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Soil Conditioner

Soil Conditioner

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What is a Soil Conditioner (20 mm minus) and Why is it Important to Use?

A soil conditioner (20 mm minus) is a soil amendment that is designed to enhance soil structure and fertility. It is critical for the growth of healthy plants since it improves soil structure, water storage, and nutrient supply, thereby creating a successful root environment. Soil conditioners fill the gap between substandard soil and ideal growing conditions. Therefore, they are an integral part for gardeners and farmers alike. Let's talk further about soil conditioner and its importance.

What is a Soil Conditioner (20 mm minus)?

Soil conditioner is a manufactured product using various materials, organic or inorganic, to improve the physical quality and fertility of the soil without adding major amounts of nutrients. Organic (carbon-containing) soil conditioners can be manufactured from several materials, such as animal waste, composted yard or food wastes, cover crops, crop residues, sawdust, biochar, ground pine bark, and peat moss. On the other hand, inorganic (mineral-based) soil conditioners contain usual ingredients like gypsum, lime, perlite, and vermiculite. 

Alternatively referred to as a soil enhancer or a soil amendment, it is responsible for building up the ability of the soil to facilitate plant growth by enhancing characteristics such as aeration, water holding and drainage.

Importance of Soil Conditioners

Soil conditioners play a critical role in improving soil health, promoting plant growth, increasing water retention and drainage, and boosting nutrient availability. So, let’s dive in detail.

Enhanced Soil Structure

Soil conditioners, particularly those which disturb soil compaction, increase aeration, enabling increased oxygen movement to the roots of plants. They also improve drainage, eliminating waterlogging and root rot. Soil conditioners also enable soils to retain moisture, minimising watering frequency and avoiding drought stress.

Increase Nutrient Availability


Soil conditioners, especially organic products, release essential nutrients into the soil so that they are available for plants. Some soil conditioners also assist in modifying the pH level of the soil so that it becomes favourable for certain plants. This is very crucial for soils that have too high or too low pH levels.


Fosters Biological Activity


Soil conditioners provide food and an ideal habitat for good microorganisms, which are essential for nutrient cycling and maintaining soil health. They can also hasten the composting process, increase microbial action and improve the quality of nutrient provision.

Sustainable Agriculture


By improving the health of the soil, soil conditioners reduce the reliance on artificial fertilisers and pesticides, encouraging more sustainable farming practices. They also help to improve the long-term health and fertility of the soil and make it healthier to withstand environmental pressures such as drought and flooding.

Addressing Soil Problems:

Certain soil conditioners have the ability to reduce the impact of saline or alkaline soils, making them suitable for overall plant growth. They also enable the reintegration of damaged soils caused by poor management or other means.

Where to Buy?

Are you looking for high-quality soil enhancers, particularly soil conditioner clay or soil conditioner bunnings? Then, connect with Mega Mulchers. They are known to offer a wide range of soil solutions, such as soil spreader, soil pumping and bulk garden soil. If you want bulk delivery in Sydney, then you can choose the option of ‘soil delivery Sydney’, designed to save time and money.

Final Thoughts

Soil conditioners (20 mm minus) are important in maintaining healthy soil and well-performing plants. They help in sustainable agriculture through better soil structure and fertility, improved water management, increased beneficial microbial action and overall environmental health. By understanding the specific requirements of your soil, you can select the appropriate soil conditioner for optimal benefit and a more efficient agricultural system.