Contents: Virginia Farming in Transition, by Wayne D. Purcell; Growth in Virginia: People and Jobs on the Move, by Todd McNew and Bradford Mills; Managing Agriculture and Growth in Virginia: The Role of Planning and Zoning, by Michael Chandler; Tools and Incentives to Manage Agriculture and...

A dynamic programming model is developed to identify barriers to the adoption of long-run control programs for the parasitic weed Striga. The model is applied to Sirakorola in northwestern Mali. The ability of national and village-level institutions to overcome the barriers to adoption is explored.