Lead Authors:
Alexander N. Hristov, The Pennsylvania State University
Jane M. E. Johnson, USDA Agricultural Research Service
Contributing Authors:
Charles W. Rice, Kansas State University
Molly E. Brown, University of Maryland
Richard T. Conant, Colorado State University
Stephen J. Del Grosso, USDA Agricultural Research Service
Noel P. Gurwick, U.S. Agency for International Development
C. Alan Rotz, USDA Agricultural Research Service
Upendra M. Sainju, USDA Agricultural Research Service
R. Howard Skinner, USDA Agricultural Research Service
Tristram O. West, DOE Office of Science
Benjamin R. K. Runkle, University of Arkansas
Henry Janzen, Agriculture and Agri-Food Canada
Sasha C. Reed, U.S. Geological Survey
Nancy Cavallaro, USDA National Institute of Food and Agriculture
Gyami Shrestha, U.S. Carbon Cycle Science Program and University Corporation for Atmospheric Research
Science Lead:
Sasha C. Reed, U.S. Geological Survey
Review Editor:
Rachel Melnick, USDA National Institute of Food and Agriculture
Federal Liaisons:
Nancy Cavallaro, USDA National Institute of Food and Agriculture
Carolyn Olson (former), USDA Office of the Chief Economist

Agriculture

REFERENCES

Adler, P. R., S. J. Del Grosso, D. Inman, R. E. Jenkins, S. Spatari, and Y. Jhang, 2012: Mitigation opportunities for life-cycle greenhouse gas emissions during feedstock productions across heterogeneous landscapes. In: Managing Agricultural Greenhouse Gases. [A. Liebig, A. J. Franzluebbers, and R. F. Follett (eds.)]. Academic Press, pp. 203-219.

Adler, P. R., S. J. Del Grosso, and W. J. Parton, 2007: Life-cycle assessment of net greenhouse-gas flux for bioenergy cropping systems. Ecological Applications, 17(3), 675-691, doi: 10.1890/05-2018.

Agriculture and Agri-Food Canada, 2016: Per Capita Disappearance: Protein Disappearance of Animal Protein Sources in Canada. [URL]

Allard, V., J. F. Soussana, R. Falcimagne, P. Berbigier, J. M. Bonnefond, E. Ceschia, P. D’hour, C. Hénault, P. Laville, C. Martin, and C. Pinarès-Patino, 2007: The role of grazing management for the net biome productivity and greenhouse gas budget (CO2, N2O and CH4) of semi-natural grassland. Agriculture, Ecosystems and Environment, 121(1-2), 47-58, doi: 10.1016/j.agee.2006.12.004.

Álvaro-Fuentes, J., and K. Paustian, 2011: Potential soil carbon sequestration in a semiarid Mediterranean agroecosystem under climate change: Quantifying management and climate effects. Plant and Soil, 338(1-2), 261-272, doi: 10.1007/s11104-010-0304-7.

Ammann, C., C. R. Flechard, J. Leifeld, A. Neftel, and J. Fuhrer, 2007: The carbon budget of newly established temperate grassland depends on management intensity. Agriculture, Ecosystems and Environment, 121(1-2), 5-20, doi: 10.1016/j.agee.2006.12.002.

Anderson-Teixeira, K. J., M. D. Masters, C. K. Black, M. Zeri, M. Z. Hussain, C. J. Bernacchi, and E. H. DeLucia, 2013: Altered belowground carbon cycling following land-use change to perennial bioenergy crops. Ecosystems, 16(3), 508-520, doi: 10.1007/s10021-012-9628-x.

Asem-Hiablie, S., C. A. Rotz, T. Battagliese, and K. R. Stackhouse­Lawson, 2018: A life cycle assessment of the environmental impacts of a beef system in the United States of America. International Journal of Life Cycle Assessment, doi: 10.1007/s11367-018-1464-6.

Bahadur, K. C. K., I. Haque, A. F. Legwegoh, and E. D. G. Fraser, 2016: Strategies to reduce food loss in the global south. Sustainability, 8(7), 1-13, doi: 10.3390/su8070595.

Baker, J. M., and T. J. Griffis, 2005: Examining strategies to improve the carbon balance of corn/bean agriculture using eddy covariance and mass balance techniques. Agricultural and Forest Meteorology, 128(3-4), 163-177.

Baker, J. M., T. E. Ochsner, R. T. Venterea, and T. J. Griffis, 2007: Tillage and soil carbon sequestration—what do we really know? Agriculture, Ecosystems and Environment, 118(1-4), 1-5, doi: 10.1016/j.agee.2006.05.014.

Bernacchi, C. J., S. E. Hollinger, and T. Meyers, 2005: The conversion of the corn/soybean ecosystem to no-till agriculture may result in a carbon sink. Global Change Biology, 11, 1867-1872, doi: 10.1111/j.1365-2486.2005.01050.x.

Bird, J. A., C. van Kessel, and W. R. Horwath, 2003: Stabilization and 13C-carbon and immobilization of 15N-nitrogen from rice straw in humic fractions. Soil Science Society of America Journal, 67, 806-816, doi: 10.2136/sssaj2003.8060.

Blanco-Canqui, H., 2013: Crop residue removal for bioenergy reduces soil carbon pools: How can we offset carbon losses? Bioenergy Research, 6(1), 358-371, doi: 10.1007/s12155-012-9221-3.

Blanco-Canqui, H., and R. Lal, 2009: Crop residue removal impacts on soil productivity and environmental quality. Critical Reviews in Plant Sciences, 28(3), 139-163, doi: 10.1080/07352680902776507.

Blanco-Canqui, H., J. D. Holman, A. J. Schlegel, J. Tatarko, and T. M. Shaver, 2013: Replacing fallow with cover crops in a semiarid soil: Effects on soil properties. Soil Science Society of America Journal, 77(3), 1026-1034, doi: 10.2136/sssaj2013.01.0006.

Bouman, B. A. M., E. Humphreys, T. P. Tuong, and R. Barker, 2007: Rice and water. In: Advances in Agronomy. [D. L. Sparks (ed.)]. Academic Press, 187-237 pp.

Bronick, C. J., and R. Lal, 2005: Soil structure and management: A review. Geoderma, 124(1-2), 3-22, doi: 10.1016/j.geoderma.2004.03.005.

Canter, C. E., J. B. Dunn, J. Han, Z. Wang, and M. Wang, 2015: Policy implications of allocation methods in the life cycle analysis of integrated corn and corn stover ethanol production. Bioenergy Research, 9(1), 77-87, doi: 10.1007/s12155-015-9664-4.

CCSP, 2007: First State of the Carbon Cycle Report (SOCCR): The North American Carbon Budget and Implications for the Global Carbon Cycle. A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research. [A. W. King, L. Dilling, G. P. Zimmerman, D. M. Fairman, R. A. Houghton, G. Marland, A. Z. Rose, and T. J. Wilbanks (eds.)]. National Oceanic and Atmospheric Administration, National Climatic Data Center, Asheville, NC, USA, 242 pp.

