Jim Ippolito

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Jim Ippolito

Professor, Rattan Lal Endowed Professor of Soil Health and Soil Fertility

ippolito.38@osu.edu

Office:

412C Kottman Hall

2021 Coffey Road, Columbus, OH 43210

Professional Information

Biography:

Dr. Jim Ippolito is a professor of environmental soil health. His 30+ year career has focused on improving environmental soil fertility/chemistry/microbiology/soil health within agricultural, shortgrass steppe, grazed, burned, and metal-contaminated mined-land ecosystems. His research program connects the intimate linkages between soil macro- and micro-nutrients, trace and heavy metals, microbiological activity, and soil physical attributes, and how these factors combine to influence ecosystem sustainability, resiliency, food, climate and environmental security.

Curriculum Vitae

W4170 Multistate Workgroup

Ippolito Research Team

Educational Background

Ph.D., Environmental Soil Quality/Chemistry, Colorado State University, December 2001.

Dissertation Title: Phosphorus adsorption/desorption of water treatment residuals and biosolids co-application effects.

M.S., Soil Chemistry/Fertility, Colorado State University, August 1992.

Thesis Title: Determination of salinity threshold levels for selected grass and legume forage species.

B.S., Plant Science - Agronomy Concentration, Microbiology Minor, University of Delaware, May 1989.

Professional Employment

• Professor, Rattan Lal Endowed Professor of Soil Health and Soil Fertility, School of Environmental and Natural Resources, College of Food, Agriculture, and Environmental Sciences, The Ohio State University, July 2023 to present

• Emeritus Professor, Department of Soil and Crop Sciences, Colorado State University, July 2023 to present

• Professor (tenure track), Soil Fertility/Environmental Soil Quality, Department of Soil and Crop Sciences, Colorado State University, July 2022 to present

• Associate Department Head, Department of Soil and Crop Sciences, Colorado State University, April 2021 to August 2022

• Associate Professor (tenure track), Soil Fertility/Environmental Soil Quality, Department of Soil and Crop Sciences, Colorado State University, 2018 to June 2022

• International Memorandum of Understanding, Colorado State University and Henan University of Technology (Zhengzhou, China; Dr. Liping Li), 2019 to 2024

• Associate Professor (non-tenure track), Soil Fertility/Environmental Soil Quality, Department of Soil and Crop Sciences, Colorado State University, 2016 to 2018

• Research Soil Scientist (GS14-6), USDA-ARS, 2016-2016

• Research Soil Scientist (GS14-5), USDA-ARS, 2013-2015

• Research Soil Scientist (GS14-4), USDA-ARS, 2011-2013

• Research Soil Scientist (GS13-6), USDA-ARS, 2009-2011

• Research Soil Scientist (GS13-4), USDA-ARS, 2007-2009

• Assistant Professor (non-tenure track), Environmental Soil Quality/Chemistry, Department of Soil and Crop Sciences, Colorado State University, 2002-2007

• Research Associate, Department of Soil and Crop Sciences, Colorado State University, 1991-2002

Google Scholar link: https://scholar.google.com/citations?user=0qOb-iYAAAAJ&hl=en

Keywords

Soil health, Soil Fertility, Agroecosystems, Heavy metals in soils, Plant/Animal/Human health, Remediation of contaminated lands

Research Interests

My research program focuses on soil health, soil fertility, and environmental quality

Connecting the intimate linkages between soil macro- and micro-nutrients, trace and heavy metals, microbial activity, and soil physical attributes, to influence and (hopefully) improve ecosystem and agroecosystem sustainability and resiliency
Combining the above factors, my research team ultimately focuses efforts related to food biofortification, food security for a growing population, climate and environmental security.
My team focuses research attention on the connectedness between soil health, plant health, animal health, human health, and overall, environmental health.
We utilize a combination of wet chemistry, modifications in agroecosystems, remediation strategies in contaminated lands, and advanced spectroscopic tools to identify and reduce inorganic and organic pollutant health risks in soils, and thus reducing these health risks in plants, animals, and humans.

Ippolito Research Team

Courses Offered

Environment and Natural Resources 5270: Soil Fertility
ENR 5270 (3 semester hr) has two, 1 hour and 20 minute lectures twice per week for the face to face offering, and a self-paced on-line version in Carmen. This course provides a broad overview of the principles of soil fertility, plant nutrition, and nutrient management in managed ecosystems.
The course covers foundational information on the cycling of individual nutrients in soil, including the biotic and abiotic factors that influence these dynamics. Students are exposed to many contemporary issues around nutrient management and taught basic practical skills for managing nutrients in agricultural systems. This course has been designed to accommodate student interests from a wide range of backgrounds and disciplines.

Selected Publications

Books and Chapters

Ippolito, J.A. 2021. Chapter 7: Nutrient availability: Macro- and micro-nutrients and soil quality and health. In: Soil Health: Vol. 2: Laboratory Methods for Soil Health Assessment (D.L. Karlen, D.E. Stott, and M.M. Mikha, eds.), Soil Science Society of America (SSSA) & Wiley International, SSSA, Madison, WI. pp. 109-125.

Ippolito, J.A., L. Cui, J.M. Novak, and M.G. Johnson. 2019. Biochar for mine land reclamation. In: Biochar from Biomass and Waste (Y.S. Ok, N. Bolan, D. Tsang, and J. Novak, Eds.). Elsevier. Amsterdam, Netherlands. pp. 75-90.

Ippolito, J.A., K.A. Spokas, J.M. Novak, R.D. Lentz, and K.B. Cantrell. 2015. Biochar elemental composition and factors influencing nutrient retention. In: Biochar for Environmental Management: Science, Technology and Implementation. 2^nd Ed. (J. Lehmann, and S. Joseph, eds.), Routledge. New York, NY. pp. 137-161.

