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Fertilisers - Coggle Diagram

- - - - :-1::skin-tone-2: nitrogen, phosphorus, potassium
      - :+1::skin-tone-2: organic matter or humus
      - large quantities
    - - buries plants (or parts...)
      - legumes
        
        clover
        
        vetch
        
        cowpeas
    - - decomposition of organic waste
        
        leaves
        
        newspaper
        
        kitchen waste
      - rich in nutrients
- - - - mineral or synthetic