Peter E. Hidebrand. 1979. Summary of the Sondeo method used by the Instituto de Ciencia y Tecnologia Agricolas (ICTA), Guatemala, unpublished report, 10 pages.

Keywords: sondeo is Spanish for ‘reconnaissance’ and was developed as a first step in farming systems research as a rapid rural appraisal method in Guatemala and a first step in site description, sondeo teams are to discover what agro-socioeconomic conditions farmers who use them have in common, then determine which of them are most important in determining the present system in the site description stage