Soil Components Flashcards

1

What is the area between soil particles called?

Pore Spaces
Horizons
Humus
Soil Profile

2

Which of the following is NOT a type of soil particle?

Clay
Silt
Rock
Sand

3

Which soil component makes up 45% of the ideal soil?

Water
Air
Minerals
Organic Matter

4

What type soil is 60% Silt & 40% sand?

Silty Clay
Silt
Silt Loam
Silt Clay Loam

5

Which soil component makes up 5% of an ideal soil?

Water
Minerals
Air
Organic Matter

6

Which soil component makes up 25% of the ideal soil?

Organic Matter
Air
Water & Air
Water

7

Which soil particle is the smallest is size?

Sand
Rock
Clay
Silt

8

What is weathering?

Breaking down of soil by microorganisums only
Loss of nutrient and mineral that have bwashed through soil
Breaking down of soil over time & exposure to the elements
Breaking down of soil by water only

9

What type of soil is 20% clay, 10% silt, 70% sand?

Sandy Loam
Loamy Sand
Sandy Clay Loam
Sandy Clay

10

Which soil Horizon is also known as "bedrock"?

R Horizon
A Horizon
B Horizon
C Horizon

11

Which soil horizon contains decomposed plants & animals?

O Horizon
A Horizon
C Horizon
B Horizon

12

What is Leaching?

Loss of nutrients, happens in the lower layers of soil
Loss of nutrients happens with over watering only
Just enough nutrients, happens in B Horizon
Excess nutrients, happens in the soil in the upper layers

13

Which soil horizon is commonly called the subsoil?

C Horizon
R Horizon
A Horizon
B Horizon

14

Which soil particle is the largest is size?

Rock
Sand
Clay
Silt

15

What is soil that is 70% clay & 30% silt?

Clay
Clay Loam
Loam
Sandy Loam

Soil Components

Questions 15

Soil Components

Questions 15