PhD students Jim Ippolito mentors at Colorado State University

Mr. Austin Hopkins – focusing on big data interpretation in agriculture. https://www.linkedin.com/in/austin-hopkins-534915110
Mrs. Catherine Schumak – focusing on atrazine movement and modeling in the environment - https://www.linkedin.com/in/catherine-schumak-b7902864
Mr. Tad Trimarco – focusing on the interconnectivity of in-field management practices, alterations to soil health, and edge of field water quality monitoring - https://www.linkedin.com/in/tad-trimarco-348b66165

MS students Jim Ippolito mentors at Colorado State University

Mr. Oliver Hoffman – focusing on quantifying soil health in agroecosystems under different management practices as compared to “benchmark” ecosystems. And quantifying changes in soil microbiomes utilizing metabolomics research - https://www.linkedin.com/in/oliver-hoffman-81b654217

Works

Refereed Journal Articles (last 5 years)

Underlined names indicate graduate or undergraduate student authors whom I mentored.
† = Underrepresented graduate or undergraduate student authors whom I mentored.

Cui. L., J. Ma, G. Quan, J. Yan, J.A. Ippolito, and H. Wang. 2023. Biochar alters the degradation and transport of kasugamycin in soil and spinach. MDPI Agriculture. 13, 2172. https://doi.org/10.3390/agriculture13112172.

Padilla, J.T., D.W. Watts, J.M. Novak, V. Cerven, J.A. Ippolito, A.A. Szogi, and M.G. Johnson. 2023. Magnesium activation affects the properties and phosphate sorption capacity of poultry litter biochar. Biochar. 5:64. https://doi.org/10.1007/s42773-023-00263-5.

Trimarco, T., J.A. Ippolito, J. Brummer, and C. Buchanan. 2023. Tracking soil health changes in a management-intensive grazing agroecoysystem. Soil Systems. 7:94. https://doi.org/10.3390/soilsystems7040094.

Xing, W., L. Fang, J.A. Ippolito, F. Cai, Y. Wang, Y. Wang, Y. Yang, and L. Li. 2023. Effect of soluble phosphate and bentonite amendments on lead and cadmium bioavailability and bioaccessibility in a contaminated soil. Sci. Tot. Environ. 900:166370. https://doi.org/10.1016/j.scitotenv.2023.166370.

Xu, Z., M. Sun, X. Xu, X. Cao, J.A. Ippolito, S.K. Mohanty, B-J. Ni, S. Xu, and D.C.W. Tsang. 2023. Electron donation of Fe-Mn biochar for chromium(VI) immobilization: Key roles of embedded zero-valent iron clusters within iron-manganese oxide. J. Hazard. Mater. 456:131632. https://doi.org/10.1016/j.jhazmat.2023.131632.

Liptzin, D., E.L. Rieke, S.B. Cappellazzi, G.M. Bean, M. Cope, K.L.H. Greub, C.E. Norris, P.W. Tracy, E. Aberle, A. Ashworth, O. Bañuelos Tavarez, A.I. Bary, R.L. Baumhardt, A. Borbón Gracia, D.C. Brainard, J.R. Brennan, D. Briones Reyes, D. Bruhjell, C.N. Carlyle, J.J.W. Crawford, C.F. Creech, S.W. Culman, B. Deen, C.J. Dell, J.D. Derner, T.F. Ducey, S.W. Duiker, M.F. Dyck, B.H. Ellert, M.H. Entz, A. Espinosa Solorio, S.J. Fonte, S. Fonteyne, AM. Fortuna, J.L. Foster, A.J. Franzluebbers, L.M. Fultz, A.V. Gamble, C.M. Geddes, D. Griffin-LaHue, J.H. Grove, S.K. Hamilton, X. Hao, Z.D. Hayden, N. Honsdorf, J.A. Howe, J.A. Ippolito, G.A. Johnson, M.A. Kautz, N.R. Kitchen, S. Kumar, K.S.M. Kurtz, F.J. Larney, K.L. Lewis, M. Liebman, A. Lopez Ramirez, S. Machado, B. Maharjan, M.A. Martinez Gamiño, W.E. May, M.P. McClaran, M.D. McDaniel, N. Millar, J.P. Mitchell, A.D. Moore, P.A. Moore Jr, M. Mora Gutiérrez, K.A. Nelson, E.C. Omondi, S.L. Osborne, D.L. Osmond, L. Osorio Alcalá, P. Owens, E.M. Pena-Yewtukhiw, H.J. Poffenbarger, B. Ponce Lira, J.R. Reeve, T.M. Reinbott, M.S. Reiter, E.L. Ritchey, K.L. Roozeboom, Y. Rui, A. Sadeghpour, U.M. Sainju, G.R. Sanford, W.F. Schillinger, R.R. Schindelbeck, M.E. Schipanski, A.J. Schlegel, K.M. Scow, L.A. Sherrod, A.L Shober, S.S. Sidhu, E. Solís Moya, M. St. Luce, J.S. Strock, A.E. Suyker, V.R. Sykes, H. Tao, M.L. Thompson, A. Trujillo Campos, L.L. Van Eerd, H.M van Es, N. Verhulst, T.J. Vyn, Y. Wang, D.B. Watts, D.L. Wright, T. Zhang, C.L.S. Morgan, and C. Wayne Honeycutt. 2023. An evaluation of nitrogen indicators for soil health in long-term agricultural experiments. Soil Sci. Soc. Am. J. 2023; 1-17. DOI: 10.1002/saj2.20558.

