Secchi, Silvia - Center for Agricultural and Rural Development (CARD), … - 2007
April 2007
Center for Agricultural and Rural Development
Iowa State University
Ames, Iowa 50011 …-1070
www.card.iastate.edu
Silvia Secchi is an associate scientist at the Center for Agricultural and Rural … Development, Iowa
State University.
This paper is available online on the CARD Web site: www.card.iastate.edu. Permission is …