White and Red Fir Cone Production in Northeastern California PDF Download
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Author: Donald T. Gordon
Publisher:
ISBN:
Category : Cones (Botany)
Languages : en
Pages : 4
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Author: Donald T. Gordon
Publisher:
ISBN:
Category : Cones (Botany)
Languages : en
Pages : 4
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Author: Russell M. Burns
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 688
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Author: Russell M. Burns
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 686
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Author:
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ISBN:
Category : Agriculture
Languages : en
Pages : 694
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Author: United States. Forest Service. Division of Timber Management
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 772
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Author:
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 780
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Author:
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 20
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Author:
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 248
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Author: Robert J. Laacke
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ISBN:
Category : Fir
Languages : en
Pages : 12
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Shelterwood cuttings on Swain Mountain Experimental Forest were measured to determine performance six to eight years after the shelterwood cutting and before shelterwood removal. Use of appropriate selecting criteria minimized windthrow of seed trees. Regeneration remained red fir, even where the major seed source was white fir. Density of seed trees may affect seedling growth only after the fourth year. Adequate regeneration can be attained and maintained at 25 trees per hectare (10/acre). In addition, the total number of seedlings produced each year was apparently not related to cone production in nearby stands.
Author:
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ISBN:
Category : Forest management
Languages : en
Pages : 200
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