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Manual of Soil Properties and Land Preparation

Use the percentages found in your analysis to locate the soil type:

  • Follow the Clay line horizontally.
  • Follow the Silt line downward to the left.
  • A soil textural triangle diagram used to determine soil classification based on the percentages of clay, silt, and sand. The triangle features three axes: Clay % on the left, Silt % on the right, and Sand % along the bottom. Different regions of the triangle are color-coded to represent fine-textured, medium-textured, and coarse-textured soils.Follow the Sand line upward to the left.