Soil - Ha - year 1 - BS06

Which of these are soil types

• sand

• glass

• loam

• silt

Why is soil important for plants?

• Gives foothold for their roots.

• Holds the necessary nutrients

• Filters the rainwater and regulates excess rainwater

• shades them from the sun

The best soil for planting is

• clay loam

• silt

• loamy sand

• silty clay

Chalky soils are very _______ and may be light or heavy

• alkaline

• acidic

• wet

• dark black

Sandy soils are light, dry, warm, ___________ and often acidic

• low in nutrients

• heavy

• stable

• alkaline

Tick the correct feature:

Sand

• warms up quickly after winter

• is light and easily dug

• it holds water and nutrients well

• feels gritty when rubbed between your hands

Soil contains 25% of water, 25% of air and 45% are minerals. The last 5% of the soil is

• water

• minerals

• organic matter

• air

The corners of the soil texture ​triangle are. These are not good for planting

• clay

• silt

• sand

• clay loam

Tick the correct features:

Clay soils are

• heavy

• high in nutrients

• baked dry in summer

• dry and warm in winter

Which are the smallest particles in the soil?

• sand

• silt

• clay

• organic material