Li, L., K. Mao, J.A. Ippolito, W. Xing, Y. Wang, and T. Li. 2023. Phosphate, lime and bentonite affect heavy metals and phosphorus availability in acidic and calcareous soils. Commun. Soil Sci. Plant Anal. https://doi.org/10.1080/00103624.2023.2211094

Stokes, S.C., P. Trivedi, K. Otto, J.A. Ippolito, and T. Borch. 2023. Determining soil health parameters controlling crop productivity in a citrus greening disease affected orange grove. Soil Environ. Health. 1:1000016. Selected as one of eight SEH Excellent Papers in 2023.

Li, L., Y. Liu, J.A. Ippolito, W. Xing, Q. Zuo, and F. Wang. 2023. Fermentation affects heavy metal bioaccessibility in Chinese mantou. Environ. Sci. Pollut. Res. https://doi.org/10.1007/s11356-023-26727-6.

Li, L. Y. Cao, J.A. Ippolito, W. Xing, K. Qiu, H. Li, D. Zhao, Y. Wang, and Y. Wang. 2023. Cadmium and lead bioavailability to poultry fed with contaminated soil-spiked feed. Sci. Tot. Environ. 879:163036. http://dx.doi.org/10.1016/j.scitotenv.2023.163036.

Liu, P, L. Li, J.A. Ippolito, W. Xing, Y. Wang, Y. Wang, Y. Cheng, and K. Qiu. 2023. Heavy metal distribution in wheat plant components following foliar Cd application. Chemosphere. https://doi.org/10.1016/j.chemosphere.2023.138177.

Thorndyke, M.P.^†, O. Guimaraes, M. Medrado, H.Y. Loh, B.V. Tangredi, A. Reyes, R.K. Barrington, K. Schmidt, N.M. Tillquist, L. Li, J.A. Ippolito, J.T. Zervoudakis, J.J. Wagner, and T.E. Engle. 2023. The effects of long-term molybdenum exposure in drinking water on molybdenum metabolism and production performance of beef cattle consuming a high forage diet. Biol. Trace Elem. Res. https://doi.org/10.1007/s12011-022-03532-9.

Harmel, R.D., P.J.A. Kleinman, A. Hopkins, P. Millhouser, J.A. Ippolito, and D. Sahoo. 2022. Updates to the MANAGE database to facilitate regional analyses of nutrient runoff. Agric. Environ. Letters. https://doi.org/10.1002/ael2.20095.

Reike, E., D.K. Bagnall, C.L.S. Morgan, K.D. Flynn, J.A. Howe, K.L.H. Greub, G.M. Bean, S.B. Cappellazzi, M. Cope, D. Liptzin, C.E. Norris, P.W. Tracy, E. Aberle, A. Ashworth, O. Bañuelos Tavarez, A.I. Bary, R.L. Baumhardt, A. Borbón Gracia, D.C. Brainard, J.R. Brennan, D. Briones Reyes, D. Bruhjell, C.N. Carlyle, C.F. Creech, S.W. Culman, B. Dean, C.J. Dell, J.D. Derner, S.W. Duiker, T.F. Ducey, M.F. Dyck, B.H. Ellert, M.H. Entz, A. Espinosa Solorio, S.J. Fonte, S. Fonteyne, A-M. Fortuna, J.L. Foster, L.M. Fultz, A.V. Gamble, C.M. Geddes, D. Griffin-LaHue, J.H. Grove, S.K. Hamilton, X. Hao, Z.D. Hayden, N. Honsdorf, J.A. Ippolito, G.A. Johnson, M.A. Kautz, N.R. Kitchen, S. Kumar, K.S.M. Kurtz, F.J. Larney, K.L. Lewis, M. Liebman, A. Lopez Ramirez, S. Machado, B. Maharjan, M.A. Martinez Gamiño, W.E. May, M.P. McClaran, M.D. McDaniel, N. Millar, J.P. Mitchell, A.D. Moore, P.A. Moore Jr., M. Mora Gutiérrez, K.A. Nelson, E.C. Omondi, S.L. Osborne, L. Osorio Alcalá, P. Owens, E.M. Pena-Yewtukhiw, H.J. Poffenbarger, B. Ponce Lira, J.R. Reeve, T.M. Reinbott, M.S. Reiter, E.L. Ritchey, K.L. Roozeboom, Y. Rui, A. Sadeghpour, U.M. Sanju G.R. Sanford, W.F. Schillinger, R.R. Schindelbeck, M.E. Schipanski, A.J. Schlegel, K.M. Scow, L.A. Sherrod, A.L. Shober, S.S. Sidhu, E. Solís Moya, M. St. Luce, J.S. Strock, A.E. Suyker, V.R. Sykes, H. Tao, A. Trujillo Campos, L.L. Van Eerd, H.M. van Es, N. Verhulst, T.J. Vyn, Y. Wang, D.B. Watts, D.L. Wright, T. Zhang, and C.W. Honeycutt. 2022. Evaluation of Aggregate Stability Methods for Soil Health. Geoderma. 428:116156.

Bagnall, D.K, G.M. Bean, D. Liptzin, S.B. Cappellazzi, M. Cope, K.L.H. Greub, E.L. Rieke, C.E. Norris, P.W. Tracy, E. Aberle, A. Ashworth, O. Bañuelos Tavarez, A.I. Bary, R. L. Baumhardt, A. Borbón Gracia, D.C. Brainard, J.R. Brennan, D. Briones Reyes, D. Bruhjell, C.N. Carlyle, J.J.W. Crawford, C.F. Creech, S.W. Culman, B. Deen, C.J. Dell, J.D. Derner, T.F. Ducey, S.W. Duiker, M.F. Dyck, B.H. Ellert, M.H. Entz, A. Espinosa Solorio, S.J. Fonte, S. Fonteyne, A-M. Fortuna, J.L. Foster, L.M. Fultz, A.V. Gamble, C.M. Geddes, D. Griffin-LaHue, J.H. Grove, S.K. Hamilton, X. Hao, Z.D. Hayden, N. Honsdorf, J.A. Howe, J.A. Ippolito, G.A. Johnson, M.A. Kautz, N.R. Kitchen, S. Kumar, K.S.M. Kurtz, F.J. Larney, K.L. Lewis, M. Liebman, A. Lopez Ramirez, S. Machado, B. Maharjan, M.A. Martinez Gamiño, W.E. May, M.P. McClaran, M.D. McDaniel, N. Millar, J.P. Mitchell, A.D. Moore, P.A. Moore Jr., M. Mora Gutiérrez, K.A. Nelson, E.C. Omondi, S.L. Osborne, L. Osorio Alcalá, P. Owens, E.M. Pena-Yewtukhiw, H.J. Poffenbarger, B. Ponce Lira, J.R. Reeve, T.M. Reinbott, M.S. Reiter, E.L. Ritchey, K.L. Roozeboom, Y. Rui, A. Sadeghpour, U.M. Sainju, G.R. Sanford, W.F. Schillinger, R.R. Schindelbeck, M.E. Schipanski, A.J. Schlegel, K.M. Scow, L.A. Sherrod, A.L. Shober, S.S. Sidhu, E. Solís Moya, M. St. Luce, J.S. Strock, A.E. Suyker, V.R. Sykes, H. Tao, A. Trujillo Campos, L.L. Van Eerd, H.M. van Es, N. Verhulst, T.J. Vyn, Y. Wang, D.B. Watts, B.B. William, D.L. Wright, T. Zhang, and C.W. Honeycutt. 2022. Selecting soil hydraulic properties as indicators of soil health: Measurement response to management and site characteristics. Soil Sci. Soc. Am. J. 86:1206-1226. https://doi.org/10.1002/saj2.20428.

Kleinman, P.J.A., D.L. Osmond, L.E. Christianson, D.N. Flaten, J.A. Ippolito, H.P. Jarvie, J.P. Kaye, K.W. King, A.B. Leytem, J.M. McGrath, N.O. Nelson, A.L. Shober, D.R. Smith, K.W. Staver, and A.N. Sharpley. 2022. Addressing conservation practice limitations and trade-offs for reducing phosphorus loss from agricultural fields. Agric. Environ. Letters. https://doi.org/10.1002/ael2.20084.

Mosier, S.^†, S. Apfelbaum, P. Byck, J. Ippolito, and M.F. Cotrufo. 2022. Improvements in soil properties under adaptive multipaddock grazing relative to conventional grazing. Agronomy J. 114:2584-2597. DOI: 10.1002/agj2.21135.

Ma, J., G. Quan, J. Yan, J.A. Ippolito, L. Cui, H. Wang, T. Qiu, and Y. Sun. 2022. Biochar extract compounds alter germination and growth of crop seed. Bioresources. 17:4151-4166.

Luo, J., W. Xing, J.A. Ippolito, L. Zhao, Y. Wang, Y. Wang, K. Han, and L. Li. 2022. Bioaccessibility, source and health risk of Pb, Cd, Cu and Zn in windowsill dusts from an area affected by long-term Pb smelting. Sci. Total Environ. 842:156707.

Ippolito, J.A., and K.A. Barbarick. 2022. The Clean Water Act and biosolids: A 45-year chronological review of biosolids land application in Colorado. J. Environ. Qual. 51:780-796. http://doi.org/10.1002/jeq2.20376.

Xing, W. J. Luo, J.A. Ippolito, R. Lu, Z. Hao, and L. Li. 2022. Metal contamination in soils and windowsill dusts: Implication of multiple sources on dust metal accumulation within a city affected by Pb smelting. Environ. Sci. Pollut. Res. 29:68447-68459. https://doi.org/10.1007/s11356-022-20696-y.

Liptzin, D., C.E. Norris, S.B. Cappellazzi, G.M. Bean, M. Cope, K.L.H. Greub, E.L. Rieke, P.W. Tracy, E. Aberle, A. Ashworth, O.B. Tavarez, A.I. Bary, R.L. Baumhardt, A.B. Gracia, D.C. Brainard, J.R. Brennan, D.B. Reyes, D. Bruhjell, C.N. Carlyle, J.J.W. Crawford, C.F. Creech, S.W. Culman, B. Deen, C.J. Dell, J.D. Derner, T.F. Ducey S.W. Duiker, R.S. Dungan, M.F. Dyck, B.H. Ellert, M.H. Entz, A.E. Solorio, S.J. Fonte, S. Fonteyne, A-M. Fortuna, J.L. Foster, A.J. Franzluebbers, L.M. fultz, A.V. Gamble, C.Hm Geddes, D. Griffin-LaHue, J.H. Grove, S.K. Hamilton, X. Hao, Z.D. Hayden, J.L. Heitman, N. Honsdorf, J.A. Howe, J.A. Ippolito, G.A. Johnson, M.A. Kautz, N.R. Kitchen, S. Kumar, K.S.M. Kurtz, F.J. Larney, K.L, Lewis, A.B. Leytem, M.A. Liebig, M. Liebman, A.L. Ramirez, S. Machado, B. Maharjan, M.A.M. Gamino, W.E. May, M.P. McClaran, M.D. McDaniel, M. Millar, J.P. Mitchell, P.A. Moore Jr., A.D. Moore, M.M. Gutierrez, K.A. Nelson, E.C. Omondi, S.L. Osborne, D.L. Osmond, L.O. Alcala, P. Owens, E.M. Pena-Yewtukhiw, H.J. Poffenbarger, B.P. Lira, J.R. Reeve, T.M. Reinbott, M.S. Reiter, E.L. Ritchey, K.L. Roozeboom, Y. Rui, A. Sadeghpour, U.M. Sainju, G.R. Sanford, W.F. Schillinger, R.R. Schindelbeck, M.E. Schipanski, A.J. Schlegel, K.M. Scow, L.A. Sherrod, A.L. Shober, S.S. Sidhu, E.S. Moya, M. St. Luce, J.S. Strock, A.E. Suyker, V.R. Sykes, H. Tao, M.L. Thompson, A.T. Campos, L.L. Van Eerd, N. Verhulst, T.J. Vyn, Y. Wang, D.B. Watts, B.B. William, D.L. Wright, T. Zhang, C.L.S. Morgan, and C.W. Honeycutt. 2022. An evaluation of carbon indicators of soil health in long-term agricultural experiments. J. Soil Biol. Biochem. 172:108708. https://doi.org/10.1016/j.soilbio.2022.108708.