Chambers, A., R. Lal, and K. Paustian, 2016: Soil carbon sequestration potential of U.S. croplands and grasslands: Implementing the 4 per thousand initiative. Journal of Soil and Water Conservation, 71(3), 68A-74A, doi: 10.2489/jswc.71.3.68A.

Chi, J., S. Waldo, S. Pressley, P. O’Keeffe, D. Huggins, C. Stöckle, W. L. Pan, E. Brooks, and B. Lamb, 2016: Assessing carbon and water dynamics of no-till and conventional tillage cropping systems in the inland Pacific Northwest U.S. using the eddy covariance method. Agricultural and Forest Meteorology, 218-219, 37-49, doi: 10.1016/j.agrformet.2015.11.019.

Chianese, D. S., C. A. Rotz, and T. L. Richard, 2009: Simulation of methane emissions from dairy farms to assess greenhouse gas reduction strategies. Transactions of the ASABE, 52(4), 1313-1323, doi: 10.13031/2013.27781.

Collins, H. P., M. M. Mikha, T. T. Brown, J. L. Smith, D. R. Huggins, and U. M. Sainju, 2012: Agricultural management and soil carbon dynamics: Western U.S. croplands. In: Managing Agricultural Greenhouse Gases. [M. A. Liebig, A. J. Franzluebbers, and R. F. Follett (eds.)]. Elsevier, pp. 59-77.

Conant, R. T., K. Paustian, and E. T. Elliott, 2001: Grassland management and conversion into grassland: Effects on soil carbon. Ecological Applications, 11(2), 343-355, doi: 10.1890/1051-0761(2001)011[0343:gmacig]2.0.co;2.

Conant, R. T., M. Easter, K. Paustian, A. Swan, and S. Williams, 2007: Impacts of periodic tillage on soil C stocks: A synthesis. Soil and Tillage Research, 95(1-2), 1-10, doi: 10.1016/j.still.2006.12.006.

Cong, W.-F., J. van Ruijven, L. Mommer, G. B. De Deyn, F. Berendse, E. Hoffland, and S. Lavorel, 2014: Plant species richness promotes soil carbon and nitrogen stocks in grasslands without legumes. Journal of Ecology, 102(5), 1163-1170, doi: 10.1111/1365-2745.12280.

Del Grosso, S. J., and M. Baranski, 2016: USDA agriculture and forestry greenhouse gas inventory. Technical Bulletin. [S. J. Del Grosso and M. Baranski (eds.)]. Office of the Chief Economist U.S. Department of Agriculture, 137 pp.

Del Grosso, S., P. Smith, M. Galdos, A. Hastings, and W. Parton, 2014: Sustainable energy crop production. Current Opinion in Environmental Sustainability, 9-10, 20-25, doi: 10.1016/j.cosust.2014.07.007.

Del Prado, A., P. Crosson, J. E. Olesen, and C. A. Rotz, 2013: Whole-farm models to quantify greenhouse gas emissions and their potential use for linking climate change mitigation and adaptation in temperate grassland ruminant-based farming systems. Animal, 7(Suppl 2), 373-385, doi: 10.1017/S1751731113000748.

Deverel, S. J., T. Ingrum, and D. Leighton, 2016: Present-day oxidative subsidence of organic soils and mitigation in the Sacramento­San Joaquin Delta, California, USA. Hydrogeology Journal, 24, 569-586, doi: 10.1007/s10040-016-1391-1.

Dieleman, W. I., S. Vicca, F. A. Dijkstra, F. Hagedorn, M. J. Hovenden, K. S. Larsen, J. A. Morgan, A. Volder, C. Beier, J. S. Dukes, J. King, S. Leuzinger, S. Linder, Y. Luo, R. Oren, P. De Angelis, D. Tingey, M. R. Hoosbeek, and I. A. Janssens, 2012: Simple additive effects are rare: A quantitative review of plant biomass and soil process responses to combined manipulations of CO2 and temperature. Global Change Biology, 18(9), 2681-2693, doi: 10.1111/j.1365-2486.2012.02745.x.

Doetterl, S., A. A. Berhe, E. Nadeu, Z. Wang, M. Sommer, and P. Fiener, 2016: Erosion, deposition and soil carbon: A review of process-level controls, experimental tools and models to address C cycling in dynamic landscapes. Earth-Science Reviews, 154, 102-122, doi: 10.1016/j.earscirev.2015.12.005.

Drinkwater, L. E., and S. S. Snapp, 2007: Nutrients in agroecosystems: Rethinking the management paradigm. Advances in Agronomy, 92, 163-186, doi: 10.1016/S0065-2113(04)92003-2.

Drinkwater, L. E., P. Wagoner, and M. Sarrantonio, 1998: Legume-based cropping systems have reduced carbon and nitrogen losses. Nature, 396(6708), 262-265, doi: 10.1038/24376.

ECCC, 2017: Canadian Environmental Sustainability Indicators: Greenhouse Gas Emissions. [URL]

ECCC, 2018: National Inventory Report, 1990-2016: Greenhouse Sources and Sinks in Canada. [URL]

Eshel, G., A. Shepon, T. Makov, and R. Milo, 2014: Land, irrigation water, greenhouse gas, and reactive nitrogen burdens of meat, eggs, and dairy production in the United States. Proceedings of the National Academy of Sciences USA, 111(33), 11996-12001, doi: 10.1073/pnas.1402183111.

FAO, 2013: Food Wastage Footprint Impacts on Natural Resources. Vol. 249, Food and Agriculture Organization of the United Nations.

FAO, 2016: The agriculture sectors in the intended nationally determined contributions: Analysis. Environment and Natural Resources Management Working Paper No. 62. [R. Strohmaier, J. Rioux, A. Seggel, A. Meybeck, M. Bernoux, M. Salvatore, J. Miranda, and A. Agostini (eds.)]. [URL]

FAOSTAT, 2016: Food and Agriculture Data. Food and Agricultural Organization of the United Nations. [URL]

FAOSTAT, 2017: Food and Agriculture Data. Food and Agricultural Organization of the United Nations. [URL]

Fargione, J., J. Hill, D. Tilman, S. Polasky, and P. Hawthorne, 2008: Land clearing and the biofuel carbon debt. Science, 319(5867), 1235-1238, doi: 10.1126/science.1152747.

Feng, Y., A. C. Motta, D. W. Reeves, C. H. Burmester, E. van Santen, and J. A. Osborne, 2003: Soil microbial communities under conventional-till and no-till continuous cotton systems. Soil Biology and Biochemistry, 35(12), 1693-1703, doi: 10.1016/j.soilbio.2003.08.016.

Flugge, M., J. Lewandrowski, J. Rosenfeld, C. Boland, T. Hendrickson, K. Jaglo, S. Kolansky, K. Moffroid, M. Riley-Gilbert, and D. Pape, 2017: A Life-Cycle Analysis of the Greenhouse Gas Emissions of Corn-Based Ethanol. Report Prepared By ICF Under USDA Contract No. AG-3142-D-16-0243.

