Compost is soil made out of things that used to be alive.
Plants love it. It is the organic matter in the soil that provides a repository for nutrients as well as a home to the many beneficial organisms that help to decompose dead organic matter, make nutrients available to plant material , provide aeration , regulate moisture retention and soil temperature and provide a system of checks and balances between the harmful and beneficial components of the soil. The first thing to do is to test your soil. Air Water Garden waste Kitchen waste Manure Compost needs air, don't enclose it in an airtight container. You can mix the compost weekly to speed development , but an unturned pile will work eventually.