Hydroponics
Soilless crop production using nutrient solutions, controlled water chemistry, and managed root-zone environments.
Core metadata
- ID: hydroponics
- Era: Modern
- First known date: 1929 (exact)
- Region: University of California, Berkeley, United States
- Review status: source_checked
- Maturity: established
Prerequisites
- Advanced Chemistry (advanced_chemistry)
- Filters & Membranes (Early) (filters_membranes_early)
- Horticulture (horticulture)
Dependents
Fields
Field lanes
- Agriculture & Food Systems: Controlled Environments
Node sources
- Climate-Smart Agriculture (FAO, 2026, official_agency) • Supports: node, maturity
- Hydro Hints: What is Hydroponics? (Oregon State University Extension Service, 2026, textbook) • Supports: node, maturity
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 70%
- Prerequisite sources: 3
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Horticulture (horticulture) | enabling | 68% | expert_inference | Horticulture provides a capability that enables this technology without being the only possible path. |
|
| Advanced Chemistry (advanced_chemistry) | enabling | 68% | expert_inference | Advanced Chemistry provides a capability that enables this technology without being the only possible path. |
|
| Filters & Membranes (Early) (filters_membranes_early) | historical_predecessor | 75% | expert_inference | Filters & Membranes (Early) is an earlier historical predecessor or foundation, not a one-to-one engineering dependency. |
|
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