Foley, J. A., N. Ramankutty, K. A. Brauman, E. S. Cassidy, J. S. Gerber, M. Johnston, N. D. Mueller, C. O’Connell, D. K. Ray, P. C. West, C. Balzer, E. M. Bennett, S. R. Carpenter, J. Hill, C. Monfreda, S. Polasky, J. Rockstrom, J. Sheehan, S. Siebert, D. Tilman, and D. P. Zaks, 2011: Solutions for a cultivated planet. Nature, 478(7369), 337-342, doi: 10.1038/nature10452.

Franzluebbers, A. J., 2008: Linking soil and water quality in conservation agricultural systems. Journal of Integrative Biosciences, 29(6), 15-29.

Franzluebbers, A. J., 2010: Achieving soil organic carbon sequestration with conservation agricultural systems in the Southeastern United States. Soil Science Society of America Journal, 74(2), 347, doi: 10.2136/sssaj2009.0079.

Franzluebbers, A. J., and J. A. Stuedemann, 2009: Soil-profile organic carbon and total nitrogen during 12 years of pasture management in the Southern Piedmont USA. Agriculture, Ecosystems and Environment, 129(1-3), 28-36, doi: 10.1016/j.agee.2008.06.013.

Franzluebbers, A. J., J. A. Stuedemann, H. H. Schomberg, and S. R. Wilkinson, 2000: Soil organic C and N pools under long-term pasture management in the Southern Piedmont USA. Soil Biology and Biochemistry, 32(4), 469-478, doi: 10.1016/s0038-0717(99)00176-5.

Fulton, L. M., L. R. Lynd, A. Korner, N. Greene, and L. R. Tonachel, 2015: The need for biofuels as part of a low carbon energy future. Biofuels, Bioproducts and Biorefining, 9(5), 476-483, doi: 10.1002/bbb.1559.

Garnett, T., M. C. Appleby, A. Balmford, I. J. Bateman, T. G. Benton, P. Bloomer, B. Burlingame, M. Dawkins, L. Dolan, D. Fraser, M. Herrero, I. Hoffmann, P. Smith, P. K. Thornton, C. Toulmin, S. J. Vermeulen, and H. C. Godfray, 2013: Agriculture. Sustainable intensification in agriculture: Premises and policies. Science, 341(6141), 33-34, doi: 10.1126/science.1234485.

Gelfand, I., T. Zenone, P. Jasrotia, J. Chen, S. K. Hamilton, and G. P. Robertson, 2011: Carbon debt of Conservation Reserve Program (CRP) grasslands converted to bioenergy production. Proceedings of the National Academy of Sciences USA, 108(33), 13864-13869, doi: 10.1073/pnas.1017277108.

Gerber, P., M. MacLeod, C. Opio, T. Vellinga, A. Falcucci, V. Weiler, G. Tempio, G. Gianni, and K. Dietze, 2012: Greenhouse gas emissions from livestock food chains: A global assessment. Bratislava, EAAP.

Gilmanov, T. G., L. Aires, Z. Barcza, V. S. Baron, L. Belelli, J. Beringer, D. Billesbach, D. Bonal, J. Bradford, E. Ceschia, D. Cook, C. Corradi, A. Frank, D. Gianelle, C. Gimeno, T. Gruenwald, H. Guo, N. Hanan, L. Haszpra, J. Heilman, A. Jacobs, M. B. Jones, D. A. Johnson, G. Kiely, S. Li, V. Magliulo, E. Moors, Z. Nagy, M. Nasyrov, C. Owensby, K. Pinter, C. Pio, M. Reichstein, M. J. Sanz, R. Scott, J. F. Soussana, P. C. Stoy, T. Svejcar, Z. Tuba, and G. Zhou, 2010: Productivity, respiration, and light-response parameters of world grassland and agroecosystems derived from flux-tower measurements. Rangeland Ecology and Management, 63(1), 16-39, doi: 10.2111/rem-d-09-00072.1.

Global Research Alliance on Agricultural Greenhouse Gases, 2015: Reducing the Emissions Intensity of Livestock Production: Case Studies of Success. [URL]

Government of Canada, 2016: Per Capita Consumption of Milk and Cream. [URL]

Grassini, P., and K. G. Cassman, 2012. High-yield maize with large net energy yield and small global warming intensity. Proceedings of the National Academy of Sciences USA, 109: 1074-1079. doi: 10.1073/pnas.1116364109.

Gray, J. M., S. Frolking, E. A. Kort, D. K. Ray, C. J. Kucharik, N. Ramankutty, and M. A. Friedl, 2014: Direct human influence on atmospheric CO2 seasonality from increased cropland productivity. Nature, 515(7527), 398-401, doi: 10.1038/nature13957.

Gunders, D., 2012: Wasted: How America is losing up to 40 percent of its food from farm to fork to landfill. Natural Resources Defense Council. [URL]

Gustavsson, J., C. Cederberg, U. Sonesson, R. V. Otterdijk, and A. Meybeck, 2011: Global Food Losses and Food Waste: Extent, Causes, and Prevention. Food and Agriculture Organization of the United Nations.

Hall, K. D., J. Guo, M. Dore, and C. C. Chow, 2009: The progressive increase of food waste in America and its environmental impact. PLOS One, 4(11), e7940, doi: 10.1371/journal.pone.0007940.

Halvorson, A. D., B. J. Wienhold, and A. L. Black, 2002: Tillage, nitrogen, and cropping system effects on soil carbon sequestration. Soil Science Society of America Journal, 66(3), 906, doi: 10.2136/sssaj2002.9060.

Hatfield, J. L., and C. L. Walthall, 2015: Soil biological fertility: Foundation for the next revolution in agriculture? Communications in Soil Science and Plant Analysis, 46, 753-762, doi: 10.1080/00103624.2015.1005227.

Heller, M. C., and G. A. Keoleian, 2015: Greenhouse gas emission estimates of U.S. dietary choices and food loss. Journal of Industrial Ecology, 19(3), 391-401, doi: 10.1111/jiec.12174.

Herrero, M., B. Henderson, P. Havlík, P. K. Thornton, R. T. Conant, P. Smith, S. Wirsenius, A. N. Hristov, P. Gerber, M. Gill, K. Butterbach-Bahl, H. Valin, T. Garnett, and E. Stehfest, 2016: Greenhouse gas mitigation potentials in the livestock sector. Nature Climate Change, 6(5), 452-461, doi: 10.1038/nclimate2925.

Houghton, R. A., J. E. Hobbie, J. M. Melillo, B. Moore, B. J. Peterson, G. R. Shaver, and G. M. Woodwell, 1983: Changes in the carbon content of terrestrial biota and soils between 1860 and 1980: A net release of CO2 to the atmosphere. Ecological Monographs, 53(3), 235-262, doi: 10.2307/1942531.

Hristov, A. N., E. Kebreab, M. Niu, J. Oh, A. Bannink, A. R. Bayat, T. M. Boland, A. F. Brito, D. P. Casper, L. A. Crompton, J. Dijkstra, P. C. Garnsworthy, N. Haque, A. L. F. Hellwing, P. Huhtanen, M. Kreuzer, B. Kuhla, P. Lund, J. Madsen, C. Martin, P. J. Moate, S. Muetzel, C. Muñoz, N. Peiren, J. M. Powell, C. K. Reynolds, A. Schwarm, K. J. Shingfield, T. M. Storlien, M. R. Weisbjerg, D. R. Yáñez-Ruiz, and Z. Yu, 2018: Symposium review: Uncertainties in enteric methane inventories, measurement techniques, and prediction models. Journal of Dairy Science, 101(7), 6655-6674, doi: 10.3168/jds.2017-13536.

