Earthworms are very interesting creature. They are good for soil and in agricultural they play an important role. They can live under water as well as on earth. Here are some facts about earthworms.
Benefits
They are very beneficial for earth. Their castings are very rich for the all fertilizers and they are also tireless for soil. If you want to your garden lush then you should have too many.
Habitat
They have habitat in their burrows. The burrows of earthworms may be of six feet deep. They go into burrows in drought periods. The mucous support the structure of burrows and due to this they do not collapse.
Survival
Earthworms can be affected by rot tilling of soil. They are affected from vibration and their food supply is depleted when they exposed to oxygen. You should cover the area with water logged leaves when you rot-till.
Common Earthworms
The most common earthworms which are also called lubricous terristris are not native to North America. They were killed about many years ago. They are also different from composting worms. They can not tolerate extreme temperature conditions.
Interesting Facts
An earthworm can live up to 6 years and in wild they live maximum 2 years. They do not contain lungs. They breath from their skin.