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United States Department of Agriculture

Agricultural Research Service

JAMES A. IPPOLITO

Research Soil Scientist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Physical disintegration of biochar: An overlooked process - (Peer Reviewed Journal)
Spokas, K.A., Novak, J.M., Masiello, C.A., Johnson, M., Colosky, E., Ippolito, J.A., Trigo, C. 2014. Physical disintegration of biochar: An overlooked process. Journal of Environmental Science and Technology. 1(8):326-332.
Biochar and manure effects on net n mineralization and greenhouse gas emissions from calcareous soil under corn - (Peer Reviewed Journal) - (06-Jul-14)
Copper and zinc speciation in a biosolids-amended semi-arid grassland soil - (Peer Reviewed Journal) - (23-Apr-14)
Regression modeling weather and biosolids effects on dryland on dryland wheat yields in Eastern Colorado, 2011-2012 - (Experiment Station)
Barbarick, K., Ippolito, J.A., McDaniel, J., Hansen, N., Peterson, G. 2013. Regression modeling weather and biosolids effects on dryland on dryland wheat yields in Eastern Colorado, 2011-2012. Colorado State University Agricultural Experiment Station Technical Bulletin. TB13-3:1-20.
Soil-plant-microbial relations in hydrothermally altered soils of Northern California - (Peer Reviewed Journal) - (03-Dec-13)
Hardwood biochar influences calcareous soil physicochemical and microbiological status Reprint Icon - (Peer Reviewed Journal)
Ippolito, J.A., Stromberger, M., Lentz, R.D., Dungan, R.S. 2014. Hardwood biochar influences calcareous soil physicochemical and microbiological status. Journal of Environmental Quality. 43(2):681-689.
Soil-Plant Nutrient Interactions on Manure-Enriched Calcareous Soils Reprint Icon - (Peer Reviewed Journal)
Moore, A., Hines, S., Brown, B., Falen, C., De Haro Marti, M., Chahine, M., Norell, R., Ippolito, J.A., Parkinson, S., Satterwhite, M. 2014. Soil-plant nutrient interactions on manure-enriched calcareous soils. Agronomy Journal. 106:73-80.
Removal of vegetative clippings reduces dissolved phosphorus loss in runoff - (Peer Reviewed Journal)
Ippolito, J.A., Spackman, R., Entry, J., Sojka, R. 2014. Removal of vegetative clippings reduces dissolved phosphorus loss in runoff. Communications in Soil Science and Plant Analysis. 45(11):1555-1564.
Biochar effects on soil microbial communities and resistance of enzymes to stress - (Abstract Only) - (26-Apr-13)
Investigation of copper sorption by sugar beet processing lime waste Reprint Icon - (Peer Reviewed Journal)
Ippolito, J.A., Strawn, D.G., Scheckel, K.G. 2013. Investigation of copper sorption by sugar beet processing lime waste. Journal of Environmental Quality. 42:919-924.
Assessment of Phosphorus Retention in Irrigation Laterals Reprint Icon - (Peer Reviewed Journal)
Ippolito, J.A., Nelson, N.O. 2013. Assessment of phosphorus retention in irrigation laterals. Journal of Soil and Water Conservation. 68(6):450-459.
Recommending soil copper thresholds for potato production in Idaho - (Experiment Station)
Moore, A., Satterwhite, M., Ippolito, J.A. 2013. Recommending soil copper thresholds for potato production in Idaho. Extension Publications. WERA-103 Committee, Nutrient Digest,5(1):p.6-7.
Addition of activated switchgrass biochar to an aridic subsoil increases microbial nitrogen cycling gene abundances - (Peer Reviewed Journal)
Ducey, T.F., Ippolito, J.A., Cantrell, K.B., Novak, J.M., Lentz, R.D. 2013. Addition of activated switchgrass biochar to an aridic subsoil increases microbial nitrogen cycling gene abundances. Applied Soil Ecology. 65:65-72.
Use of standardized procedures to evaluate metal leaching from waste foundry sands - (Peer Reviewed Journal)
Miguel, R.E., Ippolito, J.A., Porta, A.A., Noriega, R.B., Dungan, R.S. 2013. Use of standardized procedures to evaluate metal leaching from waste foundry sands. Journal of Environmental Quality. 42(2):615-620.
Development and application of a soil organic matter based soil quality index in mineralized terrane of the Western US Reprint Icon - (Peer Reviewed Journal)
Blecker, S.W., Stillings, L.L., Amacher, M.C., Ippolito, J.A., Decrappeo, N.M. 2012. Development and application of a soil organic matter based soil quality index in mineralized terrane of the Western US. Environmental Earth Sciences. 68:1887-1901. DOI 10.1007/s12665-012-1876-8.
Environmental benefits of biochar - (Peer Reviewed Journal)
Ippolito, J.A., Laird, D.A., Busscher, W.J. 2012. Environmental benefits of biochar. Journal of Environmental Quality. 41(4):967-972.
Analysis of total metals in waste molding and core sands from ferrous and non-ferrous foundries - (Peer Reviewed Journal)
Miguel, R.E., Ippolito, J.A., Leytem, A.B., Porta, A.A., Banda Noriega, R.B., Dungan, R.S. 2012. Analysis of total metals in waste molding and core sands from ferrous and non-ferrous foundries. Journal of Environmental Management. 110:77-81.
Development and adoption of measures to prevent off-site nutrient transfers - (Abstract Only)
Bryant, R.B., Kleinman, P.J., Jaynes, D.B., Feyereisen, G.W., Ippolito, J.A. 2012. Development and adoption of measures to prevent off-site nutrient transfers. Soil and Water Conservation Society Proceedings. p. 22-23.
Long-term analysis of nitrogen cycling genes in biochar-amended soils using quantitative real-time PCR - (Abstract Only)
Ducey, T.F., Cantrell, K.B., Novak, J.M., Ippolito, J.A. 2012. Long-term analysis of nitrogen cycling genes in biochar-amended soils using quantitative real-time PCR. In: Proceedings of The American Society for Microbiology General Meeting, June 16-19, 2012, San Francisco, California. 2012 CDROM.
Low-Temperature Biochar Affects an Eroded Calcareous Soil - (Abstract Only) - (10-Apr-12)
Using extension phosphorus uptake research to improve Idaho's nutrient management planning program - (Peer Reviewed Journal)
Hines, S., Moore, A., Brown, B., Chahine, M., Norell, R., De Haro Marti, M.E., Falen, C., Fife, T., Parkinson, S., Ippolito, J.A. 2012. Using extension phosphorus uptake research to improve Idaho's nutrient management planning program. Journal of Extension. 50(5):Article 5RIB10. Available: http://www/joe/org/joe/2012october/rb10.php.
Development of vegetation based soil quality indices for mineralized terrane in arid and semi-arid ecosystems - (Peer Reviewed Journal)
Blecker, S., Stillings, L., Mcamacher, M., Ippolito, J.A., Decrappeo, N. 2012. Development of vegetation based soil quality indices for mineralized terrane in arid and semi-arid ecosystems. Journal of Ecological Indicators. 20:65-74.
Biochars impact on soil moisture storage in an Ultisol and two Aridisols - (Peer Reviewed Journal)
Novak, J.M., Busscher, W.J., Watts, D.W., Amonette, J., Ippolito, J.A., Lima, I.M., Gaskin, J., Das, K.C., Steiner, C., Ahmedna, M., Rehrah, D., Schomberg, H.H. 2012. Biochars impact on soil moisture storage in an Ultisol and two Aridisols. Soil Science. 177(5):310-320.
Biosolids application to no-till dryland agroecosytems - (Peer Reviewed Journal)
Barbarick, K., Ippolito, J.A., Mcdaniel, J., Hansen, N., Peterson, G. 2012. Biosolids application to no-till dryland agroecosytems. Agriculture, Ecosystems and Environment. 150(2012):72-81.
Riparian shrub metal concentrations and growth in amended fluvial mine tailings - (Peer Reviewed Journal)
Meiman, P., Davis, N., Brummer, J., Ippolito, J.A. 2012. Riparian shrub metal concentrations and growth in amended fluvial mine tailings. Water, Air, and Soil Pollution. 223(4):1815-1828.
Biochar: A synthesis of its agronomic impact beyond carbon sequestration Reprint Icon - (Peer Reviewed Journal)
Spokas, K.A., Cantrell, K.B., Novak, J.M., Archer, D.W., Ippolito, J.A., Collins, H.P., Boateng, A.A., Lima, I.M., Lamb, M.C., Mcaloon, A.J., Lentz, R.D., Nichols, K.A. 2012. Biochar: A synthesis of its agronomic impact beyond carbon sequestration. Journal of Environmental Quality. 41(4):973-989.
Biochar and manure affects calcareous soil and corn silage nutrient concentrations and uptake - (Peer Reviewed Journal)
Lentz, R.D., Ippolito, J.A. 2012. Biochar and manure affects calcareous soil and corn silage nutrient concentrations and uptake. Journal of Environmental Quality. 41(4): 1033-1043 DOI: 10.2134/jeq2011.0126.
Microscopic and molecular investigations of copper sorption by a stream activated biochar - (Peer Reviewed Journal)
Ippolito, J.A., Strawn, D.G., Scheckel, K.G., Novak, J.M., Ahmedna, M., Niandou, M.S. 2011. Microscopic and molecular investigations of copper sorption by a stream activated biochar. Journal of Environmental Quality. 35(6):2333-2341 doi:10.2134/jeq2006.0075.
Switchgrass biochar effects two aridisols - (Peer Reviewed Journal)
Ippolito, J.A., Novak, J.M., Busscher, W.J., Ahmedna, M., Rehrah, D., Watts, D.W. 2012. Switchgrass biochar effects two aridisols. Journal of Environmental Quality. 41(4): 1123-1130.
Clinoptilolite zeolite influence on nitrogen in a manure-amended sandy agricultural soil - (Peer Reviewed Journal)
Tarkalson, D.D., Ippolito, J.A. 2011. Clinoptilolite zeolite influence on nitrogen in a manure-amended sandy agricultural soil. Communications in Soil Science and Plant Analysis. 42(19):2370-2378. DOI: 10.1080/00103624.2011.605495.
Biochar Usage: Pros and Cons - (Proceedings)
Ippolito, J.A., Lentz, R.D., Novak, J.M., Spokas, K.A., Collins, H.P., Streubel, J. 2011. Biochar Usage: Pros and Cons. Western Nutrient Management Conference Proceedings. 9:93-98.
Zeolite Soil Application Method Affects Inorganic Nitrogen, Moisture, and Corn Growth - (Peer Reviewed Journal)
Ippolito, J.A., Tarkalson, D.D., Lehrsch, G.A. 2011. Zeolite Soil Application Method Affects Inorganic Nitrogen, Moisture, and Corn Growth. Soil Science. 176(3):136-142.
Learning Gains and Response to Digital Lessons on Soil Genesis and Development - (Peer Reviewed Journal)
Mamo, M., Ippolito, J.A., Kettler, T., Mccallister, D., Morner, P., Husmann, D., Blankenship, E. 2011. Reinforcing concepts of soil genesis and development through principles and applications e-lessons. Journal of Geoscience Education. 59(4):194-204.
Interactive Effects of Copper on Alfalfa Growth, Soil Copper, and Soil Bacteria - (Peer Reviewed Journal)
Ippolito, J.A., Ducey, T.F., Tarkalson, D.D. 2011. Interactive Effects of Copper on Alfalfa Growth, Soil Copper, and Soil Bacteria. World Journal of Agricultural Sciences. 3(2):138-148.
Drinking water treatment residuals: A Review of recent uses - (Peer Reviewed Journal)
Ippolito, J.A., Barbarick, K.A., Elliott, H.A. 2011. Drinking water treatment residuals: A Review of recent uses. Journal of Environmental Quality. 40(1):1-12(2011).
Copper Impacts on Corn, Soil Extractability, and the Soil Bacterial Community - (Peer Reviewed Journal)
Ippolito, J.A., Ducey, T.F., Tarkalson, D.D. 2010. Copper Impacts on Corn, Soil Extractability, and the Soil Bacterial Community. Soil Science. Vol. 175(12)586-892. http://journals.lww.com/soilsci/pages/currenttoc.aspx
Fifteen years of wheat yield, N uptake, and soil nitrate-N dynamics in a biosolids-amended agroecosystem - (Peer Reviewed Journal)
Barbarick, K.A., Ippolito, J.A., Mcdaniel, J. 2010. Fifteen years of wheat yield, N uptake, and soil nitrate-N dynamics in a biosolids-amended agroecosystem. Agriculture, Ecosystems and Environment. 10.1016/j.agee.2010.07.007.
