You limited your search to:
Partner:
UNT Libraries Government Documents Department
Decade:
1930-1939
Collection:
Government Documents A to Z Digitization Project
Collection:
Environmental Policy Collection
- 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. digital.library.unt.edu/ark:/67531/metadc6168/
- 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. digital.library.unt.edu/ark:/67531/metadc5986/
- Soil and water conservation in the Pacific Northwest.
- Describes types of erosion and methods for preventing the erosion of soil by water and wind. digital.library.unt.edu/ark:/67531/metadc3407/
- Nitrogen-fixing bacteria and legumes.
- Describes the importance of nitrogen-fixing bacteria on crops of legumes. digital.library.unt.edu/ark:/67531/metadc3406/
- Mosquito remedies and preventives.
- Describes measures, substances, and materials, both offensive and defensive, that have been found most effective against mosquitoes. digital.library.unt.edu/ark:/67531/metadc3428/
- 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. digital.library.unt.edu/ark:/67531/metadc3441/
- Dual-purpose pines.
- Describes dual-purpose pines, which yield both naval stores and wood; provides suggestions for managing dual-purpose pines. digital.library.unt.edu/ark:/67531/metadc1813/
- Legumes in soil conservation practices.
- Describes measures for preventing soil erosion through the planting of legumes. digital.library.unt.edu/ark:/67531/metadc1561/