Hristov, A. N., A. T. Degaetano, C. A. Rotz, E. Hoberg, H. Skinner, T. Felix, H. Li, P. Patterson, G. Roth, M. Hall, T. L. Ott, L. Baumgard, W. Staniar, M. Hulet, C. Dell, A. Brito, and D. Hollinger, 2017a: Climate change effects on livestock in the Northeast U.S. and strategies for adaptation. Climatic Change, doi: 10.1007/s10584-017-2023-z.

Hristov, A. N., M. Harper, R. Meinen, R. Day, J. Lopes, T. Ott, A. Venkatesh, and C. A. Randles, 2017b: Discrepancies and uncertainties in bottom-up gridded inventories of livestock methane emissions for the contiguous United States. Environmental Science & Technology, 51(23),13668-13677, doi: 10.1021/acs.est.7b03332.

Hristov, A. N., J. Oh, F. Giallongo, T. W. Frederick, M. T. Harper, H. L. Weeks, A. F. Branco, P. J. Moate, M. H. Deighton, S. R. Williams, M. Kindermann, and S. Duval, 2015: An inhibitor persistently decreased enteric methane emission from dairy cows with no negative effect on milk production. Proceedings of the National Academy of Sciences USA, 112(34), 10663-10668, doi: 10.1073/pnas.1504124112.

Hristov, A. N., T. Ott, J. Tricarico, C. A. Rotz, G. Waghorn, A. Adesogan, J. Dijkstra, F. Montes, J. Oh, E. Kebreab, S. Oosting, P. J. Gerber, B. Henderson, H. Makkar, and J. L. Firkins, 2013a: Mitigation of methane and nitrous oxide emissions from animal operations: III. A review of animal management mitigation options. Journal of Animal Science, 91, 5095-5113, doi: 10.2527/jas.2013-6585.

Hristov, A. N., J. Oh, C. Lee, R. Meinen, F. Montes, T. Ott, J. Firkins, A. Rotz, C. Dell, A. Adesogan, W. Yang, J. Tricarico, E. Kebreab, G. Waghorn, J. Dijkstra, and S. Oosting, 2013b: Mitigation of greenhouse gas emissions in livestock production–A review of technical options for non-CO2 emissions. FAO Animal Production and Health Paper no. 177. [P. J. Gerber, B. Henderson, and H. P. S. Makkar (eds.)].

Hristov, A. N., 2012: Historic, pre-European settlement, and present-day contribution of wild ruminants to enteric methane emissions in the United States. Journal of Animal Science, 90(4), 1371-1375, doi: 10.2527/jas.2011-4539.

Huang, X., E. L. Skidmore, and G. L. Tibke, 2002: Soil quality of two Kansas soils as influenced by the Conservation Reserve Program. Journal of Soil and Water Conservation, 57(6), 344-350.

Huggins, D. R., G. A. Buyanovsky, G. H. Wagner, J. R. Brown, R. G. Darmody, T. R. Peck, G. W. Lesoing, M. B. Vanotti, and L. G. Bundy, 1998: Soil organic C in the tallgrass prairie-derived region of the corn belt: Effects of long-term crop management. Soil and Tillage Research, 47(3-4), 219-234, doi: 10.1016/s0167-1987(98)00108-1.

IPCC, 2006: Agriculture, forestry, and other land use. In: Guidelines for National Greenhouse Gas Inventories. [S. Eggleston, L. Buendia, K. Miwa, T. Ngara, and K. Tanabe (eds.)]. Published for the Intergovernmental Panel on Climate Change by the Institute for Global Environmental Strategies.

Janzen, H. H., C. A. Campbell, R. C. Izaurralde, B. H. Ellert, N. Juma, W. B. McGill, and R. P. Zentner, 1998: Management effects on soil C storage on the Canadian prairies. Soil and Tillage Research, 47(3-4), 181-195, doi: 10.1016/s0167-1987(98)00105-6.

Jensen, B. B., 1996: Methanogenesis in monogastric animals. Environmental Monitoring and Assessment, 42(1-2), 99-112, doi: 10.1007/BF00394044.

Johnson, J. M. F., and N. W. Barbour, 2016: Nitrous oxide emission and soil carbon sequestration from herbaceous perennial biofuel feedstocks. Soil Science Society of America Journal, 80, 1057-1070, doi: 10.2136/sssaj2015.12.0436.

Johnson, J. M. F., J. M. Novak, G. E. Varvel, D. E. Stott, S. L. Osborne, D. L. Karlen, J. A. Lamb, J. Baker, and P. R. Adler, 2014: Crop residue mass needed to maintain soil organic carbon levels: Can it be determined? Bioenergy Research, 7(2), 481-490, doi: 10.1007/s12155-013-9402-8.

Johnson, J. M. F., J. S. Strock, J. E. Tallaksen, and M. Reese, 2016: Corn stover harvest changes soil hydrology and soil aggregation. Soil and Tillage Research, 161, 106-115, doi: 10.1016/j.still.2016.04.004.

Johnson, J. M. F., R. R. Allmaras, and D. C. Reicosky, 2006: Estimating source carbon from crop residues, roots and rhizodeposits using the national grain-yield database. Agronomy Journal, 98, 622-636, doi: 10.2134/agronj2005.0179.

Johnson, J. M. F., S. L. Weyers, D. W. Archer, and N. W. Barbour, 2012: Nitrous oxide, methane emission, and yield-scaled emission from organically and conventionally managed systems. Soil Science Society of America Journal, 76(4), 1347, doi: 10.2136/sssaj2012.0017.

Johnson, J. M. F., Reicosky, R. Allmaras, T. Sauer, R. Venterea, and C. Dell, 2005: Greenhouse gas contributions and mitigation potential of agriculture in the central USA. Soil and Tillage Research, 83(1), 73-94, doi: 10.1016/j.still.2005.02.010.

Kladivko, E. J., T. C. Kaspar, D. B. Jaynes, R. W. Malone, J. Singer, X. K. Morin, and T. Searchinger, 2014: Cover crops in the upper Midwestern United States: Potential adoption and reduction of nitrate leaching in the Mississippi River Basin. Journal of Soil and Water Conservation, 69(4), 279-291, doi: 10.2489/jswc.69.4.279.

Lal, R., 2015: Restoring soil quality to mitigate soil degradation. Sustainability, 7(5), 5875-5895, doi: 10.3390/su7055875.

Le Mer, J., and P. Roger, 2001: Production, oxidation, emission and consumption of methane by soils: A review. European Journal of Soil Biology, 37(1), 25-50, doi: 10.1016/s1164-5563(01)01067-6.

Lee, D. K., V. N. Owens, and J. J. Doolittle, 2007: Switchgrass and soil carbon sequestration response to ammonium nitrate, manure, and harvest frequency on Conservation Reserve Program land. Agronomy Journal, 99(2), 462, doi: 10.2134/agronj2006.0152.

