Answer
Rerum Rusticarum, authored by Varro, stands as a seminal work on farming during the Roman era. This comprehensive treatise encompasses a wide range of agricultural topics, including livestock management, viticulture, and the cultivation of various crops. Varro's meticulous observations and practical advice have made Rerum Rusticarum an invaluable resource for farmers and scholars alike, providing insights into the agricultural practices and techniques of the ancient world.