This loose formation allows soil to hold both water and air, and does not restrict the growth of roots. It is bacteria that generate the heat associated with hot composting. The three types of bacteria are psychrophilic, mesophyllic, and thermophilic. An entire cubic-yard pile is built at the same time, and finishes decomposing at the same time. Able to be broken into simpler chemical compounds by microorganisms.
Organic materials are biodegradable.
In an environments created solely by nature, there is a variety of plant and animal life, ranging from the very small to the very large. Nature has created a natural system for post and disease control. However, when we only incorporate limited variety in our landscapes, the system of checks and balances breaks down. In general, the more diverse we can make our gardens, the healthier they will be. Bacteria, like all living organisms, require quite a bit of carbon and comparatively less nitrogen.