Farthest Frontier Crop Calculator
Simulate a 3-Year Crop Rotation. Calculate net fertility changes, weed suppression, and optimize your agricultural yield.
Initial Soil State
3-Year Rotation Plan
End of Cycle Trajectory
Mastering Agriculture in Farthest Frontier
Farming in Farthest Frontier is not a "plant and forget" mechanic. It is a highly complex agronomy simulator. If you plant Wheat in the same field for three consecutive years, your soil fertility will drop to zero, weeds will choke out your crops, and your village will starve during the winter.
The 3-Year Rotation Strategy
The game allows you to plan crop rotations up to three years in advance. A sustainable rotation must balance three competing factors:
- Fertility Management: High-yield cash crops (Wheat, Flax, Cabbage) heavily drain fertility. You must alternate them with restorative crops like Clover (which yields no food but adds massive fertility) or Beans.
- Weed Suppression: Weeds naturally grow over time and steal nutrients from your crops, lowering yield. Crops with high "Weed Suppression" (like Leeks or Turnips) choke out weeds as they grow. Alternatively, scheduling a "Field Maintenance" block clears weeds and rocks manually.
- Yield Multiplication: The final yield of any crop is multiplied by the current Fertility level and penalized by the Weed/Rock level. Planting high-yield Wheat in 30% fertility soil will produce less food than planting low-yield Beans in 90% fertility soil.
Field Maintenance takes time where you could be growing food, but it provides a massive -10% Weed Level and -5% Rockiness. Scheduling one maintenance block at the start of a 3-year cycle ensures your delicate cash crops later in the rotation don't suffer severe yield penalties.
Can I increase Fertility without Clover?
Yes. Once your town is large enough, you can build a Compost Yard. This facility turns biological waste (nightsoil) into fertilizer, which can be manually applied to a field to instantly boost its fertility without sacrificing a crop rotation slot.
Does soil mixture (Sand vs. Clay) matter?
Absolutely. While not simulated in the basic math above, different crops thrive in different soil textures. Root vegetables (Carrots, Turnips) prefer sandy soil for easier root expansion, while heavy crops (Wheat, Flax) prefer dense clay to hold nutrients. You can manually adjust a field's mixture by assigning laborers to add sand or clay over time.
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