Can you elaborate a little bit ?
https://twitter.com/SarahTaber_bww/status/112844547165831987...
Basically, there's a lot of tax breaks available if you designate your land a "farm", even if you don't grow anything. About 22% of farms in the US produce 0 output.
On the east coast you often see alpacas; their fur get harvested periodically.
Unfortunately these tricks are common in many states, especially in high tax states with wealthy residents trying to dodge taxes.