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Catherine Elizabeth Stewart
Soil Management and Sugarbeet Research
Research Soil Scientist

Phone: (970) 492-7270
Fax:
Room S-100

2150 CENTRE AVENUE
SUITE 100
FORT COLLINS, CO 80526
Projects
Management Practices for Long Term Productivity of Great Plains Agriculture
In-House Appropriated (D)
  Accession Number: 432311
Increase Long-term Productivity and Economic Returns of Great Plains Agriculture
Non-Assistance Cooperative Agreement (S)
  Accession Number: 433170
USDA Agriculture and Forestry Greenhouse Gas Inventory and the Agricultural Collaborative Research Outcomes System (AgCROS)
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436740
Development of Long-term Best Management Practices to Adapt to a Changing Climate
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436760
Quantifying the Mechanisms of Soil C Sequestration and Loss in Agroecosystems
Non-Assistance Cooperative Agreement (S)
  Accession Number: 431324

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Stable C isotope data of southern mixed-grass prairie vegetation from Oklahoma, United States Reprint Icon - (Peer Reviewed Journal)
Follett, R.F., Stewart, C.E., Bradford, J.A., Pruessner, E.G., Sims, P.L., Vigil, M.F. 2020. Stable C isotope data of southern mixed-grass prairie vegetation from Oklahoma, United States. Data in Brief. 32. https://doi.org/10.1016/j.dib.2020.106204.
Long-term pasture management impacts on eolian sand soils in the southern mixed-grass prairie Reprint Icon - (Peer Reviewed Journal)
Follett, R.F., Stewart, C.E., Bradford, J.A., Pruessner, E.G., Sims, P.L., Vigil, M.F. 2020. Long-term pasture management impacts on eolian sand soils in the southern mixed-grass prairie. International Union for Quaternary Research. https://doi.org//10.1016/j.quaint.2020.07.019.
Soil health management practices and crop productivity Reprint Icon - (Peer Reviewed Journal)
Miner, G., Delgado, J.A., Ippolito, J., Stewart, C.E. 2020. Soil health management practices and crop productivity. Agricultural and Environmental Letters. https://doi.org/10.1002/ael2.20023.
A life cycle analysis (LCA) primer for the agricultural community Reprint Icon ()
Sieverding, H., Kebreab, E., Johnson, J.M., Xu, H., Wang, M., Del Grosso, S.J., Bruggeman, S., Stewart, C.E., Westhoff, S., Ristau, J., Kumar, S., Stone, J. 2020. A life cycle analysis (LCA) primer for the agricultural community. Agronomy Journal. https://doi.org/10.1002/agj2.20279.
Nitrogen fertilization and long-term no tillage impacts on soil properties and deep soil c storage under irrigation - (Proceedings)
Stewart, C.E., Manter, D.K., Delgado, J.A., Del Grosso, S.J., Calderon, F.J., Heckman, K., Snell, K. 2020. Nitrogen fertilization and long-term no tillage impacts on soil properties and deep soil c storage under irrigation. Proceedings Great Plains Soil Fertility Conference.
Nitrogen fertilizer source impacts soil profile C pools more than tillage under rainfed corn - (Proceedings)
Watts, S.M., Stewart, C.E., Rice, C.W. 2020. Nitrogen fertilizer source impacts soil profile C pools more than tillage under rainfed corn. Proceedings of Great Plains Soil Fertility Conference.
Effects of residue placement on Co2 loss in an irrigated, no-till corn system - (Proceedings)
Oleszak, H., Cotrufo, M., Stewart, C.E. 2020. Effects of residue placement on Co2 loss in an irrigated, no-till corn system. Proceedings of Great Plains Soil Fertility Conference.
Assessment of long-term effects of tillage and nitrogen management practices on irrigated corn yields and nitrogen use efficiencies - (Proceedings)
Delgado, J.A., Halvorson, A.D., Villacis-Aveiga, A., Del Grosso, S.J., Stewart, C.E., Manter, D.K., Alwang, J., Floyd, B.A., D'Adamo, R.E., Miner, G. 2020. Assessment of long-term effects of tillage and nitrogen management practices on irrigated corn yields and nitrogen use efficiencies. In: Schlegel, A.J., editors. Proceedings of Great Plains Soil Fertility Conference, March 10-11, 2020, Denver, Colorado. p. 14-18.
