GC069
Quantifying Nutrient Budgets for Sustainable Nutrient Management

Session ID#: 81780

Session Description:
Nutrients, such as nitrogen (N) and phosphorus (P), are critical for net primary productivity in agricultural and non-agricultural ecosystems, and are consequently important for food security and climate change mitigation. However, rising nutrient inputs to agricultural production and to the biosphere have severe environmental consequences. Quantifying nutrient budgets, including inputs and outputs of a defined system or a spatial boundary, is an essential step towards sustainable nutrient management, and also provides critical inputs to agronomic, biogeochemical, and climate models. Therefore, this session calls for research efforts on quantifying, analyzing, and/or projecting nutrient budgets on various system levels (e.g., crop and livestock production systems, integrated agro-food systems, natural systems subject to atmospheric deposition) and spatial scales (e.g., farms, watersheds, nations). This session aims to provide an opportunity to assess advances and challenges in existing nutrient budgeting methods and databases, and to discuss innovations for better quantification of nutrient budgets.
Co-Organized:
  • B - Biogeosciences
Co-Sponsor(s):
  • ESA: Ecological Society of America -
  • SSSA: Soil Science Society of America -
Index Terms:

0402 Agricultural systems [BIOGEOSCIENCES]
0470 Nutrients and nutrient cycling [BIOGEOSCIENCES]
1615 Biogeochemical cycles, processes, and modeling [GLOBAL CHANGE]
1630 Impacts of global change [GLOBAL CHANGE]

Primary Convener:  Eric A Davidson, University of Maryland Center for Environmental Science Appalachian Laboratory, Frostburg, MD, United States
Conveners:  Xin Zhang, University of Maryland Center for Environmental Science Appalachian Laboratory, Frostburg, MD, United States, Jill Baron, US Geological Survey, John Wesley Powell Center for Analysis and Synthesis, Fort Collins, CO, United States and Katherine Lynn Tully, University of Maryland College Park, Plant Science and Landscape Architecture, College Park, MD, United States
Primary Liaison:  Eric A Davidson, University of Maryland Center for Environmental Science Appalachian Laboratory, Frostburg, MD, United States
 
Nitrogen budget of a forest-urban-agricultural Canada-USA transboundary watershed (Invited) (486356)
Jiajia Lin, National Academy of Sciences, Corvallis, OR, United States, Jana Compton, U.S. Environmental Protection Agency Corvallis, Western Ecology Division, Freshwater Ecology Branch, Corvallis, OR, United States, Chris Clark, Whatcom Conservation District, Lynden, WA, United States, Shabtai Bittman, Agriculture and Agri-Food Canada, Agassiz, BC, Canada, Donna B Schwede, Environmental Protection Agency Research Triangle Park, Durham, NC, United States, Peter Homann, Western Washington University, Bellingham, WA, United States, Peter Kiffney, Northwest Fisheries Science Center, Seattle, WA, United States, David U Hooper, Western Washington Univ, Bellingham, WA, United States, Gary Bahr, National Resources Assessment, WA Department of Agriculture, Olympia, WA, United States and Jill Baron, US Geological Survey, John Wesley Powell Center for Analysis and Synthesis, Fort Collins, CO, United States
 
Sustainable nutrient management for Medical cannabis (Cannabis sativa L.) cultivation (486634)
Nirit Bernstein, Agricultural Research Organization, Volcani Center, Sitriya, Israel
 
Improving Nitrogen Balance with Irrigation Practice and Cropping System (486789)
Upendra M Sainju, USDA Agricultural Research Service New England Plant, Soil and Water Research Laboratory, East Wareham, MA, United States
 
Phosphorus sources and transport budgets in a headwater catchment with rapid agricultural expansion (488912)
Wangshou Zhang and Hengpeng Li, Nanjing Institute of Geography & Limnology, Chinese Academy of Sciences, Nanjing, China
 
Nitrogen budgets and farm size effects on agricultural nitrogen cycle in China (492714)
Baojing Gu1, Yiyun Wu1, Peter Vitousek2 and Deli Chen3, (1)Zhejiang University, Hangzhou, China, (2)Stanford University, Biological Sciences, Stanford, CA, United States, (3)University of Melbourne, Parkville, VIC, Australia
 
