Soil 🪴

Question 1

Name 5 components of soil

Answer 1

Mineral matter (45%)
Water (25%)
Air (25%)
Humus (4%)
Living Organisms (1%)

Question 2

What is humus

Answer 2

Humus is a dark, jelly-like substance rich in nutrients.
It forms from the decayed remains of plants and animals, a process known as humification.
Humus helps bind soil particles together, improving soil structure and fertility

Question 3

Soil profile order

Answer 3

Top= o horizon
A horizon
B horizon
C horizon

Question 4

O horizon =

Answer 4

Organic layer

Question 5

A horizon =

Answer 5

Topsoil

Question 6

B horizon=

Answer 6

Subsoil

Question 7

C horizon=

Answer 7

Parent rock

Question 8

Name two types of soils

Answer 8

Brown earth soils
Podzol soils

Question 9

What colour are brown earth soils

Answer 9

Dark brown, indicating rich organic content

Question 10

Brown earth soils formation

Answer 10

Found in areas that were once covered by deciduous forests.
Common in the Midlands, south, and east of Ireland, where the climate is moderate

Question 11

Uses of brown earth soil

Answer 11

Very fertile and suitable for arable and pastoral farming.
Ideal for crops and grazing due to its well-drained nature and rich nutrient content

Question 12

Define leaching

Answer 12

A process in soils where minerals are washed away by water (usually rainfall

Question 13

Is brown earth soil well drained or not

Answer 13

Well drained