U.S. flagAn official website of the United States government
                    Here's how you know **Official websites use .gov**
                            
                            A **.gov** website belongs to an official government organization in the United States.
 **Secure .gov websites use HTTPS**
                            
                            A **lock** (                            
                              A locked padlock                                                      
                            
                            ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Menu Agricultural Research Service
						
                    U.S. DEPARTMENT OF AGRICULTURE
 Northwest Sustainable Agroecosystems Research: Pullman, WA
 close



    Research

                    Research Projects
                                    Publications
                                    Collaborations
                                    News
                People

                    Staff Listing
                                    CareersSearch small
                    Search
            
            ARS Home
                                About ARS
                                Contact Us




ARS Home Pacific West Area Pullman, Washington Northwest Sustainable Agroecosystems Research People & Locations







Claire  Phillips
                        Northwest Sustainable Agroecosystems Research

                        




                        
                        Research Soil Scientist
                        Phone: (509) 335-2724
                        
                        
                        Fax: (Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsAdvancing Soil Health and Agricultural Performance to Promote Sustainable Intensification and Resilience of Northwest Dryland Cropping Systems
                                                    In-House Appropriated
                                                                    (D)Accession Number: 443381**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)A high throughput approach for measuring soil slaking index.

- (Peer Reviewed Journal)Large stocks of deep soil carbon are vulnerable to decomposition

- (Experiment Station)The WSU Wheat Beat Podcast: Soil Carbon Sequestration at Cook Agronomy Farm with Dr. Claire Phillips.

- (Other)The Earth Works Podcast: Kevin Hicks with Claire Phillips

- (Other)Nitrogen and sulfur fertility practices: Influences on hop chemistry, aroma, and nitrate accumulation
                                                        

- (Peer Reviewed Journal)Gent, D.H., Block, M., Massie, S.T., Phillips, C.L., Richardson, B.J., Shellhammer, T.H., Trippe, K.M., Wiseman, M.S. 2023. Nitrogen and sulfur fertility practices: Influences on hop chemistry, aroma, and nitrate accumulation. Journal of the American Society of Brewing Chemists. https://doi.org/10.1080/03610470.2023.2204412.Thirteen-year stover harvest and tillage effects on soil compaction in Iowa
                                                        

- (Peer Reviewed Journal)Phillips, C.L., Tekeste, M., Ebrahimi, E., Logsdon, S.D., Malone, R.W., O'Brien, P.L., Emmett, B.D., Karlen, D.L. 2023. Thirteen-year stover harvest and tillage effects on soil compaction in Iowa. Agrosystems, Geosciences & Environment. 6(2). Article e20361. https://doi.org/10.1002/agg2.20361.Thirteen-year stover harvest and tillage effects on corn agroecosystem sustainability in Iowa
                                                        

- (Database / Dataset)Karlen, D.L., Phillips, C.L., O'Brien, P.L., Obrycki, J.N., Tekeste, M.Z., Ebrahimi, E., Cambardella, C.A., Kovar, J.L., Birrell, S.J. 2022. Thirteen-year stover harvest and tillage effects on corn agroecosystem sustainability in Iowa. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1528303.Dataset: Turfgrass soil carbon changes through time: Raw data and code
                                                        

- (Database / Dataset)Phillips, C.L., Wang, R., Trammell, T.L., Young, J., Kowalewski, A.R. 2022. Dataset: Turfgrass soil carbon changes through time: Raw data and code. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1528200.High soil carbon sequestration rates persist several decades in turfgrass systems: A meta-analysis
                                                        

- (Peer Reviewed Journal)Phillips, C.L., Wang, R., Mattox, C., Trammell, T.L., Young, J., Kowalewski, A.R. 2022. High soil carbon sequestration rates persist several decades in turfgrass systems: A meta-analysis. Science of the Total Environment. 858(3). Article 159974. https://doi.org/10.1016/j.scitotenv.2022.159974.Carbon sequestration in turfgrass-soil systems
                                                        

