A study of determinants of adoption and diffusion of sustainable agricultural technologies in the State of Esp<'i>rito Santo, Brazil. Economic, social, and environmental aspects of the Green Revolution in the country and the state are examined as background. A survey conducted in 1994 provides data on 141 farms. Information is analyzed using logit/probit models and duration analysis. Results highlight the importance of contact with NGOs, integration with farmers' organizations, health and environmental concerns, availability of family labor, and physical characteristics of farms. No index. Annotation c. by Book News, Inc., Portland, Or.