Effects of Watering Treatments on Germination, Survival and Growth of Ponderosa Pine PDF Download
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Author: Daniel L. Noble
Publisher:
ISBN:
Category : Germination
Languages : en
Pages : 8
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Book Description
Author: Daniel L. Noble
Publisher:
ISBN:
Category : Germination
Languages : en
Pages : 8
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Book Description
Author: Daniel L. Noble
Publisher:
ISBN:
Category : Ponderosa pine
Languages : en
Pages : 0
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Author: L. J. Heidmann
Publisher:
ISBN:
Category : Plant-water relationships
Languages : en
Pages : 12
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Author: Michael G. Harrington
Publisher:
ISBN:
Category : Ponderosa pine
Languages : en
Pages : 32
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Book Description
Author: Erwin R. Berglund
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 162
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Book Description
Author: David F. Van Haverbeke
Publisher:
ISBN:
Category : Ponderosa pine
Languages : en
Pages : 4
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Author: Philip M. McDonald
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 16
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Book Description
Foresters often need information on the cost effectiveness of manual and chemical release treatments for individual and combined species in young mixed-shrub communities. A study in northern Califomia evaluated five manual and chemical treatments and their effect on several shrubs and grasses. Treatments were grubbing at age 1 to 2- and 4 ft (0.6- and 1.2-m) radii, regrubbing and expanding the 2-ft radii to 4 ft, regrubbing and expanding the 4-ft radii to 6 A (1.8 m) at age 4, and applying Velpar herbicide to the entire plot at age 2. Five years after initial manual release and 4 years after chemical release, ponderosa pine (Pinus ponderosa Dougl. ex Laws. var. ponderosa) stem caliper at 12 in. (30 cm) above mean ground line differed significantly between Velpar and the untreated control, 2-ft radius, 4-ft radius, and 2-ft radius expanded to 4 ft. Expanding the radius from 4 to 6 feet provided a pine stem caliper that differed significantly from that in the control, and the 2-ft and 4-ft radii treatments. Additional analyses with ponderosa pine seedling height also indicated significant differences among treatmenu that were generally similar to those above. Differences among the six treatments, which are presented in 15 comparisons of stem caliper and treatment production rates, provide forest managers with growth and cost comparisons, and should aid them in selecting the release treatment best suited to their particular situation.
Author: Debra K. McGuinn-Robbins
Publisher:
ISBN:
Category : Corvidae
Languages : en
Pages : 138
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Author: W. J. Rietveld
Publisher:
ISBN:
Category : Plant regulators
Languages : en
Pages : 8
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Author: P. H. Cochran
Publisher:
ISBN:
Category : Forest soils
Languages : en
Pages : 16
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