soils …
Composted animal manures are the crux of all organic farming. The nitrogen rich soil is necessary for vegetables especially for tomatoes and eggplants. it is short lived, burns hot and breaks down quickly.
Composted bark is particularly useful for perennials with a moderate level of nitrogen and beneficial bacteria. It is great to break up , aerate and combine with the clay on a molecular level.
Composted kitchen scraps skill set relies on its ability to live long period in your soil with high bacterial and microbial content.
Lastly pete moss or coco coir skill are mosture holding control of the the ph as well as great for seed starting and containers including rasied beds.