深水培养 (DWC) 是一种水培系统，其中植物的根直接悬浮在充气、营养丰富的水库中。气泵和气石持续为溶液充氧，防止根腐病，并全天候提供养分，以促进植物快速生长。
关键事实
- Roots hang in oxygenated nutrient solution 24 hours a day
- Air pump and airstone are essential — dissolved oxygen prevents root rot
- Among the fastest growth rates of any hydroponic system
- Simple design with few moving parts; low maintenance once established
- Ideal for lettuce, herbs, spinach, and fast-maturing leafy crops
- Net pots hold plants suspended above or at the waterline