Given the interdisciplinary nature of AFRE, you may need to use indexes and research in other areas such as Agriculture, Business for agribusiness and marketing, Environmental Studies, International Development, or geographically based Area Studies indexes if your research is focused on a specific geographic region.
Best Bets are the 2-3 core indexes in each area.
EIU historical data can be accessed at: https://ezproxy.msu.edu/login?url=http://www.eiu.com/index.asp?layout=AllTitles