Soil 2

Question 1

Between the aggregates are small gaps

Answer 1

pores

Question 2

List me five type of soil.

Answer 2

Platy, prismatic, columnar, blocky, granular
soil structure

Question 3

-flat aggregates
-pile horizon
-overlap and prevent water and air from passing through them.
-commonly found in the “A horizon”

Answer 3

Platy soil

Question 4

-prism like block
-flat top
-1-10cm in diameter
-allow water and air to pass through
-found in the “B horizon

Answer 4

Prismatic soil

Question 5

-cube like block
-1-5 cm in diameter
-allows water, air, and plants roots to pass through
-found in “B horizon” where the soil clay content is high

Answer 5

Blocky soil structure

Question 6

-spherical grains of sand, silt, and clay
- 1-10mm in diameter
-many pores spaces
-allows water, air, and plant root to pass through
-found in “A horizon”

Answer 6

Granular soil

Question 7

The vertical arrangement of soil horizons is called?

Answer 7

soil profile

Question 8

First 3 layer (up to down)

Answer 8

O horizon (organic)
A horizon (topsoil)
E horizon (eluvial)

Question 9

Last 3 layer

Answer 9

B horizon (subsoil)
C horizon (substratum)
R horizon (bedrock)