Land management lecture 1 Flashcards
1
Q
What is soil degradation
A
Soil degradation is the decline in soil condition caused by its improper use or poor management, usually for agricultural, industrial or urban purposes.
2
Q
Effects of soil degradation
A
- Less bio diversity
- Lands are exhausted
- Fertility becomes less
- Dusts storms
- No water uptake in ground
- Easy landslides
3
Q
Purpose for identify soil types around the world
A
- Summary of information
- Comparison of soils
- Evaluation of soil: Land suitability
4
Q
Land in the Netherlands
A
- Large variety of soil types
- Animal husbandry across the country
- Forage necessary for horses and ruminants
- Cultivation for economic reason and increased focus on stainable production
5
Q
Factors that define a landscape
A
- Distance to sea
- Climate
- Relief
- Plant succession
- Human impact
- Tectonic movements
6
Q
What is a good soil
A
- Moisture
- Plant nutrients
- Soil structure
- Soil and crop health
7
Q
Evaluation soil
A
Visual-> aggregates and earth worms
In the laboratory
8
Q
Visual soil assessment
A
- Dig a chunk of soil
- Observe roots
- Look for biological life
- Observe structure
