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Don’t know much about Seasol? We can kelp.

April 24, 2020

Seaweed (Kelp)

Seaweed is probably the most popular form of organic fertiliser type and usually comes in a blend with additional nutrients like Iron and wetting agents included as well for use on lawns. A common product you might recognise is Seasol.

There is a lot of recorded data from over the years that has documented the effect seaweed has on plant growth. The key component that aids in the development of healthy plant roots is phosphorus.

Seaweed concentrates contain plant nutrients, carbohydrates, trace elements, alginic acid and other bioactive compounds. Alginic acid is a soil conditioner, the other components are considered plant conditioners. Alginic acid combines within the soil to form a polymer which swells when wet, which helps with water retention.

These components make Seaweed ideal for promoting healthy roots and encouraging beneficial micro-organisms within the soil. As a result of this, organic matter will be broken down more efficiently, helping to prevent thatch build up. By promoting healthy roots, you are also helping your lawn to become more drought, frost and heat tolerant.

Another important mineral found in seaweed is Iodine, which aids in the defence against turf disease.

What is Seasol?

Seasol is made from liquid seaweed extract from a specific blend of kelp species including King Island Bull Kelp. The kelp is sustainably sourced from the shores of Tasmania and King Island. The seaweed solution is then extracted and is sold as 100% pure Seasol liquid concentrate.

For lawns it is recommended you apply 100ml per 9 litres of water, every 2-4 weeks for best results.

Seasol have also developed a product specifically for lawns that contain a liquid fertiliser component. Seasol for Lush Green Lawns is a superior health treatment and liquid fertiliser that combines the benefits of Seasol seaweed solution, a specially formulated nutrient mix, trace elements, concentrated liquid composts and a wetting agent.

Typical Analysis:

W/V: Nitrogen (N) 7.0%. Phosphorus (P) 0.8%. Potassium (K) 5.4%

Seasol for Lush Green Lawns and Seasol for Buffalo Lawns are all liquids, which are readily absorbed into the lawn and the soil. Therefore, you do not need to water them in.

While liquid seaweed products can be beneficial for your lawn’s health, they should not replace fertiliser in your normal lawn care routine.

Slow release granular fertilisers like Lawn Solutions Fertiliser are specifically formulated with the amounts of nutrient recommended for turf grasses. Additional micronutrients and trace elements are also added to the composition which ensure a consistent slow release of nutrient over a long period.

If you would prefer an organic fertiliser for your lawn and garden or are looking for a way to improve the organic structure of your soil, then Seaweed solutions like Seasol are certainly a good option as part of a broader treatment program.