Knots in Second-growth Pine and the Desirability of Pruning

Knots in Second-growth Pine and the Desirability of Pruning

Author: Benson H. Paul

Publisher:

Published: 1938

Total Pages: 1026

ISBN-13:

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The pruning of young trees in sparsely and unevenly stocked stands will greatly improve the resulting lumber grades. In northern white and red pines, even in fully stocked stands, artificial pruning is essential for the production of any of the best grades of lumber in a reasonable time.


Bibliography on Soil Erosion and Soil and Water Conservation

Bibliography on Soil Erosion and Soil and Water Conservation

Author:

Publisher:

Published: 1938

Total Pages: 672

ISBN-13:

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This bibliography is a list of references to published material on soil erosion and soil and water conservation. Some of these references may not appear to deal directly with erosion or conservation, but they have a pertinent relationship to some phase of the subject.


Report

Report

Author: National researc council. Division of geology and geography. Committee on sedimentation

Publisher:

Published: 1930

Total Pages: 216

ISBN-13:

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