Clinoptilolite Zeolite Influence on Inorganic Nitrogen in Silt Loam and Sandy Agricultural Soils - (Peer Reviewed Journal)
Tarkalson, D.D., Ippolito, J.A. 2010. Clinoptilolite Zeolite Influence on Inorganic Nitrogen in Silt Loam and Sandy Agricultural Soils. Soil Science. 175(7):357-362.
Copper Sequestration Using Local Waste Products - (Popular Publication)
Ippolito, J.A. 2010. Copper Sequestration Using Local Waste Products. Nutrient Management Newsletter for Idaho, University of Idaho Extension. 2(3):2.
Phosphorus Removal By Silage Corn In Southern Idaho - (Popular Publication)
Moore, A., Hines, S., Brown, B., De Haro Marti, M., Falen, C., Chahine, M., Fife, T., Norell, R., Ippolito, J.A. 2010. Phosphorus Removal By Silage Corn In Southern Idaho. Nutrient Management Newsletter for Idaho, University of Idaho Extension. 2(3):1,4.
Clinoptilolite zeolite influence on inorganic nitrogen in silt loam and sandy agricultural soils - (Proceedings)
Tarkalson, D.D., Ippolito, J.A. 2010. Clinoptilolite Zeolite Influence on Inorganic Nitrogen in Silt Loam and Sandy Agricultural Soils. Proceedings of the Idaho Nutrient Management Conference. Available: http://www.ars.usda.gov/research/publications/publications.htm?SEQ_NO_115=245568
Copper sequestration using local waste products - (Proceedings)
Ippolito, J.A. 2010. Copper sequestration using local waste products. Proceedings of the Idaho Nutrient Management Conference, March 9, 2010, Shoshone, Idaho. p. 33-34.
Phosphorus Biogeochemistry Across a Precipitation Gradient in Grasslands of Central North America - (Peer Reviewed Journal)
Ippolito, J.A., Blecker, S.W., Freeman, C.L., Mcculley, R.L., Blair, J.M., Kelly, E.F. 2010. Phosphorus Biogeochemistry Across a Precipitation Gradient in Grasslands of Central North America. Journal of Arid Environments. 74:954-961.
Infrequent Composted Biosolids Applications Affect Semi-arid Grassland Soils and Vegetation - (Peer Reviewed Journal)
Ippolito, J.A., Barbarick, K.A., Paschke, M.W., Brobst, R.B. 2010. Infrequent Composted Biosolids Applications Affect Semi-arid Grassland Soils and Vegetation. Journal of Environmental Management. 91:1123-1130.
Biochar: A soil amendment worth considering - (Popular Publication)
Ippolito, J.A., Lentz, R.D., Novak, J.M. 2009. Biochar: A soil amendment worth considering. University of Idaho Miscellaneous Publication. 2(2):1-2.
Online Soil Science Lesson 3: Soil Forming Factors - (Peer Reviewed Journal)
Ippolito, J.A., Mamo, M., Kettler, T., Reuter, R., Mccallister, D., Zanner, W., Geiss, C., Morner, P., Soester, J. 2009. Online Soil Science Lesson 3: Soil Forming Factors. Journal of Natural Resources and Life Sciences Education. 38:239.
Soil Genesis and Development, Lesson 2 - Processes of Weathering - (Peer Reviewed Journal)
Mamo, M., Kettler, T., Ippolito, J.A., Reuter, R., Mccallister, D., Zanner, W., Geiss, C., Morner, P., Soester, J. 2009. Soil Genesis and Development, Lesson 2 - Processes of Weathering. Journal of Natural Resources and Life Sciences Education. 38:238.
Soil Genesis and Development, Lesson 4 - Soil Profile Development - (Peer Reviewed Journal)
Reuter, R., Mamo, M., Kettler, T., Ippolito, J.A., Mccallister, D., Zanner, W., Geiss, C., Morner, P., Soester, J. 2009. Soil Genesis and Development, Lesson 4 - Soil Profile Development. Journal of Natural Resources and Life Sciences Education. 38:239.
