Calibrating Hand-Held and Backpack Sprayers for Applying Pesticides

Publication Number 456-502, Posted March 1997
This is a revision of VCE Publication 456-502, Calibrating Hand-Held and Backpack Sprayers for Applying Pesticides (1986) by S. M. Zedaker and T. J. Nichols (former Extension Specialist and Assistant Professor, Forestry, Virginia Tech).

Figure 1. (A) Two-gallon hand-held sprayer; (B) five-gallon backpack sprayer. The three major parts are: (1) tank, (2) pump, and (3) boom/nozzle.

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