Observational and modeling methods to inform ecosystem service markets - (Proceedings)
Del Grosso, S.J., Stewart, C.E., Delgado, J.A., Manter, D.K., Vigil, M.F. 2020. Observational and modeling methods to inform ecosystem service markets. Proceedings Great Plains Soil Fertility Conference. 18:1-265.
Assessing manure and inorganic nitrogen fertilization impacts on soil health, crop productivity, and crop quality in a continuous maize agroecosystem Reprint Icon - (Peer Reviewed Journal)
Miner, G.L., Delgado, J.A., Ippolito, J.A., Stewart, C.E., Manter, D.K., Del Grosso, S.J., Floyd, B.A., D Adamo, R.E. 2020. Assessing manure and inorganic nitrogen fertilization impacts on soil health, crop productivity, and crop quality in a continuous maize agroecosystem. Journal of Soil and Water Conservation. 75(4):481-498. https://doi.org/10.2489/jswc.2020.00148.
Management controls the net greenhouse gas outcomes of growing bioenergy feedstocks on marginally productive croplands Reprint Icon - (Peer Reviewed Journal)
Jin, V.L., Schmer, M.R., Stewart, C.E., Mitchell, R., Williams, C.O., Wienhold, B.J., Varvel, G.E., Follett, R.F., Vogel, K.P., Kimble, J. 2019. Management controls the net greenhouse gas outcomes of growing bioenergy feedstocks on marginally productive croplands. Science Advances. 5(12):1-6. https://doi.org/10.1126/sciadv.aav9318.
Variation of plant communities affect the aggregate protection of lignin in five successional stages of mixed broadleaf-Korean pine forests Reprint Icon - (Peer Reviewed Journal)
Feng, Y., Han, S., Chen, W., Gu, Y., Stewart, C.E., Zhang, J., Geng, S., Chen, Z., Setala, H. 2019. Variation of plant communities affect the aggregate protection of lignin in five successional stages of mixed broadleaf-Korean pine forests. Soil Science Society of America Journal. https://doi.org//10.1002/saj2.20032.
Do fulvic, humic and humin c fractions represent meaningful biological, physical and chemical carbon pools? Reprint Icon - (Peer Reviewed Journal)
Sherrod, L.A., Vigil, M.F., Stewart, C.E. 2019. Do fulvic, humic and humin c fractions represent meaningful biological, physical and chemical carbon pools? Journal of Environmental Quality. https://doi.org/10.2134/jeq2019.03.0104.
A global meta-analysis of soil organic carbon response to corn stover removal Reprint Icon - (Peer Reviewed Journal)
Xu, H., Sieverding, H., Kwon, H., Clay, D., Stewart, C.E., Johnson, J.M., Qin, Z., Karlen, D.L., Wang, M. 2019. A global meta-analysis of soil organic carbon response to corn stover removal. Global Change Biology Bioenergy. 00:1-19. https://doi.org/10.1111/gcbb.12631.
Manure versus Inorganic N Fertilization: An Assessment of Amendment Impacts on Soil Health and Crop Quality - (Abstract Only)
Miner, G., Delgado, J.A., Ippolito, J.A., Stewart, C.E., Manter, D.K., Del Grosso, S.J., Floyd, B.A., D Adamo, R.E. 2019. Manure versus Inorganic N Fertilization: An Assessment of Amendment Impacts on Soil Health and Crop Quality. Soil and Water Conservation Society Proceedings.
Assessment of long-term effects of different nitrogen and tillage management practices on irrigated corn yields and nitrogen uptake - (Abstract Only)
Delgado, J.A., Halvorson, A.D., Villacis-Aveiga, A., Del Grosso, S.J., Stewart, C.E., Manter, D.K., Alwang, J., Floyd, B.A., D Adamo, R.E., Miner, G. 2019. Assessment of long-term effects of different nitrogen and tillage management practices on irrigated corn yields and nitrogen uptake. Soil and Water Conservation Society Proceedings.