Rieke, E.L., S.B. Cappellazzi, M. Cope, D. Liptzin, G.M. Bean, K.L.H. Greub, C.E. Norris, P.W. Tracy, E. Aberle, A. Ashworth, O. Bañuelos Tavarez, A.I. Bary, R.L. Baumhardt, A. Borbón Gracia, D.C. Brainard, J.R. Brennan, D. Briones Reyes, D. Bruhjell, C.N. Carlyle, J.J.W. Crawford, C.F. Creech, S.W. Culman, B. Deen, C.J. Dell, J.D. Derner, T.F. Ducey, S.W. Duiker, R.S. Dungan, M.F. Dyck, B.H. Ellert, M.H. Entz, A. Espinosa Solorio, S.J. Fonte, S. Fonteyne, A-M. Fortuna, J.L. Foster, A.J, Franzluebbers, L.M. Fultz, A.V. Gamble, C.M. Geddes, D. Griffin-LaHue, J.H. Grove, S.K. Hamilton, X. Hao, Z.D. Hayden, J.L. Heitman, N. Honsdorf, J.A. Howe, J.A. Ippolito, G.A. Johnson, M.A. Kautz, N.R. Kitchen, S. Kumar, K.S.M. Kurtz, F.J. Larney, K.L. Lewis, A.B. Leytem, M.A. Liebig, M. Liebman, A. Lopez Ramirez, S. Machado, B. Maharjan, M.A. Martinez Gamiño, W.E. May, M.P. McClaran, M.D. McDaniel, N. Millar, J.P. Mitchell, P.A. Moore, A.D. Moore, M. Mora Gutiérrez, K.A. Nelson, E.C. Omondi, S.L. Osborne, D.L. Osmond, L. Osorio Alcalá, P. Owens, E.M. Pena-Yewtukhiw, H.J. Poffenbarger, B. Ponce Lira, J.R. Reeve, T.M. Reinbott, M.S. Reiter, E.L. Ritchey, K.L. Roozeboom, Y. Rui, A. Sadeghpour, U.M. Sainju, G.R. Sanford, W.F. Schillinger, R.R. Schindelbeck, M.E. Schipanski, A.J. Schlegel, K.M. Scow, L.A. Sherrod, A.L. Shober, S.S. Sidhu, E. Solís Moya, M. St. Luce, J.S. Strock, A.E. Suyker, V.R. Sykes, H. Tao, C. Morgan, and C.W. Honeycutt.2022. Linking soil microbial community structure to potential carbon mineralization: a continental scale assessment of reduced tillage. Soil Biol. Biochem. 168:108618.

Afshar, R.K.^†, P. Cabot, J.A. Ippolito, M. Dekamin, B. Reed, H. Doyle, and J. Fry. 2022. Corn productivity and soil characteristic alterations following transition from conventional to conservation tillage. Soil and Tillage Research. 220:105351.

Bagnall, D.K., C.L.S. Morgan, M. Cope, G.M. Bean, S.B. Cappellazzi, K.L.H. Greub, D. Liptzin, C.E. Norris, E.L. Rieke, P.W. Tracy, E. Aberle, O. Bañuelos Tavarez, A.I. Bary, R.L. Baumhardt, A. Borbón Gracia, D.C. Brainard, J.R. Brennan, D.B. Reyes, D. Bruhjell, C.N. Carlyle, J.H. Crawford, C.F. Creech, S.W. Culman, B. Deen, C.J. Dell, J.D. Derner, T.F. Ducey, S.W. Duiker, R.S. Dungan, M.F. Dyck, B.H. Ellert, M.H. Entz, A. Espinosa Solorio, S.J. Fonte, S. Fonteyne, A-M. Fortuna, J.L. Foster, A.J. Franzluebbers, L.M. Fultz, A.V. Gamble, C.M. Geddes, D. Griffin-LaHue, J.H. Grove, S.K. Hamilton, X. Hao, Z.D. Hayden, J.L. Heitman, N. Honsdorf, J.A. Howe, J.A. Ippolito, G.A. Johnson, M.A. Kautz, N.R. Kitchen, S. Kumar, K.S.M. Kurtz, F.J. Larney, K.L. Lewis, A.B. Leytem, M.A. Liebig, M. Liebman, A. Lopez Ramirez, S. Machado, B. Maharjan, M.A. Martinez Gamiño, W. May, M.P. McClaran, M.D. McDaniel, N. Millar, J.P. Mitchell, A. Moore, P.A. Moore Jr., M.M Gutiérrez, K.A. Nelson, E.C. Omondi, S.L. Osborne, D.L. Osmond, L.O. Alcalá, E.M. Pena-Yewtukhiw, H.J. Poffenbarger, B.P Lira, J.R. Reeve, T.M. Reinbott, M. Reiter, E.L. Ritchey, K.L. Roozeboom, Y. Rui, A. Sadeghpour, U.M. Sainju, G.R. Sanford, W.F. Schillinger, R.R. Schindelbeck, M.E. Schipanski, A.J. Schlegel, K.M. Scow, L.A. Sherrod, A.L. Shober, S.S. Sidhu, E. Solís Moya, M. St. Luce, J.S. Strock, A.E. Suyker, V.R. Sykes, H. Tao, M.L. Thompson, A. Trujillo Campos, L.L. Van Eerd, N. Verhulst, T.J. Vyn, D.B. Watts, B.B. William, D.L. Wright, T. Zhang, C.W. Honeycutt. 2022. Carbon-sensitive pedotransfer functions for plant available water. Soil Sci. Soc. Am. J. 86:612-629. https://doi.org/10.1002/saj2.20395. A top-cited paper in the Soil Sci. Soc. Am J. between 1/1/21 and 12/15/22.

