Icon for: Ashley Hammac


Washington State University
Years in Grad School: 3
Judges’ Queries and Presenter’s Replies
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Presentation Discussion
  • Icon for: Jenny Knoth

    Jenny Knoth

    Graduate Student
    May 23, 2012 | 01:59 a.m.

    This is needed work. I suspect the soil types and associated microbial communities will influence the NOx emmissions – how are you dealing with these variables in the LCA?

  • Icon for: Ashley Hammac

    Ashley Hammac

    Lead Presenter
    May 24, 2012 | 12:23 p.m.

    Our LCA calculations only consider greenhouse gases so no NOx. Current work is being done in the Pacific Northwest to include other pollutants in biodiesel LCA but I’m not sure if NOx is one being considered.

  • Icon for: Tabitha Brown

    Tabitha Brown

    Graduate Student
    May 24, 2012 | 11:47 a.m.

    Interesting research and well designed poster. Could you clarify that the emissions in Table 1 are for a 20 year period. I would like to put the emissions on an annual basis to compare to numbers that I have seen in the literature for cereal based cropping systems under different management.

  • Icon for: Ashley Hammac

    Ashley Hammac

    Lead Presenter
    May 24, 2012 | 12:22 p.m.

    Table 1 reflects calculations for annual emissions. Figure 2 represents annual numbers accumulated over 20 years.

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