Selecting the right nozzle depends on the target crop, chemical type, and weather conditions. For systemic herbicides, Flat Fan nozzles are standard as they provide uniform coverage. If you are working in windy conditions, prioritize Air Induction (Venturi) nozzles, which produce larger, drift-resistant droplets. For fungicides or insecticides requiring dense canopy penetration, Hollow Cone nozzles are preferred due to their fine spray pattern. Always ensure the nozzle material matches your frequency of use; ceramic tips offer the highest wear resistance, followed by stainless steel and polymer.