- (Peer Reviewed Journal)Wang, R., Mattox, C.M., Phillips, C.L., Kowalewski, A.R. 2022. Carbon sequestration in turfgrass-soil systems. Plants. 11(19). Article 2478. https://doi.org/10.3390/plants11192478.Towards predicting biochar impacts on plant-available soil nitrogen content
                                                        

- (Peer Reviewed Journal)Phillips, C.L., Meyer, K.M., Garcia-Jaramillo, M., Weidman, C., Stewart, C.E., Wanzek, T.A., Grusak, M.A., Watts, D.W., Novak, J.M., Trippe, K.M. 2022. Towards predicting biochar impacts on plant-available soil nitrogen content. Biochar. 4. Article 9. https://doi.org/10.1007/s42773-022-00137-2.Towards predicting biochar impacts on plant-available soil nitrogen content
                                                        

- (Database / Dataset)Phillips, C.L., Meyer, K.M., Garcia-Jaramillo, M., Weidman, C., Stewart, C.E., Wanzek, T.A., Grusak, M.A., Watts, D.W., Novak, J.M., Trippe, K.M. 2022. Towards predicting biochar impacts on plant-available soil nitrogen content. Ag Data Commons. https://doi.org/10.1007/s42773-022-00137-2.Biochar addition to vineyard soils: Effects on soil functions, grape yield and wine quality
                                                        

- (Peer Reviewed Journal)Garcia-Jaramillo, M.N., Meyer, K.M., Phillips, C.L., Acosta Martinez, V., Osborne, J., Levin, A.D., Trippe, K.M. 2021. Biochar addition to vineyard soils: Effects on soil functions, grape yield and wine quality. Biochar. 3:565-577. https://doi.org/10.1007/s42773-021-00118-x.Nitrogen fertility practices in the field influence the accumulation of nitrate during the production of hop-forward beer
                                                        

- (Peer Reviewed Journal)Shellhammer, T.H., Lafontaine, S.R., Iskra, A.E., Clawson, J., Trippe, K.M., Phillips, C.L., Gent, D.H. 2021. Nitrogen fertility practices in the field influence the accumulation of nitrate during the production of hop-forward beer. BrewingScience. 74:88-91. https://doi.org/10.23763/BrSc21-08shellhammer.Delayed early season irrigation: impacts on hop yield and quality
                                                        

- (Peer Reviewed Journal)Gent, D.H., Claassen, B.J., Massie, S.T., Phillips, C.L., Shellhammer, T.H., Trippe, K.M., Twomey, M.C. 2021. Delayed early season irrigation: impacts on hop yield and quality. Journal of the American Society of Brewing Chemists. 80:62-65. https://doi.org/10.1080/03610470.2021.1915053.Manipulating rangeland soil microclimate with juniper biochar for improved native seedling establishment
                                                        

- (Peer Reviewed Journal)Phillips, C.L., Meyer, K.M., Hanson, C.V., Biraud, S., Trippe, K.M. 2020. Manipulating rangeland soil microclimate with juniper biochar for improved native seedling establishment. Soil Science Society of America Journal. 85(3):847-861. https://doi.org/10.1002/saj2.20207.COSORE: A community database for continuous soil respiration and other soil-atmosphere greenhouse gas flux data

- (Peer Reviewed Journal)COSORE: A community database for continuous soil respiration and other soil-atmosphere greenhouse gas flux data
                                                        