Biennial GHG budget of a riparian forest: From soil and tree-stem to ecosystem level (498592)
Ulo Mander1, Thomas Schindler1, Alisa Krasnova1, Katerina Machacova2, Jaan Pärn1 and Kaido Soosaar1, (1)University of Tartu, Department of Geography, Tartu, Estonia, (2)Global Change Research Institute CAS, Department of Ecosystem Trace Gas Exchange, Brno, Czech Republic
 
Predicting greenhouse gas benefits of improved nitrogen fertilizer management in North American maize (Zea mays L.) production (498690)
Christina Tonitto, Cornell University, College of Agriculture and Life Sciences, Ithaca, NY, United States, Peter Woodbury, Cornell University, Soil & Crop Sciences, Ithaca, NY, United States and Elizabeth K Carter, Cornell University, Biological and Environmental Engineering, Ithaca, United States
 
Promise and problems of real-time nitrate monitoring for watershed N budgets (500742)
David U Hooper1, Nichole Embertson2, Richard W Sheibley3, Craig Senter3, Jana Compton4, Jiajia Lin5, Peter Homann6 and Shabtai Bittman7, (1)Western Washington Univ, Bellingham, WA, United States, (2)Whatcom Conservation District, Lynden, WA, United States, (3)USGS Washington Water Science Center, Tacoma, WA, United States, (4)U.S. Environmental Protection Agency Corvallis, Western Ecology Division, Freshwater Ecology Branch, Corvallis, OR, United States, (5)Environmental Protection Agency Corvallis, Western Ecology Division, Corvallis, United States, (6)Western Washington University, Bellingham, WA, United States, (7)Agriculture and Agri-Food Canada, Agassiz, BC, Canada
 
Climate change effects and economic damage of gaseous reactive nitrogen from China’s cropland at city-level (501263)
Peng Xu1, Shengji Luan2, Zhuyu Xu2 and Yi Zheng3, (1)Shenzhen, guangdong, China, (2)Peking University Shenzhen Graduate School, Shenzhen, China, (3)Peking University, College of Engineering, Beijing, China
 
The legacy of Brachiaria as a covercrop on soil nitrification, nitrous oxide emission and nitrogen use efficiency of maize (512082)
Lucas Pecci Canisares1, Letusa Momesso2, Ciro Antonio Rosolem2, Carlos Alexandre Costa Crusciol2, Daniel Villegas3, Jacobo Arango3 and Heitor Cantarella1, (1)Agronomic Institute of Campinas (IAC), Campinas, Brazil, (2)São Paulo State University, College of Agricultural Science, Botucatu, Brazil, (3)International Center for Tropical Agriculture (CIAT), Cali, Colombia
 
Closing the Carbon and Nitrogen budget of a rapeseed field: Measurements, uncertainties and data gap-filling (515276)
Jordi Escuer-Gatius1, Merrit Shanskiy2, Ulo Mander3, Krista Lõhmus4, Karin Kauer2, Hanna Vahter4, Alar Astover2 and Kaido Soosaar3, (1)Tartu, Tartumaa, Estonia, (2)Estonian University of Life Sciences, Tartu, Estonia, (3)University of Tartu, Department of Geography, Tartu, Estonia, (4)University of Tartu, Tartu, Estonia
 
Inventory of Nitrogen Inputs to Chinese Seas for the Period 1970-2010 (515714)
Junjie Wang1, Jie Zhang2, Xiaochen Liu3, Arthur Beusen4, Qingzhen Yao1, Bochao Xu1, Xiangbin Ran5, Lex Bouwman6 and Zhigang Yu7, (1)Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, China, (2)Key Laboratory for Geo-Environmental Monitoring of Coastal Zone of the Ministry of Natural Resources & Guangdong Key Laboratory of Urban Informatics, Shenzhen, China, (3)Utrecht University, Earth Sciences- Geochemistry,, Utrecht, Netherlands, (4)Netherlands Environmental Assessment Agency, The Hague, Netherlands, (5)First Institute of Oceanography, Ministry of Natural Resources, Qingdao, China, (6)Netherlands Environmental Assessment Agency, Bilthoven, Netherlands, (7)Ocean University of China, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Qingdao, China
 
