THINK ANALOGOUSLY: no matter where you start your farm, you can locate analogous sources in each state or region: farm teams at University extensions, regulations, certifications, business plans and filings, financing.
For instance, the NAICS code for potatoes is 111211. To search on the code in Business Source Complete:
In the search box, use the pull-down menu to limit the search to the NAICS field, and then enter the code: