296 Nitrogen-Use Efficiency, Nitrogen Leaching, and Nitrous Oxide Emissions As Influenced by Management Practices: II

Poster Session
S06 Soil & Water Management & Conservation Nitrogen fertilizer has been increasingly used to increase crop yields in the last several decades. As a result, N leaching and N2O emissions (a potent greenhouse gas) also increased with increased N rates. For sustaining crop yields, reducing N fertilization rates, and improving environmental quality, novel management practices are needed to increase N-use efficiency and reduce N leaching and N2O emissions. This session will evaluate the effect of management practices, such as tillage, crop rotation, N fertilization, cover cropping, manure application, etc. on N-use efficiency, N leaching, and N2O emissions.


Soil & Water Management & Conservation
Tuesday, October 23, 2012: 2:00 PM-4:00 PM
Duke Energy Convention Center, Exhibit Hall AB, Level 1

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Upendra Sainju
Poster #1722
Mapping the Risk of Nitrate Leaching From Irrigated Fields by Use of a Nitrate Hazard Index: Case Study in the San Joaquin Valley of California.
G. Stuart Pettygrove, University of California; Kristin Dzurella, University of California; Anna Fryjoff-Hung, University of California; Allan Hollander, University of California
Poster Presentation
  • Poster296-1.pdf (6.5 MB)
  • Poster #1723
    Tillage and Soil Moisture Content Effects On Sensor Based Soil Organic Matter Determination.
    Brian J. Wienhold, USDA-ARS; Gary E. Varvel, USDA-ARS
    Poster Presentation
  • Wienhold SSSA 2012.pdf (1.1 MB)
  • Poster #1725
    Quantifying the Effects of Soil Salinity and Carbon Availability On Nitrous Oxide Emissions.
    Namratha Reddy, University of California, Riverside; David Crohn, University of California, Riverside
    Poster #1726
    Do Cover Crops and Historical Fertilizer Rate Affect Nitrous Oxide Emissions From Soybean As Well As Maize?.
    David C. Mitchell, Iowa State University; Michael J. Castellano, Iowa State University; John E. Sawyer, Iowa State University; Fernando Miguez, Iowa State University; Jose L. Pantoja, Iowa State University
    Poster Presentation
  • ASA-CSSA-SSSA 2012 poster.pdf (123.8 kB)
  • Poster #1727
    Nitrogen and Water Use Effectiveness in Cotton-Based Cropping Systems.
    Gueorgui Anguelov, University of Florida, IFAS; David Wright, University of Florida; James Marois, University of Florida, IFAS
    Poster #1728
    Nitrous Oxide Emissions From Bioenergy Feedstocks.
    Tracy Wilson, Oklahoma State University; Andrew Whitaker, Oklahoma State University; Sumit Sharma, Oklahoma State University; Alexandra Cumbie, Oklahoma State University; Tyson Ochsner, Oklahoma State University; Vijaya Gopal Kakani, Oklahoma State University; Jason Warren, Oklahoma State University
    Poster Presentation
  • SSSA 2012TW.pdf (1.4 MB)
  • Poster #1729
    Topographic Effects On Denitrifcation in Drained Agricultural Fields.
    Jarrod Miller, USDA-ARS; Megan Lang, USDA-ARS; Gregory McCarty, Hydrology % Remote Sensing Lab.; Patrick Hunt, USDA-ARS
    Poster #1730
    Soil Management Techniques for High Quality Cucumber Cultivation in Plastic Film Greenhouse.
    Byung Hyun, National Academy of Agricultural Science, RDA; Yeon-Kyu Sonn, National Academy of Agricultural Science; Chan-Won Park, National Academy of Agricultural Science; Kwan-Cheol Song, National Academy of Agricultural Science; Hyeon-Jung Jeon, National Academy of Agricultural Science; Yong-Hee Moon, National Academy of Agricultural Science; Myung-Sook Kim, National Academy of Agricultural Science
    Poster Presentation
  • poster(bkhyun)-01.pdf (1.3 MB)