Miner, G.L.^†, J.A. Delgado, J.A. Ippolito, J. Johnson, D. Kluth, and C.E. Stewart. 2022. Wheat grain micronutrients and relationships with yield and protein in the Central High Plains. Field Crops Res. 279:108453. https://doi.org/10.1016/j.fcr.2022.108453.

Li, L., K. Mao, J.A. Ippolito, W. Xing, X. Chen, and W. Zhu. 2022. Calcium amendments affect heavy metal bioavailability in an acidic and calcareous soils. International J. Environ. Sci. Technol. 19:10067-10076. https://doi.org/10.1007/s13762-021-03840-y.

Keshavarz, R., T. Banet, L. Li, and J.A. Ippolito. 2022. Furrow-irrigated corn residue management and tillage strategies for improved soil health. Soil and Tillage Research. 216:105238. [IF=5.374].

Natasha, N., M. Shahid, S. Khalid, I. Bibi, M.A. Naeem, N.K. Niazi, F.M.G. Tack, J.A. Ippolito, and J. Rinklebe. 2021. Influence of biochar on trace element uptake, toxicity, and detoxification in plants and associated health risks: A critical review. Critical Reviews in Environmental Science and Technology. 52:2803-2843. Available at: https://www.tandfonline.com/doi/full/10.1080/10643389.2021.1894064. [IF=8.302].

Vithanage, M. S.S. Mayakaduwa, V. Gunarathne, A.U. Rajpaksha, M. Ahmad, A. Abduljabbar, A. Usman, M.I. Al-Wabel, and J.A. Ippolito, and Y.S. Ok. 2021. Animal carcass burial management: Implications for sustainable biochar use. Appl. Biological. Chem. 64:91. https://doi.org/10.1186/s13765-021-00652-z. [IF=1.813].

Lentz, R.D., J.A. Ippolito, and KA. Spokas. 2021. Does turbulent-flow condition of irrigation water influence soil chemical processes: II. Long-term soil and crop study. Commun. Soil Sci. Plant Anal. https://doi.org/10.1080/00103624.2021.2017963. [IF=1.327].

Ducey, T.F., G.C. Sigua, J.M. Novak, J.A. Ippolito, K.A. Spokas, and M.G. Johnson. 2021. Microbial response to phytostabilization in mining impacted soils using maize in conjunction with biochar and compost. Microorganisms. 9:2545. https://doi.org/10.3390/microorganisms9122545. [IF=3.864].

McKenna, A.M., M.L. Chacon-Patino, H. Chen, G.T. Blakney, F. Metnink-Vigier, R.B. Young, J.A. Ippolito, and T. Borch. 2021. Solvent extraction reveals nonpolar and aromatic species isolated from biochar not detected in water-soluble fractions by FT-ICR mass spectrometry. Analytical Chemistry. https://doi.org/10.1021/acs.analchem.1c03058. [IF=6.785].

Harmel, D., P. Kleinman, M. Eve, J.A. Ippolito, S. Beebout, J. Delgado, B. Vandenberg, and M. Buser. 2021. Partnerships for Data Innovations (PDI): Facilitating stewardship and catalyzing research engagement in the digital age. Agric. Environ. Letters. https://doi.org/10.1002/ael2.20055. [IF=2.000].

Harris, F.^†, J. Dobbs, D. Atkins, J.A. Ippolito, and J.E. Stewart. 2021. Soil fertility interactions with Sinorhizobium-legume symbiosis in a simulated Martian regolith; effects on nitrogen content and plant health. PLOS One. 16 (9): e0257053 DOI: 10.1371/journal.pone.0257053. [IF=3.240].

Joseph, S., A. Cowie, L. Van Zwieten, N. Bolan, A. Budai, W. Buss, M.L. Cayuela, E. Graber, J. Ippolito, Y. Kuzyakov, Y.S. Ok, K. Palansooriya, J. Shepherd, S. Stephens, Z. Weng, Y. Luo, and J. Lehmann. 2021. How biochar works and when it doesn’t: A review of mechanisms controlling soil and plant response to biochar. Global Change Biology Biochem. 13:1731-1764. Doi: 10.1111/gcbb.12885. [IF=10.860]. Most downloaded paper in 2021 with 12,005 downloads. Top 10 most downloaded papers in 2022.

Cui, L., L. Li, R. Bian, J.A. Ippolito, J. Yan, and G. Quan. 2021. Physicochemical disintegration of biochar: A potentially important process for long-term cadmium and lead sorption. Biochar. 3:511-518. https://doi.org/10.1007/s42773-021-00108-z. [IF~7.000].

Buchanan, C.M.^†, and J.A. Ippolito. 2021. Long-term biosolids applications to overgrazed rangelands improve soil health. MDPI Agronomy. 11: 1339. [IF=3.417].

