Substrado® Sludge Fertilizer

Average composition

Dry substance 40-50%
Organic substance 40-50%
Nitrogen 9,0-14,0 kg/ton DM
Phosphate 6,0-9,0 kg/ton DM
Potassium oxide 11,0-17,0 kg/ton DM
Magnesium oxide 4,0-5,0 kg/ton DM
pH 6,0-7,0
EC 3,0-5,0 mS/cm

Substrado® Sludge fertilizer is a fertilizer that improves the soil structure. It is made of compost, garden peat and various fertilizers including champost.
By mixing Substrado® Sludge fertilizer with existing soil, a soil filled with nutrients is created. Substrado® Sludge fertilizer is also the ideal fertilizer to fertilise Substrado® Urban Garden in the second year. To this effect, mix 10-20% Substrado® Sludge fertilizer through the existing substrate.


  • Structure improvement of the soil
  • Ideal as plant food to mix in the plant hole
  • Give the soil the structure it needs
  • Provides nutrients over a longer period of time
  • Safe on costs by mixing your existing soil

Areas of application

  • Gardens
  • Decorative parks
  • Planting of trees
  • Infrastructure
  • As natural fertilizer in Substrado® Urban Garden each year

Click here for the productsheet.