Aquaculture production is a large, spatially concentrated source of nutrients in Chinese freshwater and coastal seas (515759)
Lex Bouwman, Netherlands Environmental Assessment Agency, Bilthoven, Netherlands, Junjie Wang, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, China; Utrecht University, Earth Sciences - Geochemistry, Utrecht, Netherlands, Xiaochen Liu, Utrecht University, Earth Sciences- Geochemistry,, Utrecht, Netherlands and Arthur Beusen, Netherlands Environmental Assessment Agency, Department of Information, Data and Methodology, Bilthoven, Netherlands; Department of Earth Sciences, Utrecht University, Utrecht, Netherlands
 
Investigation of Gross Nitrogen Transformation Rates in a Series of Wetlands Under Different Management Regimes (518809)
Casey D Kennedy, USDA Agricultural Research Service New England Plant, Soil and Water Research Laboratory, East Wareham, MA, United States and Benjamin R Hoekstra, University of Massachusetts Amherst, East Wareham, United States
 
Nitrogen use efficiencies in a grassland ecosystem using 15N-stable isotope probing approaches (520768)
Michaela Reay, University of Bristol, Bristol, BS8, United Kingdom, Karina Marsden, Bangor University, Bangor, United Kingdom, Davey Jones, Bangor University, Environment Centre Wales, Bangor, United Kingdom and Richard P Evershed, University of Bristol, School of Chemistry, Bristol, United Kingdom
 
Understanding Long Term Trends in Nitrogen and Phosphorus Input-Output Balances in the Yakima River Basin Watershed from 1945 to 2012 (546133)
Samantha Grieger and John Harrison, Washington State University Vancouver, School of the Environment, Vancouver, WA, United States
 
Adapting Nutrient Management for Pasture-based and Organic Dairies in North Coastal California (550617)
David Lewis, University of California Division of Agriculture and Natural Resources, Davis, CA, United States, Deanne Meyer, University of California Davis, Animal Science, Davis, United States and Randi Black, University of California Division of Agriculture and Natural Resources, Davis, United States
 
Regional Nitrogen fluxes, an analysis for Latin America (555747)
Jean Pierre Ometto1, Felipe Siqueira Pacheco Sr2, Graciela Tejada3, Luciene Gomes4, Gisleine da Silva Cunha Zeri2, Camille Nolasco Ms.3, Mariana Souza3, Carla Roberta Goncalves Reis5, Jalusa Aparecida de Léo Palandi Mrs6 and Maria Cristina Forti7, (1)INPE National Institute for Space Research, Earth System Science Center, Sao Jose dos Campos, Brazil, (2)INPE National Institute for Space Research, Earth System Science Centre, Sao Jose dos Campos, Brazil, (3)INPE National Institute for Space Research, CCST, Sao Jose dos Campos, Brazil, (4)University of Leeds, Leeds, United Kingdom, (5)National Institute for Space Research (INPE) (Nnet, IAI/CRN3005), Sao Jose dos Campos, Brazil, (6)INPE National Institute for Space Research, Sao Jose dos Campos, Brazil, (7)INPE National Institute for Space Research, Earth System Science Center, São José dos Campos, Brazil
 
Nitrogen Leaching From California's Central Valley Irrigated Lands: A Multi-scale Modeling Study (558292)
Iael Raij Hoffman, University of California Davis, Land Air and Water Resources, Davis, CA, United States, Thomas Harter, University California Davis, Land, Air, and Water Resources, Davis, CA, United States and Isaya Kisekka, University of California Davis, Land Air and Water Resource/ Biological and Agricultural Engineering, Davis, CA, United States
 
Upcycling phosphorus recovered from anaerobically digested dairy manure to support production of vegetables and flowers (563738)
Katherine Porterfield1, Joshua W Faulkner2, Deborah A. Neher1, Mike Curtis3, Steve Dvorak4, Robert Joblin5 and Eric D. Roy6, (1)University of Vermont, Burlington, United States, (2)University of Vermont, Colchester, VT, United States, (3)CDT Tech, Inc., Southington, United States, (4)DVO, Inc., Chilton, United States, (5)Magic Dirt Horticultural Products, LLC., Little Rock, United States, (6)University of Vermont, Rubenstein School of Environment and Natural Resources, Burlington, VT, United States
 