Soil Genesis and Development, Lesson 5 - Soil Geography and Classification - (Peer Reviewed Journal)
Zanner, W., Kettler, T., Mamo, M., Ippolito, J.A., Reuter, R., Mccallister, D., Geiss, C., Morner, P., Soester, J. 2009. Soil Genesis and Development, Lesson 5 - Soil Geography and Classification. Journal of Natural Resources and Life Sciences Education. 38:240.
Soil Genesis and Development, Lesson 1 - Rocks and Minerals - (Peer Reviewed Journal)
Geiss, C., Mamo, M., Kettler, T., Ippolito, J.A., Reuter, R., Mccallister, D., Zanner, W., Morner, P., Soester, J. 2009. Soil Genesis and Development, Lesson 1 - Rocks and Minerals. Journal of Natural Resources and Life Sciences Education. 38:238.
Macroscopic and microscopic variation in recovered magnesium phosphate materials: Implications for phosphorus removal processes and product re-use - (Peer Reviewed Journal)
Massey, M.S., Ippolito, J.A., Davis, J.G., Sheffield, R.E. 2009. Macroscopic and Microscopic Variation in Recovered Magnesium Phosphate Materials: Implications for Phosphorus Removal Processes and Product Re-use. Bioresource Technology. 101:877-885.
Clinoptilolite zeolite influence on inorganic nitrogen in silt loam and sandy agricultural soils - (Experiment Station)
Tarkalson, D.D., Ippolito, J.A. 2009. Clinoptilolite zeolite influence on inorganic nitrogen in silt loam and sandy agricultural soils. Nutrient Management Newsletter for Idaho, Nutrient Digest, University of Idaho.
Selenium adsorption to aluminum-based water treatment residuals - (Peer Reviewed Journal)
Ippolito, J.A., Scheckel, K.G., Barbarick, K.A. 2009. Selenium Adsorption to Aluminum-based Water Treatment Residuals. Journal of Colloid and Interface Science. 338:48-55.
Copper Sulfate Foot Baths on Dairies and Crop Toxicities - (Other)
Moore, A., Ippolito, J.A. 2009. Copper Sulfate Foot Baths on Dairies and Crop Toxicities. University of Idaho Extension. Available: www.extension.org/animal+manure+management.
Water Treatment Residuals and Biosolids Long-Term Co-application Effects to Semi-arid Grassland Soils and Vegetation - (Peer Reviewed Journal)
Ippolito, J.A., Barbarick, K.A., Stromberger, M.E., Paschke, M.W., Brobst, R.B. 2009. Water Treatment Residuals and Biosolids Long-Term Co-application Effects to Semi-arid Grassland Soils and Vegetation. Soil Science Society of America Journal. 73(6):1880-1889.
Dairy manure field applications – How much is too much? - (Experiment Station)
Moore, A., Ippolito, J.A. 2009. Dairy manure field applications – How much is too much? University of Idaho Cooperative Extension Bulletin. CIS 1156:1-5.
Fate of biosolids Cu and Zn in a semi-arid grassland - (Peer Reviewed Journal)
Ippolito, J.A., Barbarick, K.A., Brobst, R.B. 2009. Fate of biosolids Cu and Zn in a semi-arid grassland. Agriculture, Ecosystems and Environment. 131:325-332.
Copper Sulfate Foot Baths on Dairies and Crop Toxicities – What are the Risks? - (Trade Journal)
Moore, A., Ippolito, J.A. 2009. Copper Sulfate Foot Baths on Dairies and Crop Toxicities – What are the Risks?. Nutrient Management Newsletter for Idaho, University of Idaho Extension. 1(2):1,5.
Copper sulfate foot baths on dairies and crop toxicities – What are the risks? - (Popular Publication)
Moore, A., Ippolito, J.A. 2008. Copper sulfate foot baths on dairies and crop toxicities – What are the risks?. Nutrient Digest, Nutrient Management Newsletter for Idaho, University of Idaho Extension. 1(2):1,5.
The effectiveness of recovered magnesium phosphates as fertilizers in acidic and slightly alkaline soil conditions - (Peer Reviewed Journal)
Massey, M., Davis, J., Ippolito, J.A., Sheffield, R. 2009. The effectiveness of recovered magnesium phosphates as fertilizers in acidic and slightly alkaline soil conditions. Agronomy Journal. 101(2):323-329.