Deficit irrigation reduces absolute, but not yield-scaled greenhouse gas emissions - (Abstract Only)
Flynn, N.E., Stewart, C.E., Comas, L.H., Fonte, S. 2019. Deficit irrigation reduces absolute, but not yield-scaled greenhouse gas emissions. Soil Ecology Society Conference. 2019 May 29-31;Toledo, OH.
Universality of priming effect: an analysis using thirty five soils with contrasted properties sampled from five continents Reprint Icon - (Peer Reviewed Journal)
Perveen, N., Barot, S., Maire, V., Cotrufo, F., Shahzad, T., Blagodatskaya, E., Stewart, C.E., Ding, W., Siddiq, M., Dimassi, B., Mary, B., Fontaine, S. 2019. Universality of priming effect: an analysis using thirty five soils with contrasted properties sampled from five continents. Soil biology and biochemistry. 134:162-171. https://doi.org/10.1016/j.soilbio.2019.03.027.
Does no-tillage mitigate stover removal in irrigated continuous corn? A multi-location assessment Reprint Icon - (Peer Reviewed Journal)
Stewart, C.E., Roosendaal, D.L., Sindelar, A.J., Jin, V.L., Schmer, M.R. 2019. Does no-tillage mitigate stover removal in irrigated continuous corn? A multi-location assessment. Soil Science Society of America Journal. 83(3):733-742. https://doi.org/10.2136/sssaj2018.09.0352.
Long-term nitrogen fertilization rates affect crop micronutrient concentrations but not soil micronutrient availability Reprint Icon - (Peer Reviewed Journal)
Miner, G.L., Delgado, J.A., Ippolito, J.A., Barbarick, K.A., Stewart, C.E., Manter, D.K., Del Grosso, S.J., Halvorson, A.D., Floyd, B.A., D Adamo, R.E. 2018. Long-term nitrogen fertilization rates affect crop micronutrient concentrations but not soil micronutrient availability. Field Crops Research. 228:170-182. https://doi.org/10.1016/j.fcr.2018.08.017.
Long-Term nitrogen fertilization rates affect crop micronutrient concentrations but not soil micronutrient availability - (Abstract Only)
Potential to use nitrogen management practices to increase yields and nitrogen use efficiencies in the Northern Plains - (Proceedings)
Interactions of stover and nitrogen management on soil microbial community and labile carbon under irrigated no-till corn - (Peer Reviewed Journal)
Stewart, C.E., Roosendaal, D.L., Manter, D.K., Delgado, J.A., Del Grosso, S.J. 2018. Interactions of stover and nitrogen management on soil microbial community and labile carbon under irrigated no-till corn. Soil Science Society of America Journal. doi:10.2136/sssaj2017.07.0229.
Effects of biochar addition on evaporation in the five typical Loess Plateau soils - (Peer Reviewed Journal)
Wanga, T., Stewart, C.E., Suna, C., Wanga, Y., Zhenga, J. 2017. Effects of biochar addition on evaporation in the five typical Loess Plateau soils. Journal of Arid Land. https://doi.org/10.1016/j.catena.2017.11.013.
Applicability of five models to simulate water infiltration into soil with added biochar Reprint Icon - (Peer Reviewed Journal)
Wang, T., Stewart, C.E., Ma, J., Zheng, J., Zhang, X. 2017. Applicability of five models to simulate water infiltration into soil with added biochar. Journal of Arid Land. doi:10.1007/s40333-017-0025-3.
Seasonal switchgrass ecotype contributions to soil organic carbon, deep soil microbial community composition and rhizodeposit uptake during an extreme drought - (Peer Reviewed Journal)
Stewart, C.E., Roosendaal, D.L., Denef, K., Comas, L.H., Sarath, G., Jin, V.L., Schmer, M.R., Soundararajan, M. 2017. Seasonal switchgrass ecotype contributions to soil organic carbon, deep soil microbial community composition and rhizodeposit uptake during an extreme drought. Soil Ecology Society Conference. 112:191-203. doi:10.1016/j.soilbio.2017.04.021.
Long-term N fertilization and conservation tillage practices conserve surface but not profile SOC stocks under semi-arid irrigated corn - (Peer Reviewed Journal)
Stewart, C.E., Halvorson, A.D., Delgado, J.A. 2017. Long-term N fertilization and conservation tillage practices conserve surface but not profile SOC stocks under semi-arid irrigated corn. Soil & Tillage Research. 171:9–18. doi:10.1016/j.still.2017.04.003.