Half-century history of crop nitrogen budget and nitrogen use efficiency in the conterminous United States: Variations over time, space and crop types (Invited) (567647)
Chaoqun Lu1, Jien Zhang2, Peiyu Cao1 and Jerry Hatfield3, (1)Iowa State University, Ames, IA, United States, (2)Iowa State University, Ecology, Evolution, and Organismal Biology, Ames, IA, United States, (3)USDA-ARS, National Laboratory for Agriculture and the Environment, Ames, IA, United States
 
Yield Stability Predicts Reactive Nitrogen Losses in the U.S. Midwest (569770)
Bruno Basso1, Guanyuan Shuai1, Jinshui Zhang1 and Philip Robertson2, (1)Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States, (2)Michigan State University, Hickory Corners, MI, United States
 
Spatial and Crop-wise Distribution of Reactive Nitrogen Loss Intensity for Global Croplands (583680)
Xia Liang1, Deli Chen1, Xin Zhang2, Baojing Gu3 and Shu Kee Lam4, (1)University of Melbourne, Parkville, VIC, Australia, (2)University of Maryland Center for Environmental Science Appalachian Laboratory, Frostburg, MD, United States, (3)Zhejiang University, Hangzhou, China, (4)University of Melbourne, Faculty of Veterinary and Agricultural Sciences, Parkville, VIC, Australia
 
Quantifying Past and Future Nitrogen Sources to the Chesapeake Bay Watershed (583923)
Douglas A Burns, USGS New York Water Science Center Troy, Troy, NY, United States, Paul D Capel, USGS Headquarters, Reston, VA, United States, Andrew Sekellick, USGS Maryland/Delaware/District of Columbia Water Science Center, Baltimore, MD, United States, John Clune, U.S. Geological Survey, Williamsport, PA, United States, Peter Claggett, U.S. Geological Survey, Reston, VA, United States, Silvia Terziotti, USGS North Carolina Water Science Center, Raleigh, NC, United States, Jessica Hopple, USGS New Jersey Water Science Center, Lawrenceville, NJ, United States, Gopal Bhatt, Penn State University, University Park, PA, United States, Perry M. Jones, USGS Minnesota Water Science Center, Mounds View, MN, United States, Lewis Linker, US EPA Chesapeake Bay Program Office, 410 Severn Avenue, Annapolis, MD, United States and Richard A Smith, United States Geological Survey (USGS), Reston, VA, United States
 
The trade-offs of importing crops to meet domestic demand in China (584325)
Guorui Huang1, Guolin Yao2, Jing Zhao2, Matthew D. Lisk2, Chaoqing Yu1 and Xin Zhang2, (1)Tsinghua University, Department of Earth System Science, Beijing, China, (2)University of Maryland Center for Environmental Science Appalachian Laboratory, Frostburg, MD, United States
 
Global Manure Phosphorus Production during 1960–2016: a 5-arcminute Gridded Global Dataset for Earth System Modeling (586910)
Bowen Zhang, Ball State University, Department of Environment, Geology, and Natural Resources, Muncie, IN, United States and Hanqin Tian, Auburn University, International Center for Climate and Global Change Research and School of Forestry and Wildlife Sciences, Auburn, AL, United States
 
Mitigating Reactive Nitrogen Loss and Associated Environmental Damage: Opportunities from Changes in Production and Consumption in China (587118)
Yixin Guo1, Youfan Chen2, Pan He3, Mi Zhou2, Junnan Yang1, Da Pan4, Liang Wu5, Marco Springmann6, Zhenling Cui5, Weifeng Zhang5, Fusuo Zhang5, Lin Ma7, Yele Sun8, Xin Zhang9, Timothy Searchinger1, Lin Zhang2 and Denise L Mauzerall1, (1)Princeton University, Woodrow Wilson School, Princeton, NJ, United States, (2)Peking University, Department of Atmospheric and Oceanic Sciences, Beijing, China, (3)Department of Earth System Science, Tsinghua University, Beijing, China, (4)Princeton University, Civil and Environmental Engineering, Princeton, NJ, United States, (5)CAU China Agricultural University, Beijing, China, (6)Oxford Martin Program on the Future of Food and Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom, (7)Center for Agricultral Resources Research, CAS, Shijiazhuang, China, (8)Institute of Atmospheric Physics, Chinese Academy of Sciences, State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Beijing, China, (9)University of Maryland Center for Environmental Science Appalachian Laboratory, Frostburg, MD, United States
 
