Thanks for the help everyone. My plan will be to build platforms with pallets. I will attach 4x4 posts underneath to keep the platforms off of the bottom and cover the pallets with vinyl. I plan to put out 4 platforms and use one 50 lb bag of 0-46-0 fertilizer for each platform. According to my area, I would need to apply at a rate of 8 lbs per acre, so with 20 acres, I would be using a little more than required for each application. I will use water soluble fertilizer to jump start the process and as needed as a booster. Does this sound like a good plan?

My main purpose for fertilizing is to feed my threadfin shad.

Bill