Final answer:
The reference material does not specify the percentage of U.S. farmers using precision agriculture technologies, but it's clear that these technologies play a significant role in modern agriculture due to their impact on crop yields and efficiency.
Step-by-step explanation:
Precision agriculture technologies are becoming increasingly important in the agricultural industry as they offer significant benefits in enhancing crop yields and efficiency. While the exact percentage of U.S. farmers using precision agriculture technologies is not provided in the reference material, it is evident that the adoption of these technologies is significant given the focus on maximizing productivity and sustainability in farming practices. Such technologies may include GPS-guided equipment, drones, sensor technology, and various data management tools that contribute to more targeted and efficient farming operations.