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The Soil and Water Conservation Act (RCA) is a 1977 law (P.L. 95-192) that requires the United States Department of Agriculture (USDA) to periodically prepare a national plan for soil and water conservation on private lands based on an inventory and appraisal of existing resource conditions and trends. [1]
The Soil Conservation Society of America (SCSA) was formed in 1943, "...founded by a small group of soil conservation leaders ... they set about the task of creating an association through which conservationists could increase their efficiency and effectiveness as leaders, improve their vocational competencies, and utilize their combined talents and influence in solving the problems facing ...
EPA found concentrations of lead in the soil in some areas of this OU exceeded the soil action levels of 3,500 parts per million, causing risk of lead contamination in the population. [7] In the mid and late 1990s, 2 programs were launched in Leadville and Lake County respectively with the goal of reducing children's exposure to lead and to ...
The mission of the Society is: "1) to enhance the sustainability of soils, the environment, and society by integrating diverse scientific disciplines and principles in soil science for the wise stewardship of soil and natural resources, and 2) to advance the discovery, practice, and profession of soil science through excellence in the acquisition and application of knowledge to address ...
The Plastic Limit is the water content at which the soil behavior transitions from that of a plastic solid to a brittle solid. The Shrinkage Limit corresponds to a water content below which the soil will not shrink as it dries. The consistency of fine grained soil varies in proportional to the water content in a soil.
The most current soil survey data is made available for high end GIS users such as professional consulting companies and universities. Typical information in a published county soil survey includes the following: [1] a brief overview on how to use the survey; a general soil map for comparing the sustainability of large sections of the county
Deforestation in China's Loess Plateau many years ago has led to soil erosion; this erosion has led to valleys opening up. The increase of soil in the runoff causes the Yellow River to flood and makes it yellow-colored. [207] Greater erosion is not always a consequence of deforestation, as observed in the southwestern regions of the US.
Mountaintop removal mining (MTR), also known as mountaintop mining (MTM), is a form of surface mining at the summit or summit ridge of a mountain. Coal seams are extracted from a mountain by removing the land, or overburden, above the seams. This process is considered to be safer compared to underground mining because the coal seams are ...