Seasonal switchgrass ecotype contributions to soil organic carbon, deep soil microbial community composition and rhizodeposit uptake during an extreme drought - (Peer Reviewed Journal)
Stewart, C.E., Roosendaal, D.L., Denef, K., Pruessner, E.G., Comas, L.H., Sarath, G., Jin, V.L., Schmer, M.R., Soundararajan, M. 2017. Seasonal switchgrass ecotype contributions to soil organic carbon, deep soil microbial community composition and rhizodeposit uptake during an extreme drought. Soil Biology and Biochemistry. 112:191-203. doi:10.1016/j.soilbio.2017.04.021.
Empirical evidence of soil carbon changes in bioenergy cropping systems ()
Schmer, M.R., Stewart, C.E., Jin, V.L. 2017. Empirical evidence of soil carbon changes in bioenergy cropping systems. In: Qin, Z., Mishra, U., and Hastings, A., editors. Bioenergy and Land Use Change. First Edition. Hoboken, NJ: John Wiley & Sons, Inc. p.99-114
Long-term no-till and stover retention each decrease the global warming potential of irrigated continuous corn Reprint Icon - (Peer Reviewed Journal)
Jin, V.L., Schmer, M.R., Stewart, C.E., Sindelar, A.J., Varvel, G.E., Wienhold, B.J. 2017. Long-term no-till and stover retention each decrease the global warming potential of irrigated continuous corn. Global Change Biology. 23:2848-2862.
Effects of Long-Term Nitrogen Management on Nitrogen Budgets of Irrigated No-till Corn - (Abstract Only)
Delgado, J.A., Halvorson, A.D., Stewart, C.E., Del Grosso, S.J., Manter, D.K., D Adamo, R.E., Floyd, B.A. 2016. Effects of Long-Term Nitrogen Management on Nitrogen Budgets of Irrigated No-till Corn. American Society of Agronomy Abstracts. ASA Abstracts CDROM, Madison WI, USA.
Row-crop production practices effects on greenhouse gas emissions ()
Johnson, J.M., Jin, V.L., Colnenne-David, C., Stewart, C.E., Pozzi Jantalia, C., Xiong, Z. 2017. Row-crop production practices effects on greenhouse gas emissions. In: Al-Kaisi, M., Lowery, B., editors. Soil Health and Intensification of Agroecosystems. San Diego, CA: Academic Press. p. 257-276.
Switchgrass ecotypes alter microbial contribution to deep-soil C - (Peer Reviewed Journal)
Roosendaal, D.L., Stewart, C.E., Denef, K., Follett, R., Pruessner, E.G., Comas, L.H., Varvel, G.E., Saathoff, A., Palmer, N.A., Sarath, G., Jin, V.L., Schmer, M.R., Madhavan, S. 2016. Switchgrass ecotypes alter microbial contribution to deep-soil C. Soil. SOIL 2, 185–197. doi:10.5194/soil-2-185-2016.
Nitrous oxide and methane fluxes from cattle excrement on C3 pasture and C4-dominated shortgrass steppe - (Peer Reviewed Journal)
Nichols, K.L., Del Grosso, S.J., Derner, J.D., Follett, R., Archibeque, S., Stewart, C.E., Paustian, K. 2016. Nitrous oxide and methane fluxes from cattle excrement on C3 pasture and C4-dominated shortgrass steppe. Agriculture Ecosystems and the Environment. Vol 225: 104–115. doi:10.1016/j.agee.2016.03.026.
Impacts of deficit irrigation and altered rooting patterns on soil structure and associated soil properties - (Abstract Only)
Manure and inorganic N affect trace gas emissions under semi-arid irrigated corn - (Peer Reviewed Journal)
Halvorson, A., Del Grosso, S.J., Stewart, C.E. 2016. Manure and inorganic N affect trace gas emissions under semi-arid irrigated corn. Journal of Environmental Quality. 45: 906–914, doi:10.2134/jeq2015.08.0426.
