Crop Rotation (Two-Field System)
Agricultural practice of dividing land into two fields, one for crops and one left fallow to restore fertility, improving long-term yields.
Core metadata
- ID: crop_rotation_two_field
- Era: Classical
- First known date: -500 (century)
- Region: Mediterranean, South Asia, East Asia, and other classical societies
- Review status: structurally_validated
- Maturity: N/A
Prerequisites
Dependents
Fields
- None.
Node sources
- Neolithic (Encyclopaedia Britannica, 2026, textbook) • Supports: edge
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 70%
- Prerequisite sources: 2
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Agriculture (agriculture) | enabling | 68% | expert_inference | Agriculture provides a capability that enables this technology without being the only possible path. |
|
| Record Keeping (record_keeping) | historical_predecessor | 75% | expert_inference | Record Keeping is an earlier historical predecessor or foundation, not a one-to-one engineering dependency. |
|
| Calendars (calendars) | enabling | 68% | expert_inference | Calendars provides a capability that enables this technology without being the only possible path. | No sources recorded. |
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