Ammonium Sulphate for Lawns; Yes or No?

13 May.,2024

 

Ammonium Sulphate for Lawns; Yes or No?

Ammonium Sulphate or Sulphate of Ammonium can create a green lawn faster than most other products but it comes with a warning. Before using Ammonium Sulphate you should carefully consider the drawbacks. Essentially Ammonium Sulphate is straight Nitrogen, a main element in lawns and the N in the NPK ratio often displayed on fertilising products. Being the primary nutrient responsible for green leaf growth, Nitrogen applied on its own will quickly increase green leaf growth but the drawback is that it will not support any other normal developmental processes that your lawn requires. Ammonium Sulphate applications will supercharge the green leaf growth, but at what cost to the long term health of the lawn?

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Rapid leaf growth leads to the potential that your lawn will become scalped after the next mowing or even the next few mowings.  Scalping, in turn, can lead to overall poor health which encourages pest infestation, weed infestation and disease. Your lawn can also struggle to self-repair and can even die if the soil dries out too quickly. Additionally, if the crowns of the lawn raise too high during the leaf growth process and are then removed during lawn mowing, that section of lawn is likely to die.

Even if applied in a controlled manner, Ammonium Sulphate is only ever supplying your lawn with one nutrient. Your lawn also needs elements of Phosphorous and Potassium and other trace elements. Without these additional elements your lawn will always struggle to reach and maintain good health. Ammonium Sulphate is mainly stored within the lawn’s green leaf so when you increase the frequency of mowing to match the rapid growth, the stored Nitrogen is removed along with the removed leaf. So, the result from applying Ammonium Sulphate is only every likely to be temporary. A much better option is to apply a balanced, high quality fertiliser regularly throughout the year; your lawn will receive all the nutrients it required to reach and maintain the best possible health. If you still decide to apply Ammonium Sulphate only apply it in small quantities and only when absolutely necessary.

For more lawn care tips and advice contact the team at Daleys Turf, your local turf farmer.

Greening your lawn with Ammonium Sulphate

Greening your lawn with Ammonium Sulphate

Using Ammonium Sulphate, also called Sulphate of Ammonium, can green your lawn almost faster than anything else on the market. Why would you need to instantly green your lawn? Perhaps you have a special event planned, maybe you have your home on the market and need the property to look its very best.

Now, there can be drawbacks to using ammonium sulphate so read this blog carefully before proceeding.

Ammonium Sulphate is a strong source of Nitrogen, the primary nutrient responsible for green leaf growth. When you apply Nitrogen you essentially power up the green leaf growth without increasing any other usual development processes of the lawn plants. Think of it as supercharging the greening of the lawn.

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With such a sudden growth of the leaf you run the risk of scalping the lawn with the next mowing or even the next few mowings. This can lead to overall poor lawn health and encourage weeds, pests and disease. Take care about using this option during drought or the heat of summer as the lawn will struggle to repair from a scalping and the soil too will be affected.

Even if you use Ammonium Sulphate in a highly controlled manner, you are only applying a single nutrient; for overall health your lawn also needs Phosphorous and Potassium and all of the trace elements. Applying only Ammonium Sulphate also raises the problem that this nutrient will be stored predominantly in the green leaf – when you increase your lawn mowing frequency to match the extra leaf growth you will be removing the stored Nitrogen.

So, using Ammonium Sulphate should only ever be viewed as a temporary exercise.

A better option is a balanced, high quality fertiliser at regular intervals throughout the year in smaller amounts. This course of action ensures that your lawn receives all the nutrients it needs for optimum health and a great green colour all year long.

If you still decide to apply Ammonium Sulphate only apply in very small quantities and only when absolutely necessary and never more than a couple of times per year.

For more lawn care information contact the Harden Park Lawns team and follow our Facebook page.

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