Root

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ROOT. That part of a tree or plant under ground from which it draws most of its nourishment from the earth.
     2. When the roots of a tree planted in one man's land extend into that of another, this circumstance does not give the latter any right to the tree, though such is the doctrine of the civil law; Dig. 41, 1, 7, 13; but such person has a right to cut off the roots up to his line. Rolle's R. 394, vide Tree.
     3. In a figurative sense, the term root is used to signify the person from whom one or more others are descended. Vide Descent; Per stirpes.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
Therefore, the pull-out test of plant root systems was conducted to measure the extreme tension value.
Ectomycorrhizae are a type of mycorrhizae that procedure a dense sheath around the physical structure of plant roots, from which the hyphae grow; in endomycorrhizae, mycelium is entrenched within the root tissue, not forming a sheath around the root system.
Bacteria were isolated from the non-rhizosphere soil,rhizosphere soil and plant root samples using the methods of Odunfa and Oso [11], Akinynaju and Fadayomi [12], Oyeyiola and Hussain [13,14] and Oyeyiola [10].
With funding from USDA's Cooperative State Research, Education, and Extension Service (CSREES) National Research Initiative (NRI), Mario Biondini at North Dakota State University found a way to more accurately predict water uptake from plant roots by improving upon the West, Brown, and Enquist (WBE) general model for scaling laws in biological networks.
Gardner's (1960) model is one of the most commonly used analyses describing the dynamic aspects of water uptake by a single plant root. Gardner (1960) used the single root approach to describe the dynamic aspect of water uptake by a plant, and to examine the soil water suction required at the boundary between the plant root and the soil in order to maintain a constant rate of water movement to the plant.
Watering was stopped 24 to 36 h before radiographs were taken to reduce soil water content for a better contrast with plant root water content.
These studies have mainly focused on the mechanical mechanisms of soil reinforcement by plant root systems.
One of the biggest underground markets on the planet-nutrient trading between plant roots and fungi--turns out to run on a system of reciprocal rewards for good suppliers and less business for bad ones.
Of particular interest to Douds were results showing that plots farmed with two organic systems had greater AM fungi spore populations and produced greater plant root colonization than did soils from a conventional corn-soybean rotation system.--By Jim Core, ARS.
Conventional agriculture focuses on pumping nutrients through the soil to the plant root. This practice can lead to compacted, infertile soil, erosion, and water pollution.
Similarly soil water flow is controlled by the potential gradient between the soil and the plant root (Herkelrath et al.