मुख्य तथ्ये

• Crops grown in stacked layers, dramatically increasing yield per square metre
• LED grow lights replace or supplement natural sunlight
• Usually combined with hydroponics or aeroponics for efficient nutrient delivery
• Climate, humidity, CO₂, and light spectra fully controlled
• Location-independent — can operate in cities, warehouses, or shipping containers
• Reduces food miles by locating production near urban consumers
• High setup and energy costs offset by year-round productivity and premium crops