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Title: The Roots of Plantation Cottonwood: Their Characteristics and Properties
Author(s): Francis, John K.
Date: 1985
Source: Res. Note SO-314. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 4 p.
Station ID: RN-SO-314
Description: The root biomass and its distribution and the growth rate of roots of pulpwood-size cottonwood (Popolus deltoides) in plantations were estimated by excavation and sampling. About 27 percent of the total biomass was in root tissue. Equations for predicting stump-taproot dry weight from d.b.h. and top dry weight were derived. Lateral roots in two plantations increased in length until dieback, and regrowth produced a lateral root of semistable average length to a little more than half the distance between trees.
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