Impacts of N-stabilizers and N-fixing microorganisms on agronomic and environmental components of N budgets in an irrigated coarse-textured soil (587855)
Emerson Souza, University of Minnesota, Department of Soil, Water, and Climate, St. Paul, MN, United States, Carl J Rosen, University of Minnesota Twin Cities, Department of Soil, Water, and Climate, St. Paul, MN, United States and Rodney T Venterea, USDA/ARS-Soil & Water Mgmt, Saint Paul, MN, United States; University of Minnesota, Soil, Water and Climate, Saint Paul, MN, United States
 
Nitrogen in the Chesapeake Bay Watershed: A Century of Change, 1950 – 2050 (594668)
John Clune1, Paul D Capel2, Matthew P Miller3, Douglas A Burns4, Richard A Smith5, Peter Claggett6, Jeffrey P Raffensperger7, Joel Blomquist8, Rosemary Fanelli9, Silvia Terziotti10, Ana Maria Garcia10, Richard A Coupe11, Gary Shenk12, Lewis Linker13, John Karl Bohlke14, Jeni Keisman15, Gopal Bhatt16, Andrew Sekellick8, Qian Zhang17, Kristina Hopkins18, Alexander M. Soroka19 and Jesse O Bash20, (1)U.S. Geological Survey, Williamsport, PA, United States, (2)USGS Headquarters, Reston, VA, United States, (3)United States Geological Survey (USGS), Salt Lake City, UT, United States, (4)USGS, Troy, NY, United States, (5)United States Geological Survey (USGS), Reston, VA, United States, (6)U.S. Geological Survey, Reston, VA, United States, (7)U.S. Geological Survey, Baltimore, MD, United States, (8)USGS Maryland/Delaware/District of Columbia Water Science Center, Baltimore, MD, United States, (9)US Geological Survey, Baltimore, United States, (10)USGS North Carolina Water Science Center, Raleigh, NC, United States, (11)Retired USGS, Ocean Springs, MS, United States, (12)USGS, Chesapeake Bay Program, Annapolis, MD, United States, (13)US EPA Chesapeake Bay Program Office, 410 Severn Avenue, Annapolis, MD, United States, (14)USGS, 431 National Center, Reston, VA, United States, (15)U.S. Geological Survey, Maryland-Delaware-District of Columbia Water Science Center, Baltimore, MD, United States, (16)Penn State University, University Park, PA, United States, (17)Environmental Protection Agency Chesapeake Bay Program, Annapolis, United States, (18)US Geological Survey, Raleigh, United States, (19)U.S. Geological Survey, Baltimore, United States, (20)U.S. Environmental Protection Agency, Durham, NC, United States
 
Potassium Transport through Paddy Soils under Alternate Wetting and Drying Irrigation Practice (596665)
Shashank Shekhar1, Damodhara Rao Mailapalli1 and Narendra Singh Raghuwanshi2, (1)Indian Institute of Technology Kharagpur, Kharagpur, India, (2)Indian Institute of Technology Kharagpur, Agricultural and Food Engineering, Kharagpur, India
 
Managing the phosphorus in China coastal seas (602955)
Jie Zhang1, Junjie Wang2, Arthur Beusen3, Xiaochen Liu4, Guofeng Wu5, Lex Bouwman6 and Qingquan Li5, (1)Shenzhen University, Key Laboratory of Geo-Environmental Monitoring of Coastal Zone of the Ministry of Natural Resources, Shenzhen, China, (2)Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, China, (3)Netherlands Environmental Assessment Agency, The Hague, Netherlands, (4)Utrecht University, Earth Sciences- Geochemistry,, Utrecht, Netherlands, (5)Shenzhen University, Key Laboratory for Geo-Environmental Monitoring of Coastal Zone of the Ministry of Natural Resources, Shenzhen, China, (6)Netherlands Environmental Assessment Agency, Bilthoven, Netherlands
 
Fates and use efficiency of nitrogen fertilizer in maize cropping systems and their responses to nutrient management practices: a global analysis on field 15N tracer studies (614091)
Zhi Quan1, Xin Zhang2, Feifei Zhu1, Shanlong Li1, Xinghan Zhao1, Xin Chen1, Limei Zhang3, Jizheng He3, Wenxue Wei4 and Yunting Fang1, (1)Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China, (2)University of Maryland Center for Environmental Science Appalachian Laboratory, Frostburg, MD, United States, (3)Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing, China, (4)Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
 
Global nitrogen-use efficiency in terms of food nutrition (614693)
Rémi St-Gelais, McGill University, Department of Geography, Montreal, Canada, Graham MacDonald, McGill University, Department of Geography, Montreal, QC, Canada, Luis Lassaletta, Universidad Politécnica de Madrid, CEIGRAM/Agricultural Production, Madrid, Spain and Verena Seufert, Vrije Universiteit Amsterdam, Environmental Geography, Amsterdam, Netherlands
 
Assessment of nitrogen balance and benchmarks for sustainable N management in the main cropping systems of China (620333)
Chong Zhang1, Xiaotang Ju1, David Powlson2, Oene Oenema3 and Pete Smith4, (1)China Agricultural University, College of Resources and Environmental Sciences, Beijing, China, (2)Rothamsted Research, Department of Sustainable Agriculture Sciences, Harpenden, United Kingdom, (3)Wageningen University, Department of Soil Quality, Wageningen, Netherlands, (4)University of Aberdeen, Institute of Biological and Environmental Sciences, Aberdeen, United Kingdom
 
Estimating greenhouse gas emission offsets with nitrogen fertilizer reductions in grass seed crops in the Southern Willamette Valley, Oregon, USA (622217)
Jennifer L Morse, Portland State University, Portland, OR, United States and Trevor D Williams, Portland State University, Portland, United States
 
Enhanced Efficiency Nitrogen Fertilizer: Potential Impacts on Crop Yield and Groundwater in Tall Fescue Fields of the Southern Willamette Groundwater Management Area, Oregon, USA. (622651)
Trevor Williams, Portland State University, Environmental Science, Portland, OR, United States, Jacob Z. Derksen, Oregon State University, Corvallis, United States, Jana Compton, U.S. Environmental Protection Agency Corvallis, Western Ecology Division, Freshwater Ecology Branch, Corvallis, OR, United States and Jennifer L Morse, Portland State University, Portland, OR, United States
 
Credit System to Solve Agriculture Induced Nitrogen Pollution Globally (628240)
Deli Chen, University of Melbourne, Parkville, VIC, Australia, Baojing Gu, Zhejiang University, Hangzhou, China, Hans Van Grinsven, Netherlands Environmental Assessment Agency, Bilthoven, Netherlands, Shu Kee Lam, University of Melbourne, Faculty of Veterinary and Agricultural Sciences, Parkville, VIC, Australia, Oene Oenema, Wageningen University, Department of Soil Quality, Wageningen, Netherlands and Mark A Sutton, NERC Natural Environment Research Council, Swindon, United Kingdom
 
Consequences of Extreme Rainfall Patterns on Nitrous Oxide Fluxes in Midwest Cropping Systems (631063)
Kathryn Glanville, Michigan State University, East Lansing, MI, United States and Philip Robertson, Michigan State University, Hickory Corners, MI, United States
 
Soil phosphorus management for food and water security in cold agricultural regions (631920)
Jian Liu, University of Saskatchewan, School of Environment and Sustainability & Global Institute for Water Security, Saskatoon, SK, Canada, Helen M Baulch, Univ of Saskatchewan, Saskatoon, SK, Canada, Jane A Elliott, Environment and Climate Change Canada, Saskatoon, SK, Canada, Don Flaten, University of Manitoba, Department of Soil Science, Winnipeg, MB, Canada, Merrin L Macrae, University of Waterloo, Waterloo, ON, Canada and Henry F Wilson, Agriculture and Agri-Food Canada, Brandon, MB, Canada
 
Production and application of manure nitrogen and phosphorus in the continental U.S. during 1860-2017 (632425)
Zihao Bian1, Hanqin Tian1, Rongting Xu1, Shufen Pan1, Qichun Yang2 and Bowen Zhang3, (1)Auburn University, International Center for Climate and Global Change Research and School of Forestry and Wildlife Sciences, Auburn, AL, United States, (2)Joint Global Change Research Institute, College Park, MD, United States, (3)Ball State University, Department of Environment, Geology, and Natural Resources, Muncie, IN, United States
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