-Suitable for cultivation. -A source of water retention of people, plants and animals.-A diet of fossil microbes, aid digestion, becomes humus to a diet of plants, when the plants grow, it becomes the following people's food.
- Suitable for planting - A reservoir of water, plants and animals - as food for microbes help digest fossil into humus. For food crops When the plants grow, it becomes food for the next person.
- suitable for cultivation.- a reservoir of water, people, plants and animals.- a microbial food digest litter, the carcass into humus to the food of the plant. When the plants grow became the food of the next.