Smart and sustainable agriculture is being transformed by the merging of Digital Twin and Artificial Intelligence (AI). This chapter reviews how several agricultural technologies come together to help in managing farms intelligently. It describes the key ideas of digital twins used in agriculture and explains how AI works to boost their prediction and decision-making. This chapter covers topics such as predicting crop yields, understanding soils, and looking after livestock assets, as well as methods, actual projects, and how they fare. Experts carefully examine the main difficulties in joining data, interconnecting systems, and accepting the new system. It further introduces the concept of future-minded digital twin frameworks that can operate on their own, creating a roadmap for building dependable and eco-friendly farming with the help of intelligent systems.