Allows growing various crops. Can be used for food production. This farm depends on rain only. To supply water from external source it needs to be upgraded.
Soil fertility affects crop yield, with 60% fertility there will be only 60% yield. Most crops consume fertility by growing. Fertility replenishes naturally when below 100%, or it can be increased by growing crops that provide fertility, or by using fertilizers. Growing the same crops after each other increases their fertility consumption. Thus, it is advantageous to rotate different crops.
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