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8 Matching Results
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Nitrogen-fixing bacteria and legumes.
Describes the importance of nitrogen-fixing bacteria on crops of legumes.
Date:
December 1937
Creator:
Leonard, Lewis T. (Lewis Thompson), 1885-
System:
The UNT Digital Library
Soil and water conservation in the Pacific Northwest.
Describes types of erosion and methods for preventing the erosion of soil by water and wind.
Date:
July 1937
Creator:
Rowalt, E. M.
System:
The UNT Digital Library
Mosquito remedies and preventives.
Describes measures, substances, and materials, both offensive and defensive, that have been found most effective against mosquitoes.
Date:
June 1932
Creator:
Howard, L. O. (Leland Ossian), 1857-1950 & Bishopp, F. C. (Fred Corry), 1884-1970
System:
The UNT Digital Library
Arbor day, its purpose and observance.
Discusses Arbor Day as a holiday that recognizes the importance of United States forests and discusses a citizen's duty to preserve them and foster new growth of trees.
Date:
November 1936
Creator:
United States. Forest Service.
System:
The UNT Digital Library
Game management on the farm.
Describes ways that a farmer can support game on his land to make the best use of otherwise wasted land. Provides an overview of practical game management practices.
Date:
October 1936
Creator:
Darling, Jay N. (Jay Norwood), 1876-1962.; Sheldon, H. P. & Gabrielson, Ira Noel, 1889-
System:
The UNT Digital Library
Soil-Depleting, Soil-Conserving, and Soil-Building Crops.
Discusses soil conservation in a clear and concise manner. Discusses soil building, soil conserving, and soil depleting crops as well as the minerals to be found in soil.
Date:
September 1938
Creator:
United States. Bureau of Plant Industry.
System:
The UNT Digital Library
Legumes in Soil Conservation Practices.
Describes measures for preventing soil erosion through the planting of legumes.
Date:
1938
Creator:
Pieters, A. J.
System:
The UNT Digital Library
Dual-Purpose Pines.
Describes dual-purpose pines, which yield both naval stores and wood; provides suggestions for managing dual-purpose pines.
Date:
January 1939
Creator:
United States. Forest Service. Division of State and Private Forestry.
System:
The UNT Digital Library