Legesse, G., K. A. Beauchemin, K. H. Ominski, E. J. McGeough, R. Kroebel, D. MacDonald, S. M. Little, and T. A. McAllister, 2016: Greenhouse gas emissions of Canadian beef production in 1981 as compared with 2011. Animal Production Science, 56(3), 153, doi: 10.1071/an15386.

Lehman, R. M., W. I. Taheri, S. L. Osborne, J. S. Buyer, and D. D. Douds, 2012: Fall cover cropping can increase arbuscular mycorrhizae in soils supporting intensive agricultural production. Applied Soil Ecology, 61, 300-304, doi: 10.1016/j.apsoil.2011.11.008.

Lehman, R., C. Cambardella, D. Stott, V. Acosta-Martinez, D. Manter, J. Buyer, J. Maul, J. Smith, H. Collins, J. Halvorson, R. Kremer, J. Lundgren, T. Ducey, V. Jin, and D. Karlen, 2015: Understanding and enhancing soil biological health: The solution for reversing soil degradation. Sustainability, 7(1), 988-1027, doi: 10.3390/su7010988.

Liebig, M. A., X. Dong, J. E. T. McLain, and C. J. Dell, 2012: Greenhouse gas flux from managed grasslands in the U.S. Managing Agricultural Greenhouse Gases: Coordinated Agricultural Research Through GRACEnet to Address our Changing Climate. [M. A. Liebig, A. J. Franzluebbers, and R. F. Follett (eds.)]. Elsevier, pp. 183-202. [URL]

Liebig, M., J. Morgan, J. Reeder, B. Ellert, H. Gollany, and G. Schuman, 2005: Greenhouse gas contributions and mitigation potential of agricultural practices in northwestern USA and Western Canada. Soil and Tillage Research, 83(1), 25-52, doi: 10.1016/j.still.2005.02.008.

Linquist, B. A., M. M. Anders, M. A. Adviento-Borbe, R. L. Chaney, L. L. Nalley, E. F. da Rosa, and C. van Kessel, 2015: Reducing greenhouse gas emissions, water use, and grain arsenic levels in rice systems. Global Change Biology, 21(1), 407-417, doi: 10.1111/gcb.12701.

Linquist, B., K. J. Groenigen, M. A. Adviento-Borbe, C. Pittelkow, and C. Kessel, 2012: An agronomic assessment of greenhouse gas emissions from major cereal crops. Global Change Biology, 18(1), 194-209, doi: 10.1111/j.1365-2486.2011.02502.x.

Liu, L., and T. L. Greaver, 2009: A review of nitrogen enrichment effects on three biogenic GHGs: The CO2 sink may be largely offset by stimulated N2O and CH4 emission. Ecology Letters, 12(10), 1103-1117, doi: 10.1111/j.1461-0248.2009.01351.x.

Lugato, E., and A. Berti, 2008: Potential carbon sequestration in a cultivated soil under different climate change scenarios: A modelling approach for evaluating promising management practices in north-east Italy. Agriculture, Ecosystems and Environment, 128(1-2), 97-103, doi: 10.1016/j.agee.2008.05.005.

Luo, Z., E. Wang, and O. J. Sun, 2010: Can no-tillage stimulate carbon sequestration in agricultural soils? A meta-analysis of paired experiments. Agriculture, Ecosystems and Environment, 139(1-2), 224-231, doi: 10.1016/j.agee.2010.08.006.

Ma, Z., C. W. Wood, and D. I. Bransby, 2000: Impacts of soil management on root characteristics of switchgrass. Biomass and Bioenergy, 18(2), 105-112, doi: 10.1016/s0961-9534(99)00076-8.

MacLeod, M., P. Gerber, A. Mottet, G. Tempio, A. Falcucci, C. Opio, T. Vellinga, B. Henderson, and H. Steinfeld, 2013: Greenhouse Gas Emissions from Pig and Chicken Supply Chains - A Global Life Cycle Assessment. Food and Agriculture Organization of the United Nations. [URL]

Mazzoncini, M., T. B. Sapkota, P. Barberi, D. Antichi, and R. Risaliti, 2011: Long-term effect of tillage, nitrogen fertilization and cover crops on soil organic carbon and total nitrogen content. Soil and Tillage Research, 114(2), 165-174, doi: 10.1016/j.still.2011.05.001.

Miller, S. M., S. C. Wofsy, A. M. Michalak, E. A. Kort, A. E. Andrews, S. C. Biraud, E. J. Dlugokencky, J. Eluszkiewicz, M. L. Fischer, G. Janssens-Maenhout, B. R. Miller, J. B. Miller, S. A. Montzka, T. Nehrkorn, and C. Sweeney, 2013: Anthropogenic emissions of methane in the United States. Proceedings of the National Academy of Sciences USA, 110(50), 20018-20022, doi: 10.1073/pnas.1314392110.

Minasny, B., B. P. Malone, A. B. McBratney, D. A. Angers, D. Arrouays, A. Chambers, V. Chaplot, Z.-S. Chen, K. Cheng, B. S. Das, D. J. Field, A. Gimona, C. B. Hedley, S. Y. Hong, B. Mandal, B. P. Marchant, M. Martin, B. G. McConkey, V. L. Mulder, S. O’Rourke, A. C. Richer-de-Forges, I. Odeh, J. Padarian, K. Paustian, G. Pan, L. Poggio, I. Savin, V. Stolbovoy, U. Stockmann, Y. Sulaeman, C.-C. Tsui, T.-G. Vågen, B. van Wesemael, and L. Winowiecki, 2017: Soil carbon 4 per mille. Geoderma, 292, 59-86, doi: 10.1016/j.geoderma.2017.01.002.

Mladenoff, D. J., R. Sahajpal, C. P. Johnson, and D. E. Rothstein, 2016: Recent land use change to agriculture in the U.S. Lake States: Impacts on cellulosic biomass potential and natural lands. PLOS One, 11(2), e0148566, doi: 10.1371/journal.pone.0148566.

Montes, F., R. Meinen, C. Dell, A. Rotz, A. N. Hristov, J. Oh, G. Waghorn, P. J. Gerber, B. Henderson, H. P. Makkar, and J. Dijkstra, 2013: Mitigation of methane and nitrous oxide emissions from animal operations: II. A review of manure management mitigation options. Journal of Animal Science, 91(11), 5070-5094, doi: 10.2527/jas.2013-6584.

Mosier, A. R., A. D. Halvorson, C. A. Reule, and X. J. Liu, 2006: Net global warming potential and greenhouse gas intensity in irrigated cropping systems in northeastern Colorado. Journal of Environmental Quality, 35(4), 1584-1598, doi: 10.2134/jeq2005.0232.

NASEM, 2018: Improving Characterization of Anthropogenic Methane Emissions in the United States. National Academies of Sciences, Engineering, and Medicine. Washington, D.C. The National Academies Press, 250 pp., doi: 10.17226/24987.