Continuous biosolids application affects grain elemental concentrations in a dryland-wheat agroecosystem - (Peer Reviewed Journal)
Barbarick, K.A., Ippolito, J.A. 2009. Continuous biosolids application affects grain elemental concentrations in a dryland-wheat agroecosystem. Agriculture, Ecosystems and Environment. 129:340-343.
Application of anaerobically digested biosolids to dryland winter wheat: 2006-2007 results - (Experiment Station)
Barbarick, K.A., Ippolito, J.A., Gourd, T., Mcdaniel, J.P. 2008. Application of anaerobically digested biosolids to dryland winter wheat: 2006-2007 results. Colorado State University Technical Report TR08-09. p. 1-14.
Biosolids application to no-till dryland crop rotations - (Experiment Station)
Barbarick, K.A., Ippolito, J.A., Hansen, N.C., Mcdaniel, J.P. 2008. Biosolids application to no-till dryland crop rotations. Colorado State University Technical Report TR08-07. p. 1-17.
Biosolids use for reclaiming fluvial mine tailings - (Proceedings)
Freeman, C.L., Ippolito, J.A., Stromberger, M.E., Barbarick, K.A., Redente, E.F. 2008. Biosolids Use for Reclaiming Fluvial Mine Tailings. High Altitude Revegetation Conference Proceedings, March 5-6, 2008, Fort Collins, Colorado. p. 417-437.
Revegetation of Fluvial Mine Tailing Deposits: The Use of Five Riparian Shrub Species - (Proceedings)
Davis, N., Meiman, P., Brummer, J., Ippolito, J.A. 2008. Revegetation of Fluvial Mine Tailing Deposits: The Use of Five Riparian Shrub Species. High Altitude Revegetation Conference Proceedings, March 5-6, 2008, Fort Collins, Colorado. p. 135-154.
Organic Waste Nitrogen and Phosphorus Dynamics Under Dryland Agroecosystems - (Proceedings)
Ippolito, J.A., Barbarick, K. 2008. Organic waste nitrogen and phosphorus dynamics under dryland agroecosystems. Proceedings of the Idaho Nutrient Management Conference. p. 13-18.
Fate of biosolids trace metals in a dryland wheat agroecosystem - (Peer Reviewed Journal)
Ippolito, J.A., Barbarick, K.A. 2008. Fate of biosolids trace metals in a dryland wheat agroecosystem. Journal of Environmental Quality. 37:2135-2144.
Water treatment residuals and biosolids co-applications affect phosphatases in a semi-arid rangeland soil - (Peer Reviewed Journal)
Bayley, R.M., Ippolito, J.A., Stromberger, M.E., Barbarick, K.A., Paschke, M.W. 2008. Water treatment residuals and biosolids co-applications affect phosphatases in a semi-arid rangeland soil. Communications in Soil Science and Plant Analysis. 39:2812-2826.
Predicting soil-extractable ZN, P, FE, and CU in a biosolids-amended dryland wheat agroecosystems - (Peer Reviewed Journal)
Barbarick, K.A., Ippolito, J.A. 2008. Predicting soil-extractable ZN, P, FE, and CU in a biosolids-amended dryland wheat agroecosystems. Soil Science. 173:175-185.
Water treatment residuals and biosolids coapplications affect semiarid rangeland phosphorus cycling - (Peer Reviewed Journal)
Bayley, R.M., Ippolito, J.A., Stromberger, M.E., Barbarick, K.A., Paschke, M.W. 2008. Water treatment residuals and biosolids coapplications affect semiarid rangeland phosphorus cycling. Soil Science Society of America Journal. 72(3):711-719.
Water treatment residuals and biosolids co-applications affect semi-arid rangeland phosphorus cycling - (Peer Reviewed Journal)
Bayley, R.M., Ippolito, J.A., Stromberger, M.E., Barbarick, K.A., Paschke, M.W. 2008. Water treatment residuals and biosolids co-applications affect semi-arid rangeland phosphorus cycling. Soil Science Society of America Journal. 72(3):711-719.
Last Modified: 12/4/2012
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