Agriculture Reference
In-Depth Information
Litter tray
FIGURE 1.2
Cross-section of a typical water-culture bed. (Drawing courtesy of
George Barile, Accurate Art, Inc., Holbrook, New York.)
14"
24"
5"
3"
Aquarium
air pump
Perforated plastic tube
Solution reservoir
Aluminum support bar
Air pump tube
Pin
Solution tube
FIGURE 1.3
Components of an indoor unit. Air from an aquarium pump is
used to move the nutrient solution up a tube to the growing tray. (Drawing cour-
tesy of George Barile, Accurate Art, Inc., Holbrook, New York.)
