Agriculture Reference
In-Depth Information
5.
Compressed Air Sprayer
A hand-carried sprayer which operates under pressure, created by a
self-contained manual pump. Capacity usually 1-3 gallons. Commonly used
by homeowners and pest control operators.
Figure 8.5
shows an illustration of
hand-carried sprayer, and
Figure 8.6
shows the application of insecticide also
using a hand-carried sprayer.
Figure 8.5
Diagram of a compressed air sprayer showing working parts.
6.
Backpack Sprayer
A backpack sprayer is similar to a push-pull sprayer, except that it is a
self-contained unit (tank and pump) and is carried on the operator's back. A
mechanical agitator plate may be attached to the pump plunger. Capacity of
these sprayers is usually less than five gallons.
Figure 8.7
shows a pest con-
trol worker using a backpack sprayer in a greenhouse.
7.
Bucket Or Trombone Sprayer
These sprayers involve a double-action hydraulic pump which is operated
with a push-pull motion. The pesticide is sucked into the cylinder and pushed
