...for asking this question. i have searched and researched and researched some more. I am trying to learn about fert & squirt programs. I just took the test (2 weeks sooner than i thought I was going to and made an 80 on the CORE and Ornamental tests). I submitted all my paperwork to get my license and am in the process of getting a spray rig and a spreader. What I need help on is I have no idea what to do once I am set up. I am located in central Oklahoma. I know most co's are offering 6 application programs but what is involved? When do you do each application? Is each application the same for all lawns during that time? What chemicals are used? why do i see some people doing granular fert n others liquid fert? what can be combined with each other? what should I steer away from? I am starting slow into these to get a grasp of things and to make sure I do a good job. I don't want to get overwhelmed with work and not do the work right. I have 80 lawn accounts and am really only marketing to them at the moment. I kind of have a grasp on what to charge but will hopefully get more of a feel for it quickly. Any info and advice is greatly appreciated.