Database research record2009·United States
Three Non-Circulating Hydroponic Methods for Growing Lettuce
Kratky B. A.
Acta Horticulturae
Urban Farm DB summary
Presents three non-circulating, low-cost hydroponic methods for growing lettuce in which roots grow into a static nutrient solution with no pump, air stone, timer, or electricity required. The passive approach can be built with simple containers/tanks and reduces additional labour.