State governments often use "Purchase of Development Rights" (PDR) or conservation easements to keep land in agricultural use. Grants and Loans - USDA
A simplified option for up to $50,000 to help with smaller parcels or startup costs. 2. State & Regional Conservation Grants grants to buy farmland
As of March 2026, these offer rates around 5.875% with a maximum of $600,000 . State governments often use "Purchase of Development Rights"