Nelson, R. G., C. M. Hellwinckel, C. C. Brandt, T. O. West, D. G. De La Torre Ugarte, and G. Marland, 2009: Energy use and carbon dioxide emissions from cropland production in the United States, 1990-2004. Journal of Environmental Quality, 38(2), 418-425, doi: 10.2134/jeq2008.0262.

Norby, R. J., J. M. Warren, C. M. Iversen, B. E. Medlyn, and R. E. McMurtrie, 2010: CO2 enhancement of forest productivity constrained by limited nitrogen availability. Proceedings of the National Academy of Sciences USA, 107(45), 19368-19373, doi: 10.1073/pnas.1006463107.

Oikawa, P., C. Sturtevant, S. Knox, J. Verfaillie, Y. W. Huang, and D. Baldocchi, 2017: Revisiting the partitioning of net ecosystem exchange of CO2 into photosynthesis and respiration with simultaneous flux measurements of 13CO2 and CO2, soil respiration and a biophysical model, CANVEG. Agricultural and Forest Meteorology, 234-235, 149-163, doi: 10.1016/j.agrformet.2016.12.016.

Parfitt, J., M. Barthel, and S. Macnaughton, 2010: Food waste within food supply chains: Quantification and potential for change to 2050. Philosophical Transactions of the Royal Society B: Biological Sciences, 365(1554), 3065-3081, doi: 10.1098/rstb.2010.0126.

Parkin, T. B., and R. T. Venterea, 2010: Chamber-based trace gas flux measurements. In: USDA-ARS GRACEnet Project Protocols. [R. F. Follett (ed.)]. pp. 3-1 to 3-39. [URL]

Paustian, K., J. Lehmann, S. Ogle, D. Reay, G. P. Robertson, and P. Smith, 2016: Climate-smart soils. Nature, 532(7597), 49-57, doi: 10.1038/nature17174.

Petersen, S. O., A. L. F. Hellwing, M. Brask, O. Højberg, M. Poulsen, Z. Zhu, K. R. Baral, and P. Lund, 2015: Dietary nitrate for methane mitigation leads to nitrous oxide emissions from dairy cows. Journal of Environmental Quality, 44(4), 1063, doi: 10.2134/jeq2015.02.0107.

Pittelkow, C. M., M. A. Adviento-Borbe, J. E. Hill, J. Six, C. van Kessel, and B. A. Linquist, 2013: Yield-scaled global warming potential of annual nitrous oxide and methane emissions from continuously flooded rice in response to nitrogen input. Agriculture, Ecosystems and Environment, 177, 10-20, doi: 10.1016/j.agee.2013.05.011.

Pittelkow, C. M., X. Q. Liang, B. A. Linquist, K. J. van Groenigen, J. Lee, M. E. Lundy, N. van Gestel, J. Six, R. T. Venterea, and C. van Kessel, 2015: Productivity limits and potentials of the principles of conservation agriculture. Nature, 517, doi: 10.1038/nature13809.

Pittelkow, C. M., Y. Assa, M. Burger, R. G. Mutters, C. A. Greer, L. A. Espino, J. E. Hill, W. R. Horwath, C. van Kessel, and B. A. Linquist, 2014: Nitrogen management and methane emissions in direct-seeded rice systems. Agronomy Journal, 106(3), 968, doi: 10.2134/agronj13.0491.

Porter, S. D., D. S. Reay, P. Higgins, and E. Bomberg, 2016: A half-century of production-phase greenhouse gas emissions from food loss and waste in the global food supply chain. Science of the Total Environment, 571, 721-729, doi: 10.1016/j.scitotenv.2016.07.041.

Powlson, D. S., C. M. Stirling, M. L. Jat, B. G. Gerard, C. A. Palm, P. A. Sanchez, and K. G. Cassman, 2014: Limited potential of no-till agriculture for climate change mitigation. Nature Climate Change, 4(8), 678-683, doi: 10.1038/nclimate2292.

Qin, R., P. Stamp, and W. Richner, 2004: Impact of tillage on root systems of winter wheat. Agronomy Journal, 96(6), 1523, doi: 10.2134/agronj2004.1523.

Qin, Z., C. E. Canter, J. B. Dunn, S. Mueller, H. Kwon, J. Han, M. Wander, and M. Wang, 2015: Incorporating Agriculture Management Practices into the Assessment of Soil Carbon Change and Life-Cycle Greenhouse Gas Emissions of Corn Stover Ethanol Production. Argonne National Laboratory. [URL]

Richards, M., L. Gregersen, V. Kuntze, S. Madsen, M. Oldvig, B. Campbell, and I. Vasileiou, 2015: Agriculture’s Prominence in the INDCs. CCAFS Info Note. CGIAR Climate Change Agriculture and Food Security. [URL]

Robertson, G. P., and P. M. Vitousek, 2009: Nitrogen in agriculture: Balancing the cost of an essential resource. Annual Review of Environment and Resources, 34(1), 97-125, doi: 10.1146/annurev.environ.032108.105046.

Robertson, G. P., and P. R. Grace, 2004: Greenhouse gas fluxes in tropical and temperate agriculture: The need for a full-cost accounting of global warming potentials. Environment, Development and Sustainability, 6(1/2), 51-63, doi: 10.1023/B:ENVI.0000003629.32997.9e.

Rochette, P., 2008: No-till only increases N2O emissions in ­poorly-aerated soils. Soil and Tillage Research, 101(1-2), 97-100, doi: 10.1016/j.still.2008.07.011.

Rogers, C. W., K. R. Brye, R. J. Norman, E. E. Gbur, J. D. Mattice, T. B. Parkin, and T. L. Roberts, 2013: Methane emissions from drill-seeded, delayed-flood rice production on a silt-loam soil in Arkansas. Journal of Environmental Quality, 42(4), 1059-1069, doi: 10.2134/jeq2012.0502.

Romero-Perez, A., E. K. Okine, S. M. McGinn, L. L. Guan, M. Oba, S. M. Duval, M. Kindermann, and K. A. Beauchemin, 2015: Sustained reduction in methane production from long-term addition of 3-nitrooxypropanol to a beef cattle diet. Journal of Animal Science, 93(4), 1780-1791, doi: 10.2527/jas.2014-8726.

Rotz, C. A., and G. Thoma, 2017: Assessing the carbon footprint of dairy production systems. In: Large Dairy Herd Management. [D. Beede (ed.)]. American Dairy Science Association.

Rotz, C. A., R. H. Skinner, A. M. K. Stoner, and K. Hayhoe, 2016: Evaluating greenhouse gas mitigation and climate change adaptation in dairy production using farm simulation. Transactions of the ASABE, 59(6), 1771-1781, doi: 10.13031/trans.59.11594.

Rotz, C. A., S. Asem-Hiablie, J. Dillon, and H. Bonifacio, 2015: ­Cradle-to-farm gate environmental footprints of beef cattle production in Kansas, Oklahoma, and Texas. Journal of Animal Science, 93(5), 2509-2519, doi: 10.2527/jas.2014-8809.

Sainju, U. M., B. A. Allen, T. Caesar-TonThat, and A. W. Lenssen, 2015: Dryland soil carbon and nitrogen after thirty years of tillage and cropping sequence combination. Agronomy Journal, 107(5), 1822, doi: 10.2134/agronj15.0106.