Ippolito, J.A., T.F. Ducey, K. Diaz^†, and K.A. Barbarick. 2021. Long-term biosolids land application influences soil health. Sci. Tot. Environ. 791:148344. [IF=6.551].

Shawver, C.^†, J.A. Ippolito, J. Brummer, J. Ahola, and R. Rhoades. 2021. Soil health changes following transition from an annual cropping to perennial management‐intensive grazing agroecosystem. Agrosystems, Geosciences, and Environment. 4, e20181. https://doi.org/10.1002/agg2.20181.

Cui, L., J.A. Ippolito, M. Noerpel, and K.G. Scheckel. 2021. Nutrient alterations following biochar application to a Cd-contaminated solution and soil. Biochar. 3:457-468. https://doi.org/10.1007/s42773-021-00106-1. [IF~7.000].

Ducey, T.F. J.M. Novak, G.C. Sigua, J.A. Ippolito, H.C. Rushmiller, D.W. Watts, K.M. Trippe, K.A. Spokas, K.C. Stone, and M.G. Johnson. 2021. Microbial response to designer biochar and compost treatments for mining-impacted soils. Biochar. 3:299-314. https://doi.org/10.1007/s42773-021-00093-3. [IF~7.000].

Trippe, K.M., V.A. Manning, C.A. Reardon, A.M. Klein, C. Weidman, T.F. Ducey, J.M. Novak, D.W. Watts., H. Rushmiller, K.A. Spokas, J.A. Ippolito, and M.G. Johnson. 2021. Phytostabilization of acidic mine tailings with biochar, biosolids, lime, and locally-sourced inoculum: Do amendment mixtures influence plant growth, tailing chemistry, and microbial composition? Applied Soil Ecology. 165:103962. [IF=3.970].

Afkairin, A.^†, J.A. Ippolito, M. Stromberger, and J.G. Davis. 2021. Solubilization of organic phosphorus sources by cyanobacteria and a commercially available bacterial consortium. Applied Soil Ecology. 162, 103900. [IF=3.970].

Li, L., Y. Zhang, J.A. Ippolito, W. Xing, and C. Tu. 2021. Lead smelting alters wheat flour heavy metal concentrations and health risks. J. Environ. Qual. 50:454-464. [IF=2.142].

Lentz, R.D., and J.A. Ippolito. 2021. Cross-linked polymers increase nutrient sorption in degraded soils. Agronomy J. 1-15. [IF=1.683]. A top-cited paper in Agronomy J. between 1/1/21 and 12/15/22.

Awan, S.^†, J.A. Ippolito, J.L. Ullman, K. Ansari, L. Cui, and A.A. Siyal. 2021. Biochars reduce irrigation water sodium adsorption ratio. Biochar. 3:77-87. [IF~7.000].

Xing, W., H. Yang, J.A. Ippolito, Q. Zhao, Y. Zhang, K.G. Scheckel, and L. Li. 2020. Atmospheric deposition of As, Cd, Cu, Pb and Zn near an operating and an abandoned lead smelter. J. Environ. Qual. 49:1667-1678. [IF=2.142].

Ippolito, J.A., Cui, L., C. Kammann, N. Wrage-Monnig, J.M. Estavillo, T. Fuertes-Mendizabal, M. Cayuela, G. Sigua, J. Novak, K. Spokas, and N. Borchard. 2020. Feedstock choice, pyrolysis temperature and type influence biochar characteristics: A comprehensive review. Biochar. 2:421-438. [IF~7.000; cited 25 times].

Cui, L., L. Li, R. Bian, J. Yan, G. Quan, Y. Liu, J.A. Ippolito, and H. Wang. 2020. Short- and long-term biochar cadmium and lead immobilization mechanisms. Environments. 7:53. doi:10.3390/environments7070053. [IF=2.520; cited 2 times].

Miner, G.L.^†, J.A. Delgado, J.A. Ippolito, and C.E. Stewart. 2020. Soil health management practices and crop productivity. Ag. Environ. Letters. DOI: 10.1002/ael2.20023. [cited 15 time]. Top 10 downloaded papers in 2021.

Bjorneberg, D., B. King, A. Koehn, and J.A. Ippolito. 2020. Moving toward sustainable irrigation in a southern Idaho irrigation project. Trans. ASABE. https://doi.org/10.13031/trans.13955. [IF=1.310].

Xing, W., H. Yang, J.A. Ippolito, Y. Zhang, K.G. Scheckel, and L. Li. 2020. Lead source and bioaccessibility in windowsill dusts within a Pb smelting-affected area. Environ. Pollut. 266:115110. [IF=6.792; cited 5 times].

Li, L., W. Xing, H. Liu, T. Banet, H. Wang, and J.A. Ippolito. 2020. Cadmium, copper, lead and zinc accumulation in wild plant species near a lead smelter. Ecotox. Environ. Safe. 198:110683. [IF=4.872; cited 6 times].

Banet, T., I. Zohar, I.M. Litaor, M. Massey, and J.A. Ippolito. 2020. Phosphorus removal from swine wastewater using aluminum-based water treatment residuals. Res. Conserv. Recycl. X. 6:100039. https://doi.org/10.1016/j.rcrx.2020.100039. [IF=8.086; cited 2 times].

Miller, H., K. Diaz^†, H. Hare, K. Borton, R. Daly, J. Blotevogel, C. Danforth, M. Wilkins, K. Wrighton, J. Ippolito, and T. Borch. 2020. Reusing oil and gas produced water for agricultural irrigation: Effects on soil health and microbiome. Sci. Tot. Environ. 722: 137888 (https://doi.org/10.1016/j.scitotenv.2020.137888) [IF=8.086; cited 8 times].