- (Peer Reviewed Journal)Bond-Lamberty, B., Christianson, D., Malhotra, A., Pennington, S., Sihi, D., Aghakouchak, A., Anjileli, H., Arain, M., Armesto, J., Ashraf, S., Ataka, M., Baldocchi, D., Black, T., Buchmann, Carbone, M., Chang, S., Crill, P., Curtis, P., Davidson, E., Desai, A., Drake, J., El-Madany, T., Gavazzi, M., Görres, C., Gough, C., Goulden, M., Gregg, J., Gutiérrez Del Arroyo, O., He, J., Hirano, T., Hopple, A., Hughes, H., Järveoja, J., Jassal, R., Jian, J., Kan, H., Kaye, J., Kominami, Y., Liang, N., Lipson, D., Macdonald, C., Maseyk, K., Mathes, K., Mauritz, M., Mauritz, M., Mcnulty, S., Miao, G., Migliavacca, M., Miller, S., Nietz, J., Nilsson, M., Noormets, A., Norouz, H., O’Connell, C., Osborne, B., Oyonarte, C., Pang, Z., Peich, M., Pendall, E., Perez-Quezada, J., Phillips, C.L., Phillips, R., Raich, J., Renchon, A., Ruehr, N., Sanchez-Canete, E., Saunders, M., Savage, K., Schrumpf, M., Scott, R.L., Seibt, U., Silver, W., Sun, T., Sun, W., Szutu, D., Takagi, K., Takagi, M., Teramoto, M., Tjoelker, M., Trumbore, S., Ueyama, M., Ueyama, R., Varner, R., Verfaillie, J., Vogel, C., Wang, J., Winston, G., Wood, T., Wu, J., Wutzler, T., Zeng, J., Zha, T., Zhang, Q., Zou, J. 2020. COSORE: A community database for continuous soil respiration and other soil-atmosphere greenhouse gas flux data. Global Change Biology. 26:7268-7283. https://doi.org/10.1111/gcb.15353.Biochar application method affects soil moisture and seedling establishment
                                                        

- (Peer Reviewed Journal)Phillips, C.L., Meyer, K.M., Trippe, K.M. 2020. Biochar application method affects soil moisture and seedling establishment. Geoderma. 375. https://doi.org/10.1016/j.geoderma.2020.114457.How much will soils warm?
                                                        

- (Peer Reviewed Journal)Phillips, C.L. 2020. How much will soils warm? Journal of Geophysical Research-Biogeosciences. 125(7). https://doi.org/10.1029/2020JG005668.Preliminary evaluation of a decision support tool for biochar amendment
                                                        

- (Peer Reviewed Journal)Phillips, C.L., Light, S.E., Lindsley, A., Wanzek, T.A., Meyer, K.M., Trippe, K.M. 2020. Preliminary evaluation of a decision support tool for biochar amendment. Biochar. 2:93-105. https://doi.org/10.1007/s42773-020-00037-3.CMIP5 models predict rapid and deep soil warming over the 21st century
                                                        

- (Peer Reviewed Journal)Soong, J., Phillips, C.L., Ledna, C., Koven, C.D., Tom, M. 2020. CMIP5 models predict rapid and deep soil warming over the 21st century. Journal of Geophysical Research-Biogeosciences. 125(2). https://doi.org/10.1029/2019JG005266.Can biochar conserve water in Oregon agricultural soils?
                                                        

- (Peer Reviewed Journal)Phillips, C.L., Light, S.E., Gollany, H.T., Chiu, S., Wanzek, T.A., Meyer, K.M., Trippe, K.M. 2020. Can biochar conserve water in Oregon agricultural soils? Soil and Tillage Research. 198. https://doi.org/10.1016/j.still.2019.104525.Biochar surface oxygenation by ozonization for super high cation exchange capacity
                                                        

- (Peer Reviewed Journal)Kharel, G., Sacko, O., Feng, X., Morris, J., Phillips, C.L., Trippe, K.M., Kumar, S., Lee, J. 2019. Biochar surface oxygenation by ozonization for super high cation exchange capacity. ACS Sustainable Chemistry & Engineering. 7(19):16410-16418. https://doi.org/10.1021/acssuschemeng.9b03536.Influence of nitrogen fertility practices on hop cone quality
                                                        

- (Peer Reviewed Journal)Iskra, A., Lafontaine, S., Trippe, K.M., Massie, S., Phillips, C.L., Towney, M., Shellhammer, T., Gent, D.H. 2019. Influence of nitrogen fertility practices on hop cone quality. Journal of American Society of Brewing Chemists. 73(3):199-209. https://doi.org/10.1080/03610470.2019.1616276.Use of SWAT to model impact of climate change on sediment yield and agricultural productivity in Western Oregon, USA
                                                        

- (Peer Reviewed Journal)Mueller Warrant, G.W., Phillips, C.L., Trippe, K.M. 2019. Use of SWAT to model impact of climate change on sediment yield and agricultural productivity in Western Oregon, USA. Open Journal of Modern Hydrology. 9:54-88. https://doi.org/10.4236/ojmh.2019.92004.Can biochar link forest restoration with commercial agriculture?
                                                        

- (Peer Reviewed Journal)Sessions, J., Smith, D., Trippe, K.M., Campbell, J., Bailey, J., Fried, J., Hollamon, W., Petitmermet, J., Phillips, C.L. 2019. Can biochar link forest restoration with commercial agriculture? Biomass and Bioenergy. 123:175-185. https://doi.org/10.1016/j.biombioe.2019.02.015.Creating a biochar roadmap: The future of biochar research at the USDA Agricultural Research Service
                                                        

- (Other)Trippe, K.M., Phillips, C.L., Spokas, K.A., Miles, T. 2018. Creating a biochar roadmap: The future of biochar research at the USDA Agricultural Research Service. CSA News. 63:24-25. https://doi.org/10.2134/csa2018.63.1021.Development of a Pacific Northwest Biochar Atlas: Translating biochar study results into usable grower information

- (Popular Publication)Trippe, K.M., Phillips, C.L. 2018. Development of a Pacific Northwest Biochar Atlas: Translating biochar study results into usable grower information. Crops and Soils. 51(4):24-27.Physical feasibility of biochar production and utilization at a farm-scale: a case-study in non-irrigated seed production

- (Peer Reviewed Journal)Phillips, C.L., Trippe, K.M., Reardon, C.L., Mellbye, B., Griffith, S.M., Banowetz, G.M. 2018. Physical feasibility of biochar production and utilization at a farm-scale: a case-study in non-irrigated seed production. Biomass and Bioenergy. 108:244-251.Networking our science to characterize the state, vulnerabilities, and management opportunities of soil organic matter
                                                        

- (Review Article)Harden, J., Hugelius, G., Ahlstrom, A., Blankinship, J., Bond-Lamberty, B., Lawrence, C., Loisel, J., Malhotra, A., Jackson, R., Ogle, S., Phillips, C.L. 2017. Networking our science to characterize the state, vulnerabilities, and management opportunities of soil organic matter. Global Change Biology. 24(2):e705-e718. https://doi.org/10.1111/gcb.13896.A new platform for managing soil carbon and soil health
                                                        

- (Popular Publication)Loisel, J., Malhotra, A., Phillips, C.L. 2017. A new platform for managing soil carbon and soil health. Earth and Space Science. 98. https://doi.org/10.1029/2017EO080753.Soil health, crop productivity, microbial transport, and mine spoil response to biochars

- (Peer Reviewed Journal)Novak, J.M., Ippolito, J.A., Lentz, R.D., Spokas, K.A., Bolster, C.H., Sistani, K.R., Trippe, K.M., Phillips, C.L., Johnson, M.G. 2016. Soil health, crop productivity, microbial transport, and mine spoil response to biochars. BioEnergy Research. 9(2):454-464.Gasified grass and wood biochars facilitate plant establishment in acid mine soils

- (Peer Reviewed Journal)Phillips, C.L., Trippe, K.M., Whittaker, G.W., Griffith, S.M., Johnson, M.G., Banowetz, G.M. 2016. Gasified grass and wood biochars facilitate plant establishment in acid mine soils. Journal of Environmental Quality. 45:1013-1020. doi: 10.2134/jeq2015.09.0470.


Return to top


Connect with ARS Sign up


ARS Home
                            USDA.gov
                            Plain Writing
                            Policies & Links
                            Civil Rights Statements
                            FOIA
                            Accessibility Statement
                            Privacy Policy
                            Non-Discrimination Statement
                            Quality of Information
                            USA.gov
                            WhiteHouse.gov