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Pacific Southwest Research Station
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Albany, CA 94710-0011
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Title: Growth of released redwood crop seedlings on the redwood experimental forest
Author: Boe, Kenneth N.
Source: Res. Note PSW-RN-229. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p
Station ID: RN-PSW-229
Description: Potential redwood crop seedlings, 3 to 4 years old, were released from competition with shrubs and herbs in a trial on the Redwood Experimental Forest, North Coast California. The release distances tested were radii of 2, 3, and 4 feet; the methods used were basal spraying and foliage spraying with 2,4,5-T and 2,4-D mix, and hoeing-cutting. For the first 3 years, released seedlings grew faster than untreated seedlings. By the end of the fourth growing season, when competing vegetation had already reoccupied the weeded areas, height growth of all seedlings appeared to be equalizing. This age-class of redwood crop seedlings may not need weeding-release for satisfactory growth in environments similar to that where tested.
Keywords: Sequoia sempewirens, seedling release, weeding
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Boe, Kenneth N. 1971. Growth of released redwood crop seedlings on the redwood experimental forest.. Res. Note PSW-RN-229. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p.
|Last Modified: Nov 20, 2015 10:41:25 AM|