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Soil nutrient loss

Impact

Soil fertility refers to the quantity and balance of soil nutrients available to plants for growth.  Soil nutrients are divided into macro- and micronutrient categories depending on the quantities required by the plant.  Important macronutrients include: Nitrogen, Phosphorus, Calcium, Magnesium, Sulphur, Carbon, Oxygen and Hydrogen.  Important micronutrients include: Boron, Manganese, Copper, Iron, Molybdenum, Zinc, Cobalt, Chlorine and Silicon. 

Suggested indicator: Soil chemistry*
Soil nutrient loss may be associated with:
 Potential associated impacts  Suggested indicators

Reduced soil fertility and subsequent reduction in plant growth, leading to:

  • Reduced ground and canopy cover;
  • Changed vegetation condition; and
  • Invasion of weed species if the reduction in desirable plant species lessens competition for weeds and allows their establishment and/or increase.
Reduced soil biota
  • Soil life*

*Yet to be developed

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