Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 11 — Glass, chemistry, petroleum, rubber and cement  /  About year 27
11.32

Made fertilisers

bone meal, bones treated with acid, and the ammonia salt from the gas works

FoodYear 27Stands on 164 earlier

AWhat it needs

Needs 164 other products in all, 3 of them directly.

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