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Clay panel or clay board (also known as loam panel, clay wallboard, clay building board, or clay building panel) is a panel made of clay with some additives. The clay is mixed with sand , water , and fiber , typically wood fiber , and sometimes other additives like starch. [ 1 ]
Map of the United States showing what percentage of the soil in a given area is classified as an Ultisol-type soil. The great majority of the land area classified in the highest category (75%-or-greater Ultisol) lies in the South and overlays with the Piedmont Plateau, which runs as a diagonal line through the South from southeast (in Alabama) to northwest (up into parts of Maryland).
A fourth term, loam, is used to describe equal properties of sand, silt, and clay in a soil sample, and lends to the naming of even more classifications, e.g. "clay loam" or "silt loam". Determining soil texture is often aided with the use of a soil texture triangle plot. [5] An example of a soil triangle is found on the right side of the page.
Soil types by clay, silt and sand composition as used by the United States Department of Agriculture. Loam (in geology and soil science) is soil composed mostly of sand (particle size > 63 micrometres (0.0025 in)), silt (particle size > 2 micrometres (7.9 × 10 −5 in)), and a smaller amount of clay (particle size < 2 micrometres (7.9 × 10 −5 in)).
A typical Natchez soil profile consists of a 3-inch (7.6 cm) top soil of dark grayish brown silt loam and to 8 inches (20 cm), a subsurface of brown silt loam, a yellowish brown and dark yellowish brown silt loam subsoil to 36 inches (91 cm) and a substratum that is yellowish brown, and dark yellowish brown silt loam down to 80 inches (200 cm).
Port Silt Loam is the state soil of Oklahoma. This type of soil is reddish in color due to the weathering of reddish sandstones, siltstones, and shales of the Permian period. It is a medium-textured alluvial soil deposited along flood plains. Port Silt Loam can be found in 33 of the 77 counties in Oklahoma and covers around one million acres ...
The runoff curve number (also called a curve number or simply CN) is an empirical parameter used in hydrology for predicting direct runoff or infiltration from rainfall excess. [1]
Antigo soils are among the most extensive soils in Wisconsin.They occur on about 300,000 acres (1,200 km²) in the northern part of the State. Antigo soils are well-drained and formed under northern hardwood forests in loess and loamy sediments over stratified sandy outwash.