Silica & soil amendment

Strong and healthy plants due to silica (silicon) and no sticking of the soil and roots. Perfect for growing seedlings and in raised beds

Rice husk ash has several advantages that make it an attractive option for horticulture:

  1. Soil improvement: Rice husk ash can improve soil structure, especially if the soil is heavy and clayey. It helps to promote soil loosening and aeration.
  2. Nutrient supply: Rice husk ash contains various nutrients such as potassium, phosphorus, calcium and magnesium. These nutrients can be absorbed by plants and contribute to the healthy development of roots and plants.
  3. pH regulation: rice husk ash has the ability to increase the pH of the soil. This can be particularly beneficial in acidic soils, as many plants prefer a slightly acidic to neutral pH.
  4. Protection against pests and diseases: Rice husk ash can have a deterrent effect on certain pests such as slugs. It can also help reduce fungal infections and some soil diseases.
  5. Water retention: rice husk ash has a porous structure that can help retain water in the soil. This can help retain moisture for plant roots longer, reducing the need for irrigation.
  6. Improving aeration: adding rice husk ash to soil can improve its permeability and promote aeration. This is important to improve the oxygen supply to the roots and promote root growth.

Rice husk ash consists primarily of silicate minerals such as silicon dioxide (SiO2), which is often the largest component. Other silicate minerals that may be present in lesser amounts are aluminum silicates such as feldspar and clay minerals.

In addition, rice husk ash also contains other minerals such as potassium oxide (K2O) and calcium oxide (CaO), which are produced by the combustion of rice husks. These minerals are important nutrients and contribute to the fertilizing effect of the ash.