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Growth of released redwood crop seedlings on the redwood experimental forest.Author(s): Kenneth N. Boe
Source: Res. Note PSW-RN-229. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p
Publication Series: Research Note (RN)
Station: Pacific Southwest Research Station
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DescriptionPotential 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.
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CitationBoe, 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
KeywordsSequoia sempewirens, seedling release, weeding
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