6 Best Nutrients for Tree Growth

Best Nutrients for Tree Growth

Do you know you can provide your tree with the best nutrients that will allow it to grow properly and healthily?  

That is what I will show you in this article. 

Gone are the days when we used to mock our friends with big tummies and thin legs because they didn’t consume nutritious food that could help them look healthy and grow properly. 

The same principle applies to the growth of trees. 

Let me tell you all the best nutrients for tree growth.

Let’s get started.

What nutrients do trees need to survive

Trees require nutrients, including chemical elements and compounds, for their internal metabolism and growth. 

Without the proper nutrients, a tree will struggle to mature and become weak, making it more susceptible to disease.  

Symptoms of poor nutrition include dieback, deformed leaves, bark disorders, withered blossoms, and slow or nonexistent growth.

Trees obtain some of their nutrients from the air, including oxygen, hydrogen, and carbon. 

These are referred to as non-mineral nutrients. 

Through photosynthesis, trees utilize solar energy to convert carbon dioxide (carbon + oxygen) and water (hydrogen + oxygen) into starches and sugars, which serve as the tree’s nourishment.

1. Nitrogen:

Nitrogen is the growth element that stimulates green, leafy growth. It constitutes a primary component of proteins within every living cell. 

Therefore, this element is often more responsible for increasing plant growth than any other nutrient. Nitrogen is transformed into amino acids, the protein building blocks within the plant. 

Since all enzymes are proteins, nitrogen is essential for enzymatic reactions in plants. As a part of the chlorophyll molecule, nitrogen is directly involved in photosynthesis. 

It aids the plant in producing and utilizing carbohydrates. Moreover, it is a component of plant DNA. 

The concentration percentage of nitrogen in fertilizers is the first number listed on a fertilizer bag or box.

Nitrogen Deficiency symptoms: 

Inadequate nitrogen leads to light green or yellowish foliage, slower, stunted growth, and the shedding of older leaves in some plants. 

The yellowing initially appears on the oldest leaves and progresses to the younger ones as the deficiency worsens. 

A nitrogen deficiency can be easily rectified with nitrogen fertilizers. 

Over-fertilization with nitrogen can lead to excessive vegetative growth, lodging (falling over), and poor flowering and fruit set in many plants.

2. Phosphorus:

Phosphorus is one of the major plant nutrients present in the soil. 

It is a constituent of plant cells and is essential for cell division and the development of the plant’s growing tip. 

For this reason, it is crucial for seedlings and young plants. 

Phosphorus is vital in converting the sun’s energy into food, fiber, and oil in plants. 

It is instrumental in photosynthesis, the metabolism of sugars, energy storage and transfer, cell division, cell enlargement, and the transmission of genetic information.

Phosphorus Deficiency Symptoms:

The initial indication of a phosphorus deficiency is often stunted plant growth, which is challenging to diagnose. 

Leaf shapes may become distorted. In plants deficient in phosphorus, young leaves in broadleaf plants may appear dark green with purplish veins, particularly on the undersides. 

Older leaves can develop an overall purplish tint and experience tip dieback. Leaves may also curl, become distorted, smaller than average, and drop prematurely.

3. Potassium:

Potassium is the most abundant inorganic cation, essential for ensuring optimal plant growth. 

Potassium activates numerous vital enzymes in protein synthesis, sugar transport, nitrogen and carbon metabolism, and photosynthesis.

Role of Potassium in Tree Growth:

Potassium (K) plays a significant role in plant physiological processes. 

Therefore, it is significant for proper plant growth and reproduction. It is considered vital, second only to nitrogen, in terms of nutrients required by plants. 

It is also often called “the quality nutrient” due to its contribution to various plant biological and chemical processes. 

Potassium is linked to the movement of water, nutrients, and carbohydrates within plant tissue. 

It also activates the plant’s enzyme, influencing protein, starch, and adenosine triphosphate (ATP) production.

Potassium Deficiency Disease in Plants:

Potassium or potash deficiency is a common plant disorder, especially on light, sandy soils, where potassium ions (K+) are highly soluble and can easily leach from soils lacking colloids. 

Potassium deficiency can also occur in chalky or peaty soils with low clay content.

4. Magnesium:

Magnesium forms the central core of the chlorophyll molecule in plant tissue. 

Therefore, a magnesium deficiency can produce insufficient chlorophyll, leading to poor and stunted plant or tree growth. 

It also aids in activating specific enzyme systems and contributes to the green