Environmental Policy Collection -
8 Matching Results
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.
Describes dual-purpose pines, which yield both naval stores and wood; provides suggestions for managing dual-purpose pines.
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.
Legumes in soil conservation practices.
Describes measures for preventing soil erosion through the planting of legumes.
Mosquito remedies and preventives.
Describes measures, substances, and materials, both offensive and defensive, that have been found most effective against mosquitoes.
Nitrogen-fixing bacteria and legumes.
Describes the importance of nitrogen-fixing bacteria on crops of legumes.
Soil and water conservation in the Pacific Northwest.
Describes types of erosion and methods for preventing the erosion of soil by water and wind.
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.
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