Soil forming Flashcards
1
Q
Factors that influence soil-forming
A
Climate Organisms Relief Parent material Time
2
Q
Geographical factors
A
Angle of the slope
Altitude
Aspect
3
Q
Soil forming processes
A
Mineralisation Leaching Inversion Bioturbation Humification Eluviation and Illuviation Podzolisation
4
Q
Mineratlisation
A
When the chemical compounds in organic matter decompose into forms that are accessible to plants
5
Q
Humification
A
The formation of humus from plant and animal remains
6
Q
Leaching
A
The washing out of soluble substances from the soil
7
Q
Eluviation
A
The downward movement of dissolved material within soil when rainfall exceeds evaporation
8
Q
Illuviation
A
The precipitation of material leached from upper horizons
9
Q
Inversion
A
Takes place when there is a high content of swelling clay
10
Q
Bioturbanisation
A
The mixing of sediment by organisms especially by burrowing organisms
