Author : Charles Ernest Ramser
Publisher :
Page : 74 pages
File Size : 38,44 MB
Release : 1936
Category : Crop rotation
ISBN :
Author : United States. Forest Service
Publisher :
Page : 100 pages
File Size : 24,10 MB
Release : 1936
Category : Soil conservation
ISBN :
Author : United States. Department of Agriculture. Library
Publisher :
Page : 668 pages
File Size : 22,99 MB
Release : 1936
Category : Agricultural libraries
ISBN :
Author : United States. Office of Education
Publisher :
Page : 1548 pages
File Size : 16,57 MB
Release : 1935
Category : Teaching
ISBN :
Author :
Publisher :
Page : 220 pages
File Size : 19,7 MB
Release : 1981
Category : Agriculture
ISBN :
Author : United States. Office of Education
Publisher :
Page : 834 pages
File Size : 20,99 MB
Release : 1935
Category : Vocational education
ISBN :
Author : United States. Division of Vocational Education
Publisher :
Page : 208 pages
File Size : 41,27 MB
Release : 1935
Category : Surveying
ISBN :
Author :
Publisher :
Page : 626 pages
File Size : 26,77 MB
Release : 1936
Category : Erosion
ISBN :
Author :
Publisher :
Page : 672 pages
File Size : 10,71 MB
Release : 1938
Category : 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.
Author : Benson H. Paul
Publisher :
Page : 1026 pages
File Size : 27,46 MB
Release : 1938
Category : 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.
