1) horizon or layer within the soil profile where roots exist. 2) volume of soil containing tree roots. 3) horizontal spread of tree roots from the trunk. Typically the root zone of a tree extends well beyond I the drip line.
root zone (Wikipedia)
Root zone may refer to:
- roots, of plants
- rhizosphere, of plants
- DNS root zone, the start of the Domain Name System
This disambiguation page lists articles associated with the title Root zone.
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