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


Linking soil quality, water quality and agroecosystem health. Dennis Keeney. (1997) http://www.aaas.org/international/pri/china/keeney_f.htm

Key Questions

  • What are the different functions of agroecosystems?
  • What are the major changes in the agroecosystems especially after World War II?
  • What are the reasons for these changes?
  • What are the positive and negative outcomes of these changes?
  • Why was Green Revolution not scalable to all developing countries?
  • What are Keeney’s recommendations which would allow regeneration of agroecosystems?
  • What, according to Keeney, were the drawbacks of the conservation reserve program?

Supplementary Readings

Differences between natural and agro eco systems. W.H.Settle. http://www.ic.ucsc.edu/~cshennan/envs130/ENVS130A003/sld001.htm