Ok, I've got my Pre M , Post M , my early spring iron fertilization and my final pre m applications decided. What are you guys using for your apps. in the southern states? I'm gonna be doing 2 apps. : 1 in the 2-3 week of april and 1 in the 1-2 week of aug. What kind of break down would you recommend? 18-0-10 or 15-5-10 or 20-10-10 or any other sugestions. I'll be spraying only zoy, cent, st. A, bermuda.