A Brief Review of Nozzle Spray Drop Size Measurement Techniques

Spray application of Plant Protection Products (PPP) is affected by many factors, among which drop size distribution is the most important. In fact, the correct spray spectrum ensures the required dose on the target, minimizes off-target losses due to evaporation, drift and run-off, and enhances the operator safety in terms of inhalation and dermal exposure. This study reports a brief review of the most common drop size measurement techniques present in the literature