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Agro-ecological system - Coggle Diagram

- - - - Very little precipitation
      - Vegetation very sparse
      - Temperature very high in the day and very low at night
  - - - Short growing season (6-10 weeks)
        
        Dominant vegetation
        
        Long, cold dark winter (6-10 months)
        
        Type of Tundra:
        
        Antartic Tundra
        
        Alpine Tundra
        
        Arctic Tundra
        
        Very low temperature (below 0'c)
  - - - Crops planted in spring and harvested in summer
      - Livestock farming
      - 4 seasons
      - etc - Maize
- - - - Factors of soil formation :
        
        Climate
        
        Topography
        
        Parent material
        
        Vegetations
        
        Time
- - - - Southern peninsular Malaysia
      - etc - Oil palm cultivation Kedah- Perlis region, Rubber and manggoes
    - - etc - Krian (Perak)
        
        Suitable for Paddy
- - - - Acid rain (low PH)
        
        Killing off life forms
        
        Affecting crops and animals production
      - Heavy metals in soils
        
        Continuous use of fertilizer that contain cadmium contained in Phosphate rocks will pollute the soil and render the crops toxic
  - - - Disertification
        
        Cause: Mismanagement agriculture activity
        
        Effect: Less lands area for agriculture
        
        Global warming
        
        Effect:
        
        Melting of Polar ice cap
        
        Rise of sea level
        
        Cause:
        
        Transportation release
        
        Greenhouse
        
        From industries