Sainju, U. M., B. P. Singh, W. F. Whitehead, and S. Wang, 2006: Carbon supply and storage in tilled and nontilled soils as influenced by cover crops and nitrogen fertilization. Journal of Environmental Quality, 35(4), 1507-1517, doi: 10.2134/jeq2005.0189.

Sainju, U. M., J. D. Jabro, and T. Caesar-TonThat, 2010: Tillage, cropping sequence, and nitrogen fertilization effects on dryland soil carbon dioxide emission and carbon content. Journal of Environmental Quality, 37, 98-106, doi: 10.2134/jeq2006.0392.

Sainju, U. M., W. B. Stevens, and T. Caesar-TonThat, 2014: Soil carbon and crop yields affected by irrigation, tillage, cropping system, and nitrogen fertilization. Soil Science Society of America Journal, 78(3), 936, doi: 10.2136/sssaj2013.12.0514.

Schutter, M. E., and R. P. Dick, 2002: Microbial community profiles and activities among aggregates of winter fallow and cover-cropped soil. Soil Science Society of America Journal, 66(1), 142-153, doi: 10.2136/sssaj2002.0142.

Senapati, N., A. Chabbi, F. Gastal, P. Smith, N. Mascher, B. Loubet, P. Cellier, and C. Naisse, 2014: Net carbon storage measured in a mowed and grazed temperate sown grassland shows potential for carbon sequestration under grazed system. Carbon Management, 5(2), 131-144.

Sigren, L. K., S. T. Lewis, F. M. Fisher, and R. L. Sass, 1997: Effects of field drainage on soil parameters related to methane production and emission from rice paddies. Global Biogeochemical Cycles, 11(2), 151-162, doi: 10.1029/97gb00627.

Six, J., S. M. Ogle, F. Jay breidt, R. T. Conant, A. R. Mosier, and K. Paustian, 2004: The potential to mitigate global warming with no-tillage management is only realized when practised in the long term. Global Change Biology, 10(2), 155-160, doi: 10.1111/j.1529-8817.2003.00730.x.

Skinner, R. H., and C. J. Dell, 2016: Yield and soil carbon sequestration in grazed pastures sown with two or five forage species. Crop Science, 56(4), 2035, doi: 10.2135/cropsci2015.11.0711.

Skinner, R. H., and S. C. Goslee, 2016: Defoliation effects on pasture photosynthesis and respiration. Crop Science, 56(4), 2045, doi: 10.2135/cropsci2015.12.0733.

Slobodian, N., K. Van Rees, and D. Pennock, 2002: ­Cultivation-­ induced effects on belowground biomass and organic carbon. Soil Science Society of America Journal, 66(3), 924, doi: 10.2136/sssaj2002.9240.

Smil, V., 2012: Harvesting the Biosphere: What We Have Taken from Nature. The MIT Press, 320 pp.

Smith, P., 2004: Soils as carbon sinks: The global context. Soil Use and Management, 20(2), 212-218, doi: 10.1079/sum2004233.

Sperow, M., 2016: Estimating carbon sequestration potential on U.S. agricultural topsoils. Soil and Tillage Research, 155, 390-400, doi: 10.1016/j.still.2015.09.006.

Srinivasarao, C., R. Lal, S. Kundu, and P. B. Thakur, 2015: Conservation agriculture and soil carbon sequestration. Conservation Agriculture, 479-524, doi: 10.1007/978-3-319-11620-4_19.

Staben, M. L., D. F. Bezdicek, M. F. Fauci, and J. L. Smith, 1997: Assessment of soil quality in Conservation Reserve Program and wheat-fallow soils. Soil Science Society of America Journal, 61(1), 124, doi: 10.2136/sssaj1997.03615995006100010019x.

Staricka, J. A., R. R. Allmaras, and W. W. Nelson, 1991: Spatial variation of crop residue incorporated by tillage. Soil Science Society of America Journal, 55(6), 1668, doi: 10.2136/sssaj1991.03615995005500060028x.

Statistics Canada, 2016: Livestock Estimates, January 1, 2016. [URL]

Stockmann, U., M. A. Adams, J. W. Crawford, D. J. Field, N. Henakaarchchi, M. Jenkins, B. Minasny, A. B. McBratney, V. d. R. d. Courcelles, K. Singh, I. Wheeler, L. Abbott, D. A. Angers, J. Baldock, M. Bird, P. C. Brookes, C. Chenu, J. D. Jastrow, R. Lal, J. Lehmann, A. G. O’Donnell, W. J. Parton, D. Whitehead, and M. Zimmermann, 2013: The knowns, known unknowns and unknowns of sequestration of soil organic carbon. Agriculture, Ecosystems and Environment, 164, 80-99, doi: 10.1016/j.agee.2012.10.001.

Swan, A., S. A. Williams, K. Brown, A. Chambers, J. Creque, J. Wick, and K. Paustian, 2015: COMET-Planner. Carbon and Greenhouse Gas Evaluation for NRCS Conservation Practice Planning. A companion report to www.Comet-planner.com. [URL]

Teague, R., F. Provenza, U. Kreuter, T. Steffens, and M. Barnes, 2013: Multi-paddock grazing on rangelands: Why the perceptual dichotomy between research results and rancher experience? Journal of Environmental Management, 128, 699-717, doi: 10.1016/j.jenvman.2013.05.064.

Thoma, G., J. Frank, C. Maxwell, C. East, and D. Nutter, 2011: National Scan-Level Carbon Footprint Study for Production of U.S. Swine. Minnesota Pork Congress. [URL]

Thoma, G., J. Popp, D. Nutter, D. Shonnard, R. Ulrich, M. Matlock, D. S. Kim, Z. Neiderman, N. Kemper, C. East, and F. Adom, 2013: Greenhouse gas emissions from milk production and consumption in the United States: A cradle-to-grave life cycle assessment circa 2008. International Dairy Journal, 31, S3-S14, doi: 10.1016/j.idairyj.2012.08.013.

Thornton, P. E., J.-F. Lamarque, N. A. Rosenbloom, and N. M. Mahowald, 2007: Influence of carbon-nitrogen cycle coupling on land model response to CO2 fertilization and climate variability. Global Biogeochemical Cycles, 21(GB4018), doi: 10.1029/2006gb002868.

Todd-Brown, K. E. O., J. T. Randerson, F. Hopkins, V. Arora, T. Hajima, C. Jones, E. Shevliakova, J. Tjiputra, E. Volodin, T. Wu, Q. Zhang, and S. D. Allison, 2014: Changes in soil organic carbon storage predicted by Earth system models during the 21st century. Biogeosciences, 11(8), 2341-2356, doi: 10.5194/bg-11-2341-2014.

Tubiello, F. N., J. F. Soussana, and S. M. Howden, 2007: Crop and pasture response to climate change. Proceedings of the National Academy of Sciences USA, 104(50), 19686-19690, doi: 10.1073/pnas.0701728104.

