oakshadows

Good luck, we use all organic and sometimes it isn't what we want but we still know what is in the mix. Nice thing about organic that if it is mixed right one cannot over fertilize. Here the soil is very sandy, actually we live on a 160 foot sand dune, so in the garden area we use worm composted cow manure and pine needle compost.
This puts in most of the needed nutrients and the carbon, and some room to breathe. When a plant is ready to go into the ground we add microrhizal fungi to the roots and water in good. Many use Thrive or an equivilent to improve the root system and its ability to absorb nutrients from the soil. Wish you luck and post results please.

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