How tall are the trees ? Figure 2. Screen 2 Select Tree Height The next screen requires that you select from a menu the height of the citrus trees that will be sprayed (Figure 2). Find the correct height on the menu, type the corresponding letter, and press . The height of the trees determines the total water gallonage that is required for a dilute spray. Calculation of the correct spray mixture depends upon determining the correct dilute gallonage. Although not displayed on the screen, CITMIX interprets the tree height to reflect the following gallonage: 18 feet or larger 14 feet to 18 feet 10 feet to 14 feet smaller than 10 feet - 1500 gallons - 1000 gallons - 750 gallons - 500 gallons a. 18 feet or larger b. 14 to 18 feet c. 10 feet to 14 feet d. smaller than 10 feet Type a, b, c, or d then press