Our proposed work builds on the past four years of economic, ecological, and agronomic research in the Yaqui Valley. We are requesting $200,000 over a two-year period to be allocated primarily to field-level research, training, salaries for Mexican research collaborators, conferences, and publications for the lay public. Unlike the first period of the Ford Foundation funding, the project proposed herein will be oriented toward a more general audience, and it will include the participation of NGOs and other research groups interested in the equity, efficiency, and environmental outcomes of liberalization policies in Mexico. The research will consist of three broad components: 1) field-level surveys on the equity impacts of liberalization policies in the region; 2) modeling exercises pertaining to the social profitability of agricultural production in the Valley; and 3) outreach and dissemination of results to the farming community and NGOs in the region, as well as to the lay public. We are also proposing a workshop to be held at Stanford with other Ford-funded researchers in Mexico to discuss the effects of liberalization on equity, land use change, and environmental damages from agricultural throughout the country. It is our hope that the Yaqui Valley project will complement other projects funded by the Ford Foundation and will help to establish a basis for understanding rural economic and environmental change in a period of dramatic policy transition.