DaFont has a category called "Farm / Western." Here you will find fonts like "Farm Fresh" or "Rustic Grain." If you need the specific "Agriculture Bold" proprietary file, check the "Free" tag. Warning: Always read the readme.txt file. "Free" on DaFont usually means free for testing or personal wedding invites, not for selling milk cartons.
Font Squirrel is the gold standard for commercial-safe free fonts. While the exact "Agriculture" proprietary font might be premium, they offer a clone called "Farmer's Bold." Search their library for "Heavy Serif" or "Western Bold." Agriculture Bold Font Free Download
Some specific fonts that might be of interest for agricultural themes or presentations: DaFont has a category called "Farm / Western
(Do not download from unknown file-sharing sites or unofficial torrents.) Agriculture Bold Font Free Download