ASP 2.1 Review CASE

Clay particles are larger in size than silt particles

• True

• False

List the soil particles in order from largest to smallest grain size: sand, clay, gravel & silt

Sand will feel smooth and sticky when conducting a soil texture test

• True

• False

Clay soils have good permeability compared to sandy soils

• True

• False

Place the soil Textures in order from best to worst regarding soil permeability characteristics: gravel, clay, silt, sand

What is soil structure?

• structure refers to how quickly water filters through the soil

• structure refers to the size of the particles in the soil

•  structure is a measurement of the ability for soil to hold water

• structure refers to the arrangement of soil

How do organic matter and minerals affect the water holding capacity of a soil?

•  mineral matter acts like a sponge to hold water in the soil

•  organic matter  add parent material to profile

•  organic matter acts like a sponge to hold water in the soil

• organic matter allows water to drink quickly from the soil

organic matter adds to soil porosity

• True

• False

Organic matter can consist of which of the following substances?

• Rock particles

• decaying plant parts

• soil minerals

• Water

Temperature and rainfall influence the amount of organic matter found in the soil

• True

• False