Earth augers are like drilling device with a bit that with a rotating motion help the process of digging. They are different types of earth augers. One type is handheld that needs to be a manually turned by the user to operate. Other type is powered by a petrol motor and is more efficient. Using them you will be able to dig deeper and faster. They also help you to penetrate the ground even in tough soils. You can use earth augers for boring holes for plant or making things like fences and even use it for taking samples of soil. Earth augers are popular tools among gardeners because they can plant trees very easily with the help of this tool.