The way nature does it.
Garden Bed Construction
Heavy mulch retains moisture, buffers temperature and slowly breaks down to provide long term nutrition.
Compost provides short term nutrition and introduces bacteria, fungi and all sorts of invertebrates.
Azomite provides 92 minerals for bacteria and fungi to feed on, which intern feed the worms and plants.
Worms can be added for increased soil nutrition
Molasses adds sugars for increased bacteria growth
Mycorrhizae spores increase the fungal diversity.
Fungi and bacteria supply water and minerals to plants from a larger surface area.