Does the subject want to ask "How is the collection efficiency of farmers in the Imperial Age 3"? Grain picking efficiency 1, gold picking 0.4 and wood picking 0.5. In the game setting of Age of Empires III, farmers' grain collection efficiency is 1, gold mining is 0.4, and wood mining is 0.5. Age of Empires 3 is a real-time strategy game developed by EnsembleStudios, which shows players different economic systems and fighting methods of different nationalities.