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The National Cooperative Soil Survey Program (NCSS) is a partnership led by the United States Department of Agriculture's Natural Resources Conservation Service of Federal land management agencies, state agricultural experiment stations, counties, conservation districts, and other special-purpose districts that provide soil survey information necessary for understanding, managing, conserving ...
USDA soil taxonomy (ST) developed by the United States Department of Agriculture and the National Cooperative Soil Survey provides an elaborate classification of soil types according to several parameters (most commonly their properties) and in several levels: Order, Suborder, Great Group, Subgroup, Family, and Series.
The service was transferred to the Department of Agriculture on March 23, 1935, and was shortly thereafter combined with other USDA units to form the Soil Conservation Service by the Soil Conservation and Domestic Allotment Act of 1935. [6] [7] The SCS was in charge of 500 Civilian Conservation Corps camps between 1933 and 1942.
The information in a soil survey can be used by farmers and ranchers to help determine whether a particular soil type is suited for crops or livestock and what type of soil management might be required. An architect or engineer might use the engineering properties of a soil to determine whether it is suitable for a certain type of construction.
Soil Classification Working Group. (2018). Soil classification: a natural and anthropogenic system for South Africa, third edition. Agricultural Research Council; Institute for Soil, Climate and Water. Pretoria, RSA. Soil Survey Staff. (1999). Soil taxonomy: a basic system of soil classification for making and interpreting soil surveys (2nd ed.).
Selection of a hydrologic soil group should be done based on measured infiltration rates, soil survey (such as the NRCS Web Soil Survey), or judgement from a qualified soil science or geotechnical professional. The table below presents curve numbers for antecedent soil moisture condition II (average moisture condition).
Curtis Marbut (second) on International Congress of Soil Science, 1927. Curtis Fletcher Marbut (1863–1935) served as Director of the Soil Survey Division of the U.S. Department of Agriculture from 1913 until his death in 1935. Marbut developed the first formal soil classification scheme for the United States. [1]
The United States Department of Agriculture (USDA) is an executive department of the United States federal government that aims to meet the needs of commercial farming and livestock food production, promotes agricultural trade and production, works to assure food safety, protects natural resources, fosters rural communities and works to end hunger in the United States and internationally.