The application of pesticides is the most commonly used method for controlling arthropod pests and diseases on pecan trees. Because of the size of the pecan tree, pesticides are primarily applied with large spray machines known as air-assisted sprayers. (PDF Format Only)

Aerial application of liquid pesticides is an important operation, especially over forests and large crop areas and when speed of treatment and field access are keys to a successful treatment. Information on spray equipment, flight planning and formulas included. (PDF Format Only)

One of the most important objectives during spraying is the delivery of the correct volume per area (gallons per acre). The efficiency of the chemical intimately depends on the application of an accurate rate. Learn how to calibrate a sprayer by following these simple steps. Illustrations, useful conversions and worksheets included. (PDF Format Only)

The use of boomless sprayers mounted on an all-terrain vehicle (ATV) is becoming a popular way to spray pesticides and herbicides in difficult-to-reach areas such as under trees and along fences. As with any other sprayer, a boomless one has also to be calibrated. To ensure a correct spray operation, follow the steps outlined in this publication. (PDF Format Only)

Spreaders are attached to agricultural aircraft and used to distribute seeds, fertilizers and dry chemical products. Aricultural aviation has proven to be a fast and efficient form of product application to our crops. Information on adjustments, spreader mounting, application altitude, swath width, application rate, GPS sensors, variable rate application and LSU AgCenter calibration clinics. (PDF Format Only)