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  • Writer's pictureShelby Pietersen

How to optimise your soil for trees

It is essential to optimise your soil if you want your trees to thrive and be healthy. Understanding these requirements is the key to ensuring your trees are robust and healthy -

since trees require specific soil conditions in order to thrive. In this blog post, we will go

over some important factors to consider when optimizing the soil for your trees and provide

tips on how to improve your soil for the best tree growth.


The pH of your soil

The pH of your soil is the most crucial component to take into account. The ideal soil pH range for trees is between 6 and 7. It will be challenging for your trees to take up the

appropriate balance of nutrients if your soil is either too alkaline or too acidic. Using a soil

test kit, you may check the pH level of your soil and work on tuning it to the proper level

with various additives or soils.


The nutrients in your soil

The nutrients in your soil are another crucial element. In order to flourish, trees require a

variety of nutrients, such as nitrogen, phosphorus, and potassium (NPK). Your soil should

also include sufficient amounts of other essential elements like magnesium, calcium, and

sulphur. Fortunately, there is tree-specific fertilizer that is especially made for trees that will

include everything that your trees require.


Your soil's texture

Your soil's texture is also important. Trees prefer organically dense, well-drained soil. Your

tree's roots could suffocate if your soil is heavy or contains too much clay since it won't

drain well. You can incorporate organic matter, such as various specific compost, to

enhance the texture of your soil. This can enhance the drainage, and total oxygen and

increase the soil's nutrient content.


Drainage and mulching

For trees, proper drainage is also essential. Standing water can smother the oxygen that

tree roots need, which can result in root rot, hurting its immune system and can even kill

the tree in the process. When planting the tree, you could establish raised beds to ensure

your soil can easily drain if it needs to. The roots will be able to breathe and remain above

the water table as a result.


Mulching is a great idea for improving the soil quality for your trees. This involves

applying a layer of organic material at and around the tree base. The layer of mulch will

protect the roots from high temperatures, inhibit weed growth, and help to retain the

moisture in the soil. As it decomposes, it also adds organic matter and vital nutrients to the

soil. A mulch covering of 5-10cm will do.


Keep an eye on the water

Finally, it's important to pay attention to how much water your tree gets. Underwatering can

create stress and increase the tree's susceptibility to pests and diseases, while

overwatering can result in root rot and fungal diseases. On the other hand, it's also

important to understand how much water your trees actually need, which depends on

various factors such as the species, size, and soil type. As a general rule of thumb, let the

tree's root zone dry out slightly between watering sessions.


In conclusion, optimizing your soil will help your trees grow properly and stay healthy. You

can create the ideal habitat for your trees to flourish by being aware of the pH level,

nutritional content, texture, drainage, and water requirements. The main contributor to a healthy tree is healthy soil teeming with the right microbes, so taking the time to improve it now will pay off later.


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