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Title: Ten Years' Growth of Pruned and Unpruned Cottonwood Planted at 40- by 40-Foot Spacing
Author: Krinard, Roger M.;
Source: Res. Note SO-316. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 5 p.
Publication Series: Research Note (RN)
Description: Diameters at age 10 of cottonwood (Populus deltoides Bartr. ex Marsh.) select clone Stoneville 66 planted at 40- by 40-foot spacing varied from 13.4 to 16.4 inches depending on height of pruning. Pruning treatments, applied from the 2nd through 8th years, were (1) unpruned, (2) pruned to a third of height yearly, (3) pruned to half of height yearly, and (4) pruned to 17 feet when d.b.h. >8.5 inches. Total tree heights did not differ among treatments and averaged 94 feet.
Keywords: Populus deltoides, pruning
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Krinard, Roger M. 1985. Ten Years'' Growth of Pruned and Unpruned Cottonwood Planted at 40- by 40-Foot Spacing. Res. Note SO-316. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 5 p.
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