Soil Texture Triangle Flashcard

Front

What is the soil texture triangle?

Back

A graphical representation used to classify soil based on the relative proportions of sand, silt, and clay.

Front

What are the three main components of soil texture?

Back

Sand, silt, and clay.

Front

How do you calculate the percentage of silt in soil?

Back

Subtract the sum of the percentages of sand and clay from 100%.

Front

What soil texture classification does 30% sand, 50% clay, and 20% silt fall into?

Back

Clay.

Front

What is the textural class of soil with 15% sand, 35% silt, and 50% clay?

Back

Clay.

Front

What is the textural class of soil with 75% sand, 10% silt, and 15% clay?

Back

Sandy loam.

Front

What is the significance of soil texture in agriculture?

Back

Soil texture affects water retention, drainage, and nutrient availability.

Front

What is the role of clay in soil texture?

Back

Clay particles are small and help retain moisture and nutrients.

Front

What is the role of sand in soil texture?

Back

Sand particles are larger and improve drainage and aeration.

Front

What is the role of silt in soil texture?

Back

Silt particles are intermediate in size and help retain moisture while allowing drainage.