B012
Agricultural Systems: Links Between Hydrology and Biogeochemical Cycling I

Monday, 7 December 2020: 17:30-18:30
Virtual
Primary Convener:  Benjamin Runkle, University of Arkansas, Fayetteville, AR, United States
Conveners:  Erin M Haacker, University of Nebraska Lincoln, Earth and Atmospheric Sciences, Lincoln, NE, United States, Arlene Adviento-Borbe, USDA-ARS, Jonesboro, United States and Kosana Suvocarev, University of California Davis, Land Air Water Resources, Davis, United States
Primary Liaison:  Erin M Haacker, University of Nebraska Lincoln, Earth and Atmospheric Sciences, Lincoln, NE, United States
Chairs:  Kosana Suvocarev, University of California Davis, Land Air Water Resources, Davis, United States and Erin M Haacker, Michigan State University, Department of Geological Sciences, East Lansing, MI, United States
OSPA Liaison:  Kosana Suvocarev, University of California Davis, Land Air Water Resources, Davis, United States
17:30
Into the Deep: Effects of Agricultural Management on Deep Soil Carbon Dioxide (711788)
Summer Lockhart1, C Kent Keller1, Lynne A Carpenter-Boggs2, David Rhys Huggins3, Raymond David Evans4 and Alexander K Fremier1, (1)Washington State University, School of the Environment, Pullman, WA, United States, (2)Washington State University, Crop and Soil Sciences, Pullman, United States, (3)USDA-ARS, Northwest Sustainable Agro-ecosystems Research Unit, Pullman, WA, United States, (4)Washington State University, School of Biological Sciences, Pullman, WA, United States
17:34
Impacts of circular agriculture-sanitation systems on hydrological and biogeochemical processes (Invited) (670912)
Rebecca Ryals, University of California Merced, School of Natural Resources, Merced, CA, United States, Katherine Porterfield, University of Vermont, Burlington, VT, United States, Steven Heisey, University of Hawaii at Mānoa, Honolulu, United States and Sasha B Kramer, Sustainable Organic Integrated Livelihoods, Cap Haitien, Haiti
17:38
Instantaneously Identifying Biological Sources of Nitrous Oxide Flux from Agricultural Soils via Position Specific Nitrogen Stable Isotope Compositions (682645)
Milica Radanovic1,2, David Huggins3, Benjamin Harlow4, Kent Keller5, Tarah S Sullivan6 and Raymond David Evans1,2, (1)Washington State University, School of Biological Sciences, Pullman, WA, United States, (2)Washington State University, WSU Stable Isotope Research Facility, Pullman, WA, United States, (3)USDA-ARS Plains Area, Northwest Sustainable Agroecosystems Research, Pullman, WA, United States, (4)Washington State University, Stable Isotope Research Facility, Pullman, WA, United States, (5)Washington State University, School of the Environment, Pullman, United States, (6)Washington State University, Department of Crop and Soil Sciences, Pullman, United States
17:42
Intercropping of Maize and the topical grass Brachiaria humidicola alters soil respiration and nitrous oxide emissions through changes in exudate quantity and composition (735454)
Lucas Pecci Canisares1,2, Monica T. V. Labate3, Carlos A Labate3, Heitor Cantarella1 and Eoin Brodie4, (1)Agronomic Institute of Campinas (IAC), Campinas, Brazil, (2)Lawrence Berkeley National Laboratory, Berkeley, United States, (3)USP University of Sao Paulo, São Paulo, Brazil, (4)Lawrence Berkeley National Laboratory, Berkeley, CA, United States
17:46
Estimation of ammonia and nitrous oxide emissions from turfgrass systems using a dynamic chamber method and a biogeochemical modeling framework (714635)
Alberth Nahas1, John T Walker2, Fred Yelverton3 and Viney P Aneja1, (1)North Carolina State University Raleigh, Department of Marine, Earth, and Atmospheric Sciences, Raleigh, NC, United States, (2)United States Environmental Protection Agency, Office of Research and Development, Research Triangle Park, NC, United States, (3)North Carolina State University Raleigh, Department of Crop and Soil Sciences, Raleigh, NC, United States
17:50
The nitrogen cycle across topography: insights from natural abundance nitrate isotopes (768716)
Nate Lawrence, Carlos G Tenesaca, Andy VanLoocke and Steven J Hall, Iowa State University, Ames, IA, United States
17:54
The fate of 15N fertilizer and nitrate leaching losses in perennial wheat (Thinopyrum intermedium) versus annual wheat (Triticum aestivum) (701093)
Alexandra Huddell1, Timothy Crews2, Duncan Menge1 and Maria Ernfors3, (1)Columbia University, New York, NY, United States, (2)The Land Institute, Salina, KS, United States, (3)SLU Swedish University of Agricultural Sciences Alnarp, Alnarp, Sweden
17:58
Managing agricultural nitrogen loss to restore air and water quality in the United States (750098)
Rongting Xu1, Hanqin Tian2, Yongfa You2, Zihao Bian2, Shufen Pan2, Yuanzhi Yao2 and Hao Shi2, (1)Auburn University, Auburn, AL, United States, (2)Auburn University, International Center for Climate and Global Change Research and School of Forestry and Wildlife Sciences, Auburn, AL, United States
18:02
Discussion
See more of: Biogeosciences