Thank you for your interest in the COMET-Farm tool!

Please contact us via the help desk or send an email to with any questions or comments or for any training requests.

New features and enhancements to COMET-Farm!
30 September 2020

  • Updated the livestock module to allow multi-year livestock modeling and herd/flock-level reporting. Users may now compare an inventory of animal agriculture greenhouse gas emissions in a baseline period vs a future conservation scenario, and account for changes over time in herd/flock size, manure management, and feed rations.
  • Updated the database proxy server from nHibernate to Entity Framework, to improve the user experience and increase system performance.
  • Added capacity to the cropland & grazing module to conduct model runs in Hawaii, using the IPCC Tier 2 methods described in the USDA Methods Document.
  • Added a help desk for the COMET Tools and a new training calendar, while expanding and improving the library of support resources available for users.
  • Published the source code for the DayCent model used in COMET-Farm to GitLab, accessible from the help page.
  • Added links in the help page for the COMET-Farm API Gitlab Repository.
  • Minor defect repairs.
  • Feature changes/adjustments to improve the user experience.

The COMET-Farm™ Team

Upcoming Features

Your session timed out. Please sign in to continue.