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Vertical step propagation

Damjanovic et al. (13) treated the optical determination of mechanisms of lateral and vertical step propagation. Dickson et al. (12) studied the nucleation and growth of electrodeposited gold on surfaces of silver by means of electron microscopy. [Pg.4]

Architectural models explicitly specify the di.stribution of roots in space. An alternative approach, which is also useful for rhizosphere studies, is the continuum approach where only the amount of roots per unit soil volume is specified. Rules are defined that specify how roots propagate in the vertical and horizontal dimensions, and root propagation is u.sually viewed as a diffusive phenomenon (i.e., root proliferation favors unexploited soil). This defines the exploitation intensity per unit volume of soil and, under the assumption of even di.stribution, provides the necessary information for the integration step above. Acock and Pachepsky (68) provide an excellent review of the different assumptions made in the various continuum models formulated and show how such models can explain root distribution data relating to chrysanthemum. [Pg.355]


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See also in sourсe #XX -- [ Pg.4 ]




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Propagation step

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