Li, L., Y. Zhang, J.A. Ippolito, W. Xing, K. Qiu, and Y. Wang. 2020. Cadmium foliar application affects wheat Cd, Cu, Pb and Zn accumulation. Environ. Pollut. 262: 114329. [IF=6.792; cited 6 times].

Brown, S., J. Ippolito, N. Basta, and L. Hundal. 2020. Municipal biosolids as a tool for sustainable communities. Current Opinion in Environmental Science and Health. 14:56-62. [IF=2.126].

Zohar, I., N.B. Rose, J.A. Ippolito, and I. Litaor. 2020. Phosphorus pools in Al and Fe-based water treatment residuals (WTRs) following mixing with agro-wastewater - a sequential extraction study. Environ. Technol. Innovation. https://doi.org/10.1016/j.eti.2020.100654. [IF=3.356; cited 1 time].

Miner, G.L.^†, J.A. Delgado, J.A. Ippolito, C.E. Stewart, D.K. Manter, S.J. Del Grosso, B.A. Floyd, and R.E. D’Adamo. 2020. Assessing manure and inorganic N fertilization impacts on soil health, crop productivity and quality in a continuous maize agroecosystem. J. Soil Water Conserv. doi:10.2489/jswc.2020.00148. [IF=2.330; cited 4 times].

Banet, T., M. Massey, I. Zohar, I. Litaor, and J.A. Ippolito. 2020. Assessing modified aluminum-based water treatment residuals as a plant-available phosphorus source. Chemosphere. 247: 125949. (https://doi.org/10.1016/j.chemosphere.2020.125949). [IF=5.788; cited 5 times].

Li, L., Y. Zhang, J.A. Ippolito, W. Xing, and Y. Cheng. 2020. Lead smelting effects heavy metal concentrations in soils, wheat, and potentially humans. Environ. Pollut. 257:113641. https://doi.org/10.1016/j.envpol.2019.113641. [IF=6.792; cited 24 times].

Lentz, R.D., J.A. Ippolito, and G.A. Lehrsch. 2019. Biochar, manure, and sawdust alter long-term water retention dynamics in degraded soil. Soil Sci. Soc. Am. J. 83:1491-1501. [IF=2.311; cited 5 times].

Cui, L., C. Yin, T. Chen. G. Quan, J.A. Ippolito, H. Gan., B. Xiao, M. Pan, B. Lui, J. Yan, C. Ding, Q. Hussain, and M. Umer. 2019. Remediation of organic halogen- contaminated wetland soil using biochar. Sci. Tot. Environ. 696:134087. [IF=6.551; cited 9 times].

Ippolito, J.A., D.L. Bjorneberg, M. Massey, and S.W. Blecker. 2019. Mechanisms responsible for soil phosphorus availability differences between sprinkler and furrow irrigation. J. Environ. Qual. 48:1-10. [IF=2.142; cited 7 times].

Sigua, G.C., J.M. Novak, D.W. Watts, J.A. Ippolito, T.F. Ducey, M.G. Johnson, and K.A. Spokas. 2019. Phytostabilization of Zn and Cd in mine soil using corn in combination with manure-based biochar and compost. Environments. 6:69 doi:10.3390/environments6060069. [IF=2.520; cited 15 times].

Novak, J., J.A. Ippolito, D.W. Watts, G.C. Sigua, T.F. Ducey, and M.G. Johnson. 2019. Biochar compost blends facilitates switchgrass growth in mine soils by reducing Cd and Zn bioavailability. Biochar. 1:97-114. [IF~7.000; cited 30 times].

An, M., H. Wang, H. Fan, J.A. Ippolito, Y. Li, K. Wang, and C. Wei. 2019. Effects of modifiers on the growth, photosynthesis, and antioxidant enzymes of cotton under cadmium toxicity. J. Plant Growth Reg. https://doi.org/10.1007/s00344-019-09924-x. [IF=2.672; cited 12 times].

Cui, L., M.R. Noerpel, K.G. Scheckel, and J.A. Ippolito. 2019. Wheat straw biochar reduces environmental cadmium bioavailability. Environ. International. 126:69-75. [IF=7.577; cited 53 times].

Cui, L., C. Yin, T. Chen, G. Quan, B. Xiao, Y. Ma, M. Pan, Y. Liu, B. Liu, J.A. Ippolito, J. Yan, X. Han, C. Ding, M. Bian, and Q. Hussain. 2019. Biochar immobilizes and degrades 2,4,6-trichlorophenol in soils. Environ. Toxic. Chem. 38:1364-1371. [IF=3.179; cited 5 times].

Litaor, M.I., S. Schechter, I. Zohar, M.S. Massey, and J.A. Ippolito. 2019. Making phosphorus fertilizer from dairy wastewater with aluminum water treatment residuals. Soil Sci. Soc. Am. J. 83:649-657. [IF=2.311; cited 7 times].

Fuertes-Mendizábal, T., X. Huérfano, I. Vega-Mas, F. Torralbo, S. Menéndez, J.A. Ippolito, C. Kammann, N. Wrage-Mönnig, M.L. Cayuela, N. Borchard, K. Spokas, J. Novak, M.B. González-Moro, C. González-Murua, and J.M. Estavillo. 2019. Biochar reduces the efficiency of nitrification inhibitor 3,4-dimethypyrazole phosphate (DMPP) mitigating N₂O emissions. Scientific Reports. Available at: https://www.nature.com/articles/s41598-019-38697-2.pdf. [IF=3.988; cited 16 times].

Tian, X., H. Fan, J. Wang, J. Ippolito, Y. Li, S. Feng, M. An, F. Zhang, and K. Wang. 2019. Effect of polymer materials on soil structure and organic carbon under drip irrigation. Geoderma. 340:94-103. [IF=4.848; cited 18 times].

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PhD students Jim Ippolito mentors at Colorado State University

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