Tuong, T. P., B. A. M. Bouman, and M. Mortimer, 2005: More rice, less water–Integrated approaches for increasing water productivity in irrigated rice-based systems in Asia. Plant Production Science, 8(3), 231-241, doi: 10.1626/pps.8.231.

U.S. DOE, 2016: Billion-Ton Report: Advancing Domestic Resources for a Thriving Bioeconomy, Volume 2: Environmental Sustainability Effects of Select Scenarios from Volume 1. [R. A. Efroymson, M. H. Langholtz, K. E. Johnson, and B. J. Stokes (eds.)]. Oak Ridge National Laboratory, Oak Ridge, TN 642 pp.

U.S. EPA, 2015: Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2013. U.S. Environmental Protection Agency. [URL]

U.S. EPA, 2016: Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2014. U.S. Environmental Protection Agency. [URL]

U.S. EPA, 2018: Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2016. U.S. Environmental Protection Agency. [URL]

Ugarte, C. M., H. Kwon, S. S. Andrews, and M. M. Wander, 2014: A meta-analysis of soil organic matter response to soil management practices: An approach to evaluate conservation indicators. Journal of Soil and Water Conservation, 69(5), 422-430, doi: 10.2489/jswc.69.5.422.

USDA, 2014: Quantifying Greenhouse Gas Fluxes in Agriculture and Forestry: Methods for Entity-Scale Inventory. Technical Bulletin 1939. Office of the Chief Economist, Climate Change Program Office, U.S. Department of Agriculture.

USDA, 2016: USDA Agriculture and Forestry Greenhouse Gas Inventory: 1990-2013. Technical Bulletin 1943. [M. Baranski and S. Del Grosso (eds.)]. Office of the Chief Economist, U.S. Department of Agriculture.

USDA, 2017a: USDA Agricultural Projections to 2026. Long-Term Projections Report OCE-2017-1. Interagency Agricultural Projections Committee, 106 pp. [URL]

USDA, 2017b: World Agricultural Supply Demand Estimates. Office of the Chief Economist, U.S. Department of Agriculture.

USDA-ARS, 2016: Integrated Farm System Model. [URL]

USDA-NASS, 2012: 2012 Census of Agriculture – United States Data. United States Department of Agriculture - National Agriculture Statistic Service, Research and Development Division. [URL]

USDA-NASS, 2016: National Agricultural Statistics Service, Quick Stats 2.0. [URL]

USDA-NRCS, 2015: 2012 National Resources Inventory Summary Report. United States Department of Agriculture National Resources Conservation Service. [URL]

Valdez, Z. P., W. C. Hockaday, C. A. Masiello, M. E. Gallagher, and G. P. Robertson, 2017: Soil carbon and nitrogen responses to nitrogen fertilizer and harvesting rates in switchgrass cropping systems. Bioenergy Research, 10(2), 456-464, doi: 10.1007/s12155-016-9810-7.

van Groenigen, K. J., X. Qi, C. W. Osenberg, Y. Luo, and B. A. Hungate, 2014: Faster decomposition under increased atmospheric CO2 limits soil carbon storage. Science, 344(6183), 508-509, doi: 10.1126/science.1249534.

VandenBygaart, A. J., 2016: The myth that no-till can mitigate global climate change. Agriculture, Ecosystems and Environment, 216, 98-99, doi: 10.1016/j.agee.2015.09.013.

Verma, S. B., A. Dobermann, K. G. Cassman, D. T. Walters, J. M. Knops, T. J. Arkebauer, A. E. Suyker, G. G. Burba, B. Amos, H. Yang, D. Ginting, K. G. Hubbard, A. A. Gitelson, E. A. Walter-Shea, 2005: Annual carbon dioxide exchange in irrigated and rainfed maize-based agroecosystems. Agricultural and Forest Meteorology, 131(1-2), 77-96, doi: 10.1016/j.agrformet.2005.05.003.

Vermeulen, S. J., B. M. Campbell, and J. S. I. Ingram, 2012: Climate change and food systems. Annual Review of Environment and Resources, 37(1), 195-222, doi: 10.1146/­annurev-environ-020411-130608.

Wade, T., R. Claassen, and S. Wallander, 2015: ­Conservation-Practice Adoption Rates Vary Widely by Crop and Region, EIB-147. U.S. Department of Agriculture Economic Research Service.

Wang, W., R. C. Dalal, S. H. Reeves, K. Butterbach-Bahl, and R. Kiese, 2011: Greenhouse gas fluxes from an Australian subtropical cropland under long-term contrasting management regimes. Global Change Biology, 17(10), 3089-3101, doi: 10.1111/j.1365-2486.2011.02458.x.

Wecht, K. J., D. J. Jacob, C. Frankenberg, Z. Jiang, and D. R. Blake, 2014: Mapping of North American methane emissions with high spatial resolution by inversion of SCIAMACHY satellite data. Journal of Geophysical Research: Atmospheres, 119(12), 7741-7756, doi: 10.1002/2014jd021551.

West, T. O., and W. M. Post, 2002: Soil organic carbon sequestration rates by tillage and crop rotation: A global data analysis. Soil Science Society of America Journal, 66, 1930-1946.

Weyers, S. L., J. M. F. Johnson, and D. W. Archer, 2013: Assessment of multiple management systems in the upper midwest. Agronomy Journal, 105(6), 1665-1675, doi: 10.2134/agronj2013.0101.

Winchester, N., and J. M. Reilly, 2015: The feasibility, costs, and environmental implications of large-scale biomass energy. Energy Economics, 51, 188-203, doi: 10.1016/j.eneco.2015.06.016.

Wolf, J., T. O. West, Y. Le Page, G. P. Kyle, X. Zhang, G. J. Collatz, and M. L. Imhoff, 2015: Biogenic carbon fluxes from global agricultural production and consumption. Global Biogeochemical Cycles, 29(10), 1617-1639, doi: 10.1002/2015gb005119.

World Bank, 2016. Agricultural Land. [URL]

Ye, R., and W. R. Horwath, 2016: Nitrous oxide uptake in rewetted wetlands with contrasting soil organic carbon contents. Soil Biology and Biochemistry, 100, 110-117, doi: 10.1016/j.soilbio.2016.06.009.

Zhao, C., B. Liu, S. Piao, X. Wang, D. B. Lobell, Y. Huang, M. Huang, Y. Yao, S. Bassu, P. Ciais, J.-L. Durand, J. Elliott, F. Ewert, I. A. Janssens, T. Li, E. Lin, Q. Liu, P. Martre, C. Müller, S. Peng, J. Peñuelas, A. C. Ruane, D. Wallach, T. Wang, D. Wu, Z. Liu, Y. Zhu, Z. Zhu, and S. Asseng, 2017: Temperature increase reduces global yields of major crops in four independent estimates. Proceedings of the National Academy of Sciences USA, 114, 9326-9331, doi: 10.1073/pnas.1701762114.


  1. 4 Estimated 95% confidence interval lower and upper uncertainty bounds for agricultural GHG emissions: –11% and +18% (CH4 emissions from enteric fermentation) and –18% and +20% and –16% and +24% (CH4 and N2O emissions from manure management, respectively; U.S. EPA 2018).


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