Wild Harvesting
自然收穫
Land Clearance allows a region to begin producing enough food to encourage growth.
平整土地令城邑糧食充裕，進而刺激人口規模增長。

Slash and Burn
刀耕火種
Communal Farming improves farming productivity in the region to encourage growth and prosperity.
公共農場提高城邑農業產量，進而刺激城邑繁榮發展。

Raised Fields
填土造田
Crop Rotation results in improved yield from farming districts, all year round.
作物輪種能夠提高城邑農業產量，而且長年都可收獲不同作物。

Managed Fallows
耕地輪作
Irrigation maximises the amount of food a region can produce, a must in ensuring larger populations can be properly sustained.
灌溉體系能夠最大限度利用耕地潛力，以供應日益增長的城邑人口。