root zone

Where roots absorb

The root zone is the area of soil where a plant's roots grow and absorb water and nutrients.

In agriculture and landscaping, understanding the root zone determines irrigation depth and fertilizer placement: Water deeply to reach the root zone.

In internet infrastructure, the root zone is the top level of the Domain Name System, containing authoritative records for all top-level domains.

Related

pH · drip line · macronutrients · organic matter · soil moisture · carbon sequestration · taproot · drainage systems · soil compaction · evapotranspiration · plant health · tendrils · earthworms · irrigation · mulch · substrate · soil · underground

Opposites
plant anatomy location

root zonecanopy

Overhead protective covering

crown · foliage · stem · trunk · branches

soil depth/position

root zonebedrock

Solid stone underground

subsoil · atmosphere · hardpan · water table

Family

root, zone

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Rated G