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2017 Annual Meeting | Oct. 22-25 | Tampa, FL

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332 Nitrogen Efficiency, Cycling and Environmental Impacts

Oral Session
SSSA Division: Nutrient Management and Soil and Plant Analysis
Nitrogen Efficiency, Cycling and Environmental Impacts

Approved for NM 4.0 CEUs

Wednesday, October 25, 2017: 7:55 AM-12:10 PM
Tampa Convention Center, Room 10

Organizer:
Rao S. Mylavarapu
Moderator:
Uttam K. Saha
7:55 AM
Introductory Remarks
8:00 AM
332-1
The Effect of Urease and Nitrification Inhibitors on Soil Microbial Communities.
Aineah Obed Luchibia, University of Melbourne; Suter Helen, School of Agriculture and Food, University of Melbourne, Melbourne, Australia; Shu Kee Lam, School of Agriculture and Food, University of Melbourne, Melbourne, Australia; Ji-Zheng He, School of Agriculture and Food, University of Melbourne, Melbourne, Australia
Audio File Recorded Presentation
8:15 AM
332-2
Assessing Microbial Nitrogen Removal in Advanced Soil Treatment Areas to Reduce Septic Tank Pollution in Cape Cod.
Sara Wigginton, University of Rhode Island; Elizabeth Q Brannon, University of Rhode Island; Jose Adolfo Amador, University of Rhode Island; George Loomis, New England Onsite Wastewater Training Program; Jonathan Ludovico, University of Rhode Island; Alicia Boucher, University of Rhode Island; George Heufelder, Barnstable County Dept. of Health and Environment
8:30 AM
332-3
Resistance and Resilience of Soil Nitrogen Cycling to Environmental Stresses.
Xin Shu, University of Aberdeen; Bryan Griffiths, SRUC; Paul Hallett, University of Aberdeen; Elizabeth Baggs, University of Edinburgh; Tim Daniell, University of Sheffield
8:45 AM
332-4
Soil CH4 and N2O Fluxes in an Improved-Fallow Slash-and-Mulch Agroforestry System for One Year in Secondary Forest and One Year of Crop Cultivation in Eastern Amazonia of Brazil.
Aaron H. Joslin, University of Georgia-Athens; Lawrence A. Morris, University of Georgia-Athens; Steel Vasconcelos, Embrapa Amazonia Oriental; Osvaldo Kato, Embrapa Amazonia Oriental; Francisco de Assis Oliveira, Universidade Federal Rural da Amazonia; Daniel Markewitz, University of Georgia - Athens
Audio File Recorded Presentation
9:00 AM
332-5
Linking Anthropogenic Reactive N Release to Localized Environmental Pollution: Reactive N Spatial Intensity.
Deli Chen, The University of Melbourne; Xia Liang, The University of Melbourne; Shu Kee Lam, The University of Melbourne; Baojing Gu, Zhejiang University; James Galloway, University of Virginia; Alley Leach, University of Virginia
Audio File Recorded Presentation
9:15 AM
332-6
Maleic-Itaconic Polymers As Urease Inhibitors.
Luca Mazzei, University of Bologna; Valquiria Broll, University of Bologna; Stefano Ciurli, University of Bologna
Audio File Recorded Presentation
9:30 AM
332-7
Understanding How Much Nitrogen Used By Pasture Comes from Soil or Applied Fertiliser to Improve the Long-Term Sustainability of Australian Dryland Dairy Pasture Systems.
Helen Suter, University of Melbourne; Shu Kee Lam, The University of Melbourne; Charles Walker, Incitec Pivot Fertilizers; Deli Chen, The University of Melbourne
Audio File Recorded Presentation
9:45 AM
332-8
Effect of Soil Moisture on the Efficiency of Pre-Flood N Applications in Rice.
Dustin L. Harrell, Louisiana State University Rice Experiment Station; Gregory J. Schwab, Koch Agronomic Services, LLC; Manoch Kongchum, Louisiana State University Rice Experiment Station; Nutifafa Adotey, Louisiana State University
Audio File Recorded Presentation
10:00 AM
Break
10:10 AM
332-9
High Crop Nitrogen-Use Efficiency Does Not Translate into Low Environmental Losses in the Midwestern US.
Rafael A Martinez-Feria, Iowa State University; Michael J. Castellano, Iowa State University; Matthew J Helmers, Iowa State University; Matt Liebman, Iowa State University; Ranae Dietzel, Iowa State University; Isaiah Huber, Iowa State University; Sotirios V Archontoulis, Iowa State University
Audio File Recorded Presentation
10:25 AM
332-10
Agronomic, Environmental and Economic Benefits of Site Specific Nitrogen Management for Maize (Zea mays L.).
Aicam Laacouri, University of Minnesota - Twin Cities; David Mulla, Univeristy of Minnesota; Tyler J. Nigon, University of Minnesota; Jeffrey A. Vetsch, University of Minnesota
Audio File Recorded Presentation
10:40 AM
332-11
Legacy Effects of Long-Term Nitrogen Fertilizer Rate on Nitrogen Use Efficiency in Continuous Corn.
Hanna Poffenbarger, Iowa State University; John E. Sawyer, Iowa State University; Dan Olk, USDA-ARS; Johan Six, ETH; Michael J. Castellano, Iowa State University
Audio File Recorded Presentation
10:55 AM
332-12
Nitrogen Budget Components for Continuous Corn in the Northern Corn Belt.
Jeffrey S. Strock, University of Minnesota; Andry Ranaivoson, University of Minnesota
Audio File Recorded Presentation
11:10 AM
332-13
Site-Specific Nitrogen Response Functions for Maize in Argentina.
Laila Puntel, Iowa State University; Sotirios V Archontoulis, Iowa State University; Agustin Pagani, Clarion Inc.
Audio File Recorded Presentation
11:25 AM
332-14
Evaluating End of Season Nitrogen Status in Rice.
Kyle Hoegenauer, University of Arkansas; Trenton L. Roberts, University of Arkansas; Richard J. Norman, University of Arkansas; Nathan A. Slaton, University of Arkansas; Jarrod T Hardke, University of Arkansas, Cooperative Extension Service
11:40 AM
332-15
Management Zone Based Variable Rate Nitrogen Management for Corn in Semi-Arid Western Nebraska.
Timothy M. Shaver, University of Nebraska - Lincoln; Raj Khosla, Colorado State University; D. Brian Arnall, Oklahoma State University; Louis Lonchamps, Colorado State University
Audio File Recorded Presentation
11:55 AM
332-16
N-Uptake and Yields in Spring Wheat Affected By Waterlogging at Different Growth Stages.
Majken Meldorf Deichmann, AU; Xiao Wang, Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture, Nanjing Agricultural University, P. R. China; Christen Duus Borgesen, Aarhus University , Denmark; Mathias Neumann Andersen, Aarhus University; Ingrid Kaag Thomsen, Aarhus University
Audio File Recorded Presentation
12:10 PM
Adjourn
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