Tufts OpenCourseware
Authors: Kathleen Merrigan, Ph.D., William Lockeretz, Ph.D.


David Pimentel, State of Science Review, forthcoming from The Organic Center

Review materials at http://www.eere.energy.gov/biomass/biomass_policy.html

Key Questions

State of Science Review

Compare the conventional and organic systems for:

  • yield levels during the transition period
  • yield levels in drought years
  • energy inputs
  • crop economics
  • labor requirements
  • soil carbon and nitrogen build up
  • nitrate leaching
  • soil microbial population