Tennessee

TN Greenbelt Act:

" For land to qualify as agricultural, it must be at least 15 acres, including woodlands and wastelands, and either: (1) constitutes a farm unit engaged in the production or growing of agricultural products; or (2) has been farmed by the owner or the owner’s parent or spouse for at least 25 years and is used as the residence of the owner and not used for any purpose inconsistent with an agricultural use."