Rice Surplus is a technology in Age of Empires III: The Asian Dynasties. It is available at the Rice Paddy in the Colonial Age.

This technology lets Villagers gather coin 10% faster from Rice Paddies. It is the basic coin-gathering technology at the Rice Paddy.

Rice Paddy Technologies
Paddy Treshing | Rice Surplus | Irrigation Channels | Rice Trade | Dike-Controlled Canals | Rice Markets | Rice Exports | Mechanized Rice Cultivation | Collective Economy