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root
root
The Concise Oxford Dictionary of English Etymology
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1996
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© The Concise Oxford Dictionary of English Etymology 1996, originally published by Oxford University Press 1996. (Hide copyright information)
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root1 part of a plant below the earth's surface OE.; source, basis XIV; (math., philol.) XVI. Late OE.
rōt — ON.
rót; rel. to L.
rādīx.
Hence
root vb. A. in pp. firmly fixed XIII; B. furnish with roots XIV; C. uproot, eradicate XIV.
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Root exudation and rhizosphere biology1
Magazine article from: Plant Physiology; 5/1/2003; ; 700+ words
; ...into the soil by roots are broadly referred to as root exudates. Through...area in which the roots must compete with the invading root systems of neighboring...rhizosphere. Root-Root Communication In natural settings, roots are in continual...
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Understanding root forms: knowing how roots grow and utilize the soil is critical to proper tree management.(TREE MAINTENANCE)
Magazine article from: Arbor Age; 10/1/2007; ; 700+ words
; ...systems (also called heart root systems), have roots growing at many different angles...percent of all trees have sloping root systems where the roots appear to radiate from a common...structures that form on non-woody roots: root hairs and mycorrhizae. Root...
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Fibrous root system development: improving tree health in urban plantings.(TREE MAINTENANCE)
Magazine article from: Arbor Age; 3/1/2008; ; 700+ words
; ...container. The copper is toxic to roots, so root pruning occurs. Misuse of...ILLUSTRATION OMITTED] 4) Root suffocation -- Roots growing in containers with...branch behind this point. 6) Root constriction -- Roots can be forced to branch behind...
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Root Physiology.(TREE SCIENCE)
Magazine article from: Arbor Age; 7/1/2009; ; 700+ words
; ...organic material to the soil. Non-woody roots shed dying and dead root hairs and epidermal cells. Soil microorganisms...and recycle elements essential for life. Root hairs do not become lateral roots. Root hairs and mycorrhizae are alive and well...
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Root Cause.(pruning tree roots)
Magazine article from: Arbor Age; 5/1/2001; ; 700+ words
; ...and how to prune tree roots significantly impact...The objective for root pruning is always to...process, he "likes to root prune all mangled roots in the construction...the cut. To make the root cut, sever the roots by forcing a sharp...
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The Roots of the Matter.
Magazine article from: SportsTURF; 6/1/2000; ; 700+ words
; ...It will focus on roots and root systems of both cool...the main functioning root system for the plant. Adventitious roots also will form at...plant. Turfgrass roots are fibrous and multi-branched. Each root tip is covered by...
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Root Development and Nutrient Uptake
Magazine article from: Critical Reviews in Plant Sciences; 1/1/2006; ; 700+ words
; ...configuration and distribution of these roots determine root system architecture in the soil...configuration and distribution of these roots determine root system architecture in soil...is directly utilized by the roots, and thus root growth largely depends on the...
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Proteoid roots. Physiology and development
Magazine article from: Plant Physiology; 10/1/1999; ; 700+ words
; ...described the unusual root morphology of plants...extensively branched roots covered with long...closely spaced lateral roots (rootlets) of limited...The terms proteoid root, cluster root, and...Fig. 213) and root hairs extending to...Determinacy in lateral roots also occurs ...
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 "Albany Times Union (Albany, NY)")
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PRUNE ROOTS NOW FOR TRANSFER IN SPRING.(AT HOME)
Newspaper article from: Albany Times Union (Albany, NY); 11/4/2001; 700+ words
; ...impeded taproot. These side roots branch repeatedly off...other, forming a fibrous root system that is much shallower...you force the remaining roots to become a more fibrous, compact root system to make up for the severed roots left behind. This lessens...
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 "Post-Tribune (IN)")
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Root crops like it cool, so don't harvest yet
Newspaper article from: Post-Tribune (IN); 10/12/2002; ; 700+ words
; ...conditions. And drought is as big a root-crop enemy as is hard, compacted clay soil. When planting root crops then, take care to work...or the voraciously competing roots will rob each other of water...Interplant with radishes, another root crop prized for its zesty taste...
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Roots
Book article from: Plant Sciences
...similar-sized branch roots that combine into a fibrous root system. Long taproots...evaporates. Fibrous roots also stabilize soil, reducing erosion. Root Functions Most root...youngest part of roots, usually 10 centimeters...from the growing root tip. Four activities...
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root
Book article from: The Oxford Pocket Dictionary of Current English
...cacti have deep and spreading roots a tree root. ∎ the persistent...a plant or cutting) to grow roots: root your own cuttings from stock plants...personal taxation. strike at the root (or roots ) of affect in a vital area with...
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Root System
Encyclopedia entry from: The Gale Encyclopedia of Science
...important to the plant. Roots have four regions: a root cap; a zone of division...toward the light, and the root cap would direct the roots to grow down-ward...grasses, have fibrous root systems formed from many roots of more or less equal...
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Root Canal Treatment
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed.
...more expensive. Description Root canal treatment may be performed...natural crown of the tooth to the root tips in the jawbone. Pus accumulates at the ends of the roots, forming a painful abscess...is little noticeable pain. Root canal treatment is performed...
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Cotton Root Bark
Encyclopedia entry from: Gale Encyclopedia of Alternative Medicine
...childbirth easier, cotton root bark was also taken as an abortifacient...induce miscarriages). Cotton root bark was not just a woman's remedy. Chewing on the roots was said to stimulate the sexual organs, giving cotton root the reputation of being an...
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