Originally Posted by Smallaxe
I can see the use of Iron in the turf, but unless your micros are definately non-existant I wouldn't waste money on that stuff... N & Fe are about all you need for color in the grass world... K for winterizer is always a good idea as it isn't necessarily permanent in the soil either...
Not disagreeing with you but don't you mainly deal with cool season turf? I think warm season grasses may be somewhat of a different animal. Also not just looking for color but good long term health.