Interest in sustainable agriculture probably had its roots in the concept of sustainable development. There exist no agricultural production technologies or farming systems that are environmentally benign. The question thus becomes "what is sustainable and what is not?" The two underlying themes...

The March, 2015 pdf version is recently-edited from a paper written in the late 1980s. A scanned copy of the paper as written in the late 1980s is also available for download. Students who wish to use their math skills to verify each equation and elasticity calculation may wish to download both...

Supplemental class materials links for the Debertin books available through ageconsearch.