Mixture of Soils Using an auger, the manure is fully mixed with the soil and the dirt is broken up without being removed. The Soil Test Auger is raised out of the ground after being screwed into it. The soil is collected and stored for testing on the auger's blades. Drilling equipment, also known as auger drills or screw types, typically have a revolving helical screw blade known as a "flighting" that functions as a screw conveyor to remove the drilled out material. After being screwed into the earth, the Extendable Auger is hauled out. A hand auger is a multipurpose instrument that is used to perform many shallow excavation tasks, such as creating post holes and taking soil samples. The purpose of the auger is to enable you to sow grass plugs.