Soil Flashcards
1
Q
Topography
A
Physical characteristics of the location where the soil is formed
2
Q
Loam
A
Perfect mixture of clay, sand, silt and humus. Rich of nutrients.
3
Q
Horizons of soil in order from top to bottom! (5)
A
- O horizon
- A horizon
- E horizon
- B horizon
- C horizon
4
Q
O horizon
A
Surface litter: Leaves and partially decomposed organic debris.
5
Q
A horizon
A
Topsoil: Organic matter (humus), living organisms, inorganic minerals
6
Q
E horizon
A
Zone of leaching!: dissolved and suspended materials move downwards
7
Q
B horizon
A
Subsoil: tends to be yellowish in color due to the accumulation of iron, aluminum, humid compounds and clay
8
Q
C horizon
A
Weathered parent material: partially broken down inorganic materials
