Terrains provide many important functions for your cities:
info on construction projects
Terrains that are built with roots


Needs: work 2.5 This will eventually become steppe.
Build cost: work 5 roots 1 wheat 1
This is: landwork, reverttoprevious
Build on: rocku Culture needed: 5
Changes into: Steppe 6% Steppe 3%

Root Farm

Needs: work 6.5 Don't build a root farm on fertile land like grass or forest-- such lands would be more efficient as hunting and gathering. However, root farms may be useful on steppes.
Makes: roots 20
Build cost: work 10 roots 5
This is: agriculture, mediumfertile
Build on: mediumfertile Culture needed: 10