Arboriculture Terms

device that is driven. screwed. buried. or otherwise inserted into the ground. to which a guying cable is attached.

1) device for removing cores of soil for inspecting or testing. 2) device (drill bit) used to drill holes in the soil. often used for vertical mulching or for the drill-hole method of fertilizing (see earth auger).

mass of soil per unit volume. Often used as a measure of compaction.