Check for Understanding III -Texture & Structure Soil Properties 2015 Soil can be classified into __ textural classes within the USDA Textural Triangle: Eight 12 16 Five

## Step 1<br />The USDA Textural Triangle is a tool used to classify soil based on its texture. The texture of soil is determined by the relative proportions of sand, silt, and clay it contains. <br /><br />## Step 2<br />The USDA Textural Triangle is a ternary plot, which means it has three axes. Each axis represents one of the three soil texture components: sand, silt, and clay.<br /><br />## Step 3<br />The USDA Textural Triangle is used to classify soil into 12 textural classes. These classes are determined by the relative proportions of sand, silt, and clay in the soil.