AgEcon Search (AgEcon) is an open access database of agricultural economics papers, reports and proceedings, supported by the University of Minnesota and other partners and contributed to from professional associations, other campuses, and journal publishers, including some from the Global South, a growing focus. It originated as a way to share papers among campuses more freely, and includes representatives from many countries. 

As they describe themselves: "AgEcon Search: Research in Agricultural and Applied Economics collects, indexes, and electronically distributes full text copies of scholarly research in the broadly defined field of agricultural and applied economics including sub-disciplines such as agribusiness, food security and supply, energy and natural resource economics, environmental economics, policy issues, international trade, and economic development. Content includes conference presentations, working papers, journal articles, government documents, and theses and dissertations." 

Looking for more information or scope? Try EconLit, for the broader field of economics, or Business Source Complete for business topics.  Try Agricola, for articles and other research, particularly related to the United States and this hemisphere. Need more? Try CAB Abstracts,which is produced by the Centre for Agriculture and Bioscience International or CABI (was the Commonwealth Agricultural Bureaux). Still not getting what you want? Try Web of Science or Scifinder-n, linked below.

Search OneSearch or the Libraries' Catalog for books, dvds, and more. Some of the items that show up in agricultural databases are government documents; when we have these, they are often listed in the catalog.