Question

what are the textural classes of two soils the first with 15%clay and 45%silt amd the second one with 80% sand and 10%clay?​

Answer 1

Answer:

Soil Texture Analysis is done by determining the percentage of sand, silt and clay in a given soil. Those findings are plugged into a texture analysis triangle (see chart below) to determine soil classification. The triangle is used by extending lines from the appropriate starting points, parallel to the side of the triangle, counterclockwise to the side where the line began. For example, if a soil texture analysis discovered 40 percent sand, 40 percent silt and 20 percent clay, the first line would begin on the 40 mark of the “percent sand” side of the triangle, drawn parallel to the “percent silt” side. The second line begins at the 40 mark on the “percent silt” and is drawn parallel to the “percent clay” side. Where those two lines meet is the texture classification of the soil. The third line may be drawn to complete the triangulation, but it is not necessary.

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