Enhance Soil Aeration with Rice Hulls

Improve your garden's soil aeration, water-holding capacity, and drainage; and provide slow-release nutrients with Rice Hulls, the protective husks covering rice grains. These organic 25L bags of Rice Hulls provide a natural alternative for enhancing soil structure, promoting healthy plant growth, and serving as an excellent top dress or mulching layer for your garden.

Features and Benefits

  • High air-filled porosity: Rice Hulls improve soil aeration leading to healthier root development and better plant growth.
  • Excellent water retention: Rice Hulls increase the soil's water-holding capacity, ensuring optimum moisture levels for plant growth.
  • Slow-release nutrients: With high lignin and silica content, Rice Hulls gradually decompose, providing a slow-release source of silica and nitrogen to plants.
  • Organic matter addition: Rice Hulls contribute organic matter to the soil, enhancing overall soil health and fertility.
  • Attractive top dress: The natural colour and texture of Rice Hulls blend seamlessly with other soil components, creating a visually appealing top dress or mulching layer.

How to Use

  1. For a no-till setting, combine equal parts Rice Hulls and Grow Stones, Pumice, or Scoria as an aeration component of your soil mix.
  2. Alternatively, use Rice Hulls alone as your aeration amendment for a few growing cycles, depending on microbial activity.
  3. Spread the rice hulls on the soil surface to create a top dress or mulching layer, blending well with other soil components for a natural appearance.
  4. Monitor the decomposition of Rice Hulls and replenish as needed to ensure the continued benefit of added nutrients and aeration.

Aqua Gardening Suggests These are Best For

Rice Hulls are perfect for gardeners seeking an organic soil amendment that improves aeration, retains water, offers slow-release nutrients, and provides an attractive top dress or mulching layer for various plant types, including vegetables, flowers, and shrubs.

Notes from Aqua Gardening

  • Rice Hulls are sold in approximately 25-litre bags. Quantity may slightly vary.
  • Monitor the breakdown process of Rice Hulls and replenish as needed for continued benefits.
  • Always start with a small amount and adjust accordingly based on your plants' needs and observed results.


What are the benefits of using Rice Hulls in my garden soil?

Rice Hulls offer several benefits for your garden soil, including improved aeration, water-holding capacity, and drainage. They also break down slowly, making them a slow-release source of silica and nitrogen for your plants, and provide more organic matter to the soil. Additionally, Rice Hulls can be used as a top dressing or mulching layer, blending nicely with other soil components.

How do Rice Hulls contribute to healthy plant growth?

Rice Hulls contribute to healthy plant growth by providing excellent aeration and water drainage, preventing soil compaction and root disease. They also slowly release silica and nitrogen, essential nutrients for strong plant growth and development.

Can I use Rice Hulls with other soil amendments, like Grow Stones or Pumice?

Yes, you can use Rice Hulls in combination with other soil amendments. In a NoTill setting, it is recommended to use equal parts Rice Hulls and another aeration amendment, such as Grow Stones, Pumice, or Scoria.

What is the recommended usage rate for Rice Hulls in my garden soil mix?

If used alone as an aeration amendment, Rice Hulls can be added to your soil mix for a few growing cycles, depending on the level of microbial activity in your soil. For a NoTill setting, combine equal parts Rice Hulls with another aeration amendment to achieve optimal results.

Are Rice Hulls an eco-friendly option for my garden?

Yes, Rice Hulls are an eco-friendly option. They are a byproduct of rice production and provide an excellent, natural way to improve the quality of your soil without adding synthetic fertilisers or chemical additives.

How much Rice Hulls do I need to amend my soil?

The amount needed depends on the size of your garden and the other amendments used within your soil mix. Rice Hulls are sold per bag, with approximately 25 litres per bag. If you are unsure about the exact amount needed, it is advisable to consult a gardening expert or conduct a small trial in a portion of your garden before adding Rice Hulls to the entire area.

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(SKU: 129321)

Excellent air-filled porosity and drainage, Slow release source of silica and nitrogen, Provides organic matter to soil, Good for top dressing and mulching

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