Lesson 5: Zonal soils Flashcards
1
Q
Where are Podsol soils found? 2 examples:
A
- Boreal zones of the northern hemisphere
- Some areas of scotland
2
Q
How old are Podsol soils generally?
A
3000-5000 years old
3
Q
Do podsol soils have a high or low ph?
A
low
4
Q
Which type of plants grow on Podsol soils? Name 2 examples
A
acidic plants e.g. witch -alder and holly
5
Q
How do podsol soils affect human’s agricultural activities?
A
- crop growth is limited- acidic soils= lack of nutrients
However, arable farming is possible in some locations by application of lime and artificial fertilisers
6
Q
Where are ferralsol soils found? and give 3 examples
A
tropical regions- brazil, angola, guinea
7
Q
Are ferralsol soils low or high ph?
A
low ph (acidic)
8
Q
What colour are ferralsol soils?
A
red/yellow
9
Q
How do ferralsol soils affect human agricultural activites?
A
well drained -> nutrients can be leached-> harder to grow things
BUT…
can help avoid flooding
does not get eroded as easily as other types of soil
