Farmers' Bulletin

Farmers' Bulletin
Author: United States. Department of Agriculture
Publisher:
Total Pages: 846
Release: 1920
Genre: Agriculture
ISBN:

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:
Total Pages: 1026
Release: 1938
Genre: Pine
ISBN:

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:
Total Pages: 672
Release: 1938
Genre: Agriculture
ISBN:

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.

Agriculture ...

Agriculture ...
Author: Boy Scouts of America
Publisher:
Total Pages: 52
Release: 1925
Genre: Agriculture
ISBN:

Vocational Education

Vocational Education
Author: California. State Board of Education
Publisher:
Total Pages: 32
Release: 1919
Genre: Vocational education
ISBN: