Guidelines for Precommercial Thinning of Douglas-fir PDF Download
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Author: Donald L. Reukema
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 16
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Book Description
Production of merchantable wood in even-aged Douglas-fir stands can be increased substantially by precommercial thinning. Guidelines for, and gains from, precommercial thinning both strongly depend on the size of trees wanted at the first commercial cut; the larger this size, (1) the fewer trees should be left after precommercial thinning, (2) the greater is the maximum age or tree size at which precommercial thinning is practical, and (3) the greater is the gain is usable yield from precommercial thinning. Also, generally, the longer the time required for a stand to reach commercial size without thinning, the greater the gains from precommercial thinning. These and other considerations are discussed, and procedures are recommended.
Author: Donald L. Reukema
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 16
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Book Description
Production of merchantable wood in even-aged Douglas-fir stands can be increased substantially by precommercial thinning. Guidelines for, and gains from, precommercial thinning both strongly depend on the size of trees wanted at the first commercial cut; the larger this size, (1) the fewer trees should be left after precommercial thinning, (2) the greater is the maximum age or tree size at which precommercial thinning is practical, and (3) the greater is the gain is usable yield from precommercial thinning. Also, generally, the longer the time required for a stand to reach commercial size without thinning, the greater the gains from precommercial thinning. These and other considerations are discussed, and procedures are recommended.
Author: Donald L. Reukema
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 10
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Book Description
Author: Donald L. Reukema
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 16
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Book Description
Production of merchantable wood in even-aged Douglas-fir stands can be increased substantially by precommercial thinning. Guidelines for, and gains from, precommercial thinning both strongly depend on the size of trees wanted at the first commercial cut; the larger this size, (1) the fewer trees should be left after precommercial thinning, (2) the greater is the maximum age or tree size at which precommercial thinning is practical, and (3) the greater is the gain is usable yield from precommercial thinning. Also, generally, the longer the time required for a stand to reach commercial size without thinning, the greater the gains from precommercial thinning. These and other considerations are discussed, and procedures are recommended.
Author: William Koss
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 44
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Book Description
Author: Donald L. Reukema
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 44
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Book Description
Author: David Bruce
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 34
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 224
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Book Description
Author: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 224
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Book Description
Author:
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 6
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Book Description