from The Century Dictionary and Cyclopedia
- n. A region of the spinal cord traversed by or immediately adjacent to the roots of the spinal nerves.
Sorry, no etymologies found.
It is the only food crop which can be grown under conditions of continuous inundation of the root-zone, a feature which makes it uniquely suited to wet-tropic monsoonal cultivation.
Researchers at the school are looking to be innovators in the field of sustainable agriculture using methods like thermal root-zone heating, which warms the soil at the roots of plants through a intricate system of underground hot water radiant tubing.