#three-field_system
Three-field system
Medieval crop rotation system
The three-field system is a regime of crop rotation in which a field is planted with one set of crops one year, a different set in the second year, and left fallow in the third year. A set of crops is rotated from one field to another. The technique was first used in China in the Eastern Zhou period, and was adopted in Europe in the medieval period.
Thu 6th
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