Pacific Southwest

Title: Douglas-fir seedlings planted by four methods...results after 10 years

Author: Strothman, R. O.

Date: 1976

Source: Res. Note PSW-RN-310. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p

Station ID: RN-PSW-310

Description: Bare-root Douglas-fir seedlings were planted by four methods in late February and late March on a hot, south-facing slope in northwestern California. The four techniques were: standard planting, deep planting at two different depths, and shading of the lower stem. After 10 growing seasons, there were no significant differences in survival attributable to planting technique or planting date. Height growth showed no response to planting method, but did show response to planting date. Trees planted in February averaged a foot taller than those planted in March, but the precise reason for this difference could not be pinpointed.

Keywords: Pseudotsuga menziesii var. menziesii; planting date; seedling survival; height increment

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Citation

Strothman, R. O.  1976.  Douglas-fir seedlings planted by four methods...results after 10 years.   Res. Note PSW-RN-310. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p.