
Effect · every source
How to increase County Fertility Growth in CK3
9 sources raise County Fertility Growth and 0 lower it in the game files of patch 1.20.0.3.
county_fertility_growth_multThe biggest boosts
+50%Nomadic SettlementBuilding · Holder
+35%Tribal HoldBuilding · Holder
+20%Seasoned PastoralistTrait
What raises County Fertility Growth (9)
Traits (2)

lifestyle_seasoned_pastor· game/common/traits/00_traits.txt
Erudite+15%
erudite· game/common/traits/00_traits.txt
Lifestyle perks (1)
Take the Custom Where it Comes+15%
Nomadic government
planned_cultivation_perk· game/common/lifestyle_perks/00_learning_2_scholarship_tree_perks.txt
Culture pillars (1)
Innovations (2)

Public Works+5%
Characters of this culture
innovation_development_01· game/common/culture/innovations/00_tribal_innovations.txt
Characters of this culture
innovation_crop_rotation· game/common/culture/innovations/00_tribal_innovations.txt
Buildings (2)


Tribal Hold+35%
Holder
Levels 1–2: +35% to +35% (2 levels give it)
tribe· game/common/buildings/00_tribal_buildings.txt
Dynasty legacies (1)
Steppe Lords+10%
Nomadic legacy · Members of the dynasty
mpo_nomad_legacy_1· game/common/dynasty_perks/07_mpo_dynasty_perks.txt
Source: game/common/buildings/00_nomad_buildings.txt, game/common/buildings/00_tribal_buildings.txt, game/common/culture/innovations/00_tribal_innovations.txt, game/common/culture/pillars/00_ethos.txt, game/common/dynasty_perks/07_mpo_dynasty_perks.txt, game/common/lifestyle_perks/00_learning_2_scholarship_tree_perks.txt, game/common/traits/00_traits.txt and the English localisation, Crusader Kings III 1.20.0.3. Building chains are shown once, at their strongest level, with the range over their levels. Effects that come only from events or scale with a script value are not listed.