brown earth soil formation Flashcards
1
Q
climate
A
- warmer conditions and lower precipitation allows for the rapid decomposition of plant litter
- not much leaching as there is a close balance of precipitation and evaporation
2
Q
relief
A
- forward facing south slopes which are flatter or gently sloping land in low-lying areas resulting in thick soil which is well drained.
- far more fertile than other soil types due to their deep nature and free drainage
3
Q
organisms
A
- deciduous trees produce an abundance of leaf litter.
- leaf litter produces mildly acidic mull humus
4
Q
parent material
A
- weathered rock such as limestone and schists
- permeable allowing the soil to be free draining and rarely waterlogged.
5
Q
time
A
forming since the end of the last ice age 10,000 years ago