N fertilizer and harvest impacts on bioenergy crop contributions to SOC - (Peer Reviewed Journal)
Stewart, C.E., Follett, R.F., Pruessner, E.G., Varvel, G.E., Vogel, K.P., Mitchell, R.B. 2016. N fertilizer and harvest impacts on bioenergy crop contributions to SOC. GCB Bioenergy. doi:10.1111/gcbb.12326.
Manure and inorganic N affect irrigated corn yields and soil properties - (Peer Reviewed Journal)
Halvorson, A., Stewart, C.E., Del Grosso, S.J. 2016. Manure and inorganic N affect irrigated corn yields and soil properties. Agronomy Journal. 108:519-531. doi:10.2134/agronj2015.0402.
GIBBs: A new soil biology index to quantify beneficial bacteria in the soil - (Abstract Only)
Controls and dynamics of biochar decay and soil microbial abundance, carbon use efficiency during long-term biochar-amended soil incubations Reprint Icon - (Peer Reviewed Journal)
Jiang, X., Denef, K., Stewart, C.E., Cotrufo, M. 2015. Controls and dynamics of biochar decay and soil microbial abundance, carbon use efficiency during long-term biochar-amended soil incubations. Biology and Fertility of Soils. 52:1–14. doi:10.1007/s00374-015-1047-7.
Twelve years of stover removal increases soil erosion potential without impacting yield - (Peer Reviewed Journal)
Jin, V.L., Schmer, M.R., Wienhold, B.J., Stewart, C.E., Varvel, G.E., Sindelar, A.J., Follett, R.F., Mitchell, R., Vogel, K.P. 2015. Twelve years of stover removal increases soil erosion potential without impacting yield. Soil Science Society of America Journal. DOI: 10.2136/SSSAJ2015.02.0053.
Stover removal affects no-till irrigated corn yields, soil C and N Reprint Icon - (Peer Reviewed Journal)
Halvorson, A.D., Stewart, C.E. 2015. Stover removal affects no-till irrigated corn yields, soil C and N. Agronomy Journal. 107:1504–1512.
Lignin biochemistry and soil N determine crop residue decomposition and soil priming Reprint Icon - (Peer Reviewed Journal)
Stewart, C.E., Moturi, P., Follett, R.F., Halvorson, A.D. 2015. Lignin biochemistry and soil N determine crop residue decomposition and soil priming. Biogeochemistry. 123:335-351. DOI:10.1007.s10533-015-0101.8..
Biochar: Is it a sustainable solution to dry land agriculture, forest soil reclamation and greenhouse gas mitigation? - (Abstract Only)
Great Plains climate and land-use effects on soil organic carbon Reprint Icon - (Peer Reviewed Journal)
Follett, R.F., Stewart, C.E., Pruessner, E.G., Kimble, J. 2015. Great Plains climate and land-use effects on soil organic carbon. Soil Science Society of America Journal. 79:261-271.
Switchgrass cultivars alter microbial contribution to deep soil C - (Abstract Only)
Nitrogen and harvest effects on soil properties under rain-fed switchgrass and no-till corn over 9 years: implications for soil quality - (Proceedings)
Stewart, C.E., Follett, R.F., Pruessner, E.G., Varvel, G.E., Vogel, K.P., Mitchell, R. 2014. Nitrogen and harvest effects on soil properties under rain-fed switchgrass and no-till corn over 9 years: implications for soil quality. Proceedings Great Plains Soil Fertility Conference. 1-4.
Nitrogen and harvest effects on soil properties under rain-fed switchgrass and no-till corn over 9 years: Implications for soil quality Reprint Icon - (Peer Reviewed Journal)
Stewart, C.E., Follett, R.F., Pruessner, E.G., Varvel, G.E., Vogel, K.P., Mitchell, R. 2015. Nitrogen and harvest treatment effects on soil properties under non-irrigated switchgrass and maize after 9 years: implications for soil quality . Global Change Biology Bioenergy. 7,288-301. DOI:10.1111/gcbb.12142.
Nitrogen and harvest effects on soil properties under rain-fed switchgrass and no-till corn over 9 years: implications for soil quality - (Peer Reviewed Journal)
Biochar addition rate controls soil microbial abundance and activity in temperate soils Reprint Icon - (Peer Reviewed Journal)
Gomez, J., Denef, K., Stewart, C.E., Zheng, J., Cotrufo, M. 2014. Biochar addition rate controls soil microbial abundance and activity in temperate soils. European Journal of Soil Science. 65:28-39.
Switchgrass cultivars alter microbial contribution to deep soil C in Nebraska - (Abstract Only)
Design and operation of a continuous 13C and 15N labeling chamber for uniform or differential, metabolic and structural, plant tissue isotope labeling Reprint Icon - (Peer Reviewed Journal)
Soong, J., Reuss, D., Pinney, C., Boyack, T., Haddix, M., Stewart, C.E., Cotrufo, M. 2014. Design and operation of a continuous 13C and 15N labeling chamber for uniform or differential, metabolic and structural, plant tissue isotope labeling. Journal of Visualized Experiments. doi:10.3791/51117.
Co-generated fast pyrolysis biochar mitigates green-house gas emissions and increases carbon sequestration in temperate soils Reprint Icon - (Peer Reviewed Journal)
Stewart, C.E., Zheng, J., Botte, J., Cotrufo, M. 2013. Co-generated fast pyrolysis biochar mitigates green-house gas emissions and increases carbon sequestration in temperate soils. Global Change Biology Bioenergy. 5:153-164.
Challenges and opportunities for mitigating nitrous oxide emissions from fertilized cropping systems Reprint Icon - (Peer Reviewed Journal)
Venterea, R.T., Halvorson, A.D., Kitchen, N.R., Liebig, M.A., Cavigelli, M.A., Del Grosso, S.J., Motavalli, P.P., Nelson, K.A., Spokas, K.A., Singh, B.P., Stewart, C.E., Ranaivoson, A., Strock, J., Collins, H.P. 2012. Challenges and opportunities for mitigating nitrous oxide emissions from fertilized cropping systems. Frontiers in Ecology and the Environment. 10(10)562-570.
Biochar and N fertilizer alters soil N dynamics and greenhouse gas fluxes from two temperate soils Reprint Icon - (Peer Reviewed Journal)
Zheng, J., Stewart, C.E., Cotrufo, M. 2012. Biochar and N fertilizer alters soil N dynamics and greenhouse gas fluxes from two temperate soils. Journal of Environmental Quality. 41:1361-1370.
Effects of Climate Change on soil carbon and nitrogen storage in the US Great Plains. Special Issue "Mitigation of Climate Change" - (Peer Reviewed Journal)
Follett, R.F., Stewart, C.E., Pruessner, E.G., Kimble, J. 2012. Effects of Climate Change on soil carbon and nitrogen storage in the US Great Plains. Special Issue "Mitigation of Climate Change". Journal of Soil and Water Conservation. 12:115-125.
Impact of biosolids and tillage on soil organic matter fractions: Implications of carbon saturation for conservation management in the Virginia Coastal Plain Reprint Icon - (Peer Reviewed Journal)
Stewart, C.E., Follett, R.F., Wallace, J., Pruessner, E.G. 2012. Impact of biosolids and tillage on soil organic matter fractions: Implications of carbon saturation for conservation management in the Virginia Coastal Plain. Soil Science Society of America Journal. 76:1257-1267.
Qualitative analysis of volatile organic compounds on biochar Reprint Icon - (Peer Reviewed Journal)
Spokas, K.A., Novak, J.M., Stewart, C.E., Cantrell, K.B., Uchimiya, S.M., Dusaire, M.G., Ro, K.S. 2011. Qualitative analysis of volatile organic compounds on biochar. Chemosphere. 85(5):869-882.
Evaluation of angiosperm and fern contributions to soil organic matter using two methods of pyrolysis-gas chromatography-mass spectrometry Reprint Icon - (Peer Reviewed Journal)
Stewart, C.E. 2011. Evaluation of angiosperm and fern contributions to soil organic matter using two methods of pyrolysis-gas chromatography-mass spectrometry. Plant and Soil. 351:31-46.
Vegetation effects on soil organic matter chemistry of aggregate fractions in a Hawaiian forest - (Peer Reviewed Journal)
Stewart, C.E., Neff, J., Amatangelo, K., Vitousek, P. 2011. Vegetation effects on soil organic matter chemistry of aggregate fractions in a Hawaiian forest. Ecosystems. 14: 382-397.