"Villagers gather Food faster."—In-game description
Harvest Ceremony is a technology in Age of Empires III: The WarChiefs that can be researched by Native American civilizations at the Farm once Great Feast is researched and the Colonial Age is reached. Once researched, it allows Villagers to gather food 15% faster. Green Corn Ceremony is the further upgrade of this technology.
|Mill and Farm technologies in Age of Empires III|
|Mill||Seed Drill · Artificial Fertilizer|
|Farm*||Selective Breeding · Great Feast · Harvest Ceremony · Green Corn Ceremony · Large Scale Gathering · Cinteotl Worship · Strawberry Festival · Horsemanship|
|* introduced in The WarChiefs|