018.1495726
Maynard, J. AND M. Johnson. Applying fingerprint Fourier transformed infrared spectroscopy and chemometrics to assess soil ecosystem disturbance and recovery. JOURNAL OF SOIL AND WATER CONSERVATION. Soil and Water Conservation Society, 73(4):443-451, (2018). https://doi.org/10.2489/jswc.73.4.443
Olszyk, D, T Shiroyama, R. Coulombe, G. King, M. Polcher, J. Novak, AND M G Johnson. Biochar Enhances Seed Germination in a Legacy Mining Soil. Annual North American meeting of the Society of Environmental Toxicology and Chemistry, Sacramento, CA, November 04 - 08, 2018.
Olszyk, D., T. Shiroyama, M. Bollman, V. Manning, K. Trippe, J. Novak, D. Watts, AND M. G. Johnson. Biochar Improves Performance of Plants for Mine Soil Revegetation. Pacific Northwest Chapter meeting of the Society of Environmental Toxicology and Chemistry, Corvallis, OR, March 08 - 10, 2018.