The Raft System

The raft system is an interesting technique of growing lettuce and other short stature crops. In this method, plants are supported by baskets fit into Styrofoam sheets that float upon a bath of nutrient solution. The nutrient solution is circulated and aerated from below to maintain a high level of dissolved oxygen and avoid stagnation. The raft system is a very economic means of producing large quantities of lettuce and mixed greens in no time.

Floating Raft Hydroponic Systems
Shown here is the lettuce raft system at Disney Epcot Center's "Listen to the Land"

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Growing Soilless

Growing Soilless

This is an easy-to-follow, step-by-step guide to growing organic, healthy vegetable, herbs and house plants without soil. Clearly illustrated with black and white line drawings, the book covers every aspect of home hydroponic gardening.

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