Advanced mill.
In addition to the current benefits, all upgrades available at an earlier age and 20% cheaper.
Seed Drill
Moved to age 1.
Artificial Fertilizer
Moved to age 2.
Advanced plantation
In addition to the current benefits, all upgrades available at an earlier age and 20% cheaper.
Bookkeeping
Moved to age 2.
Homesteading
Moved to age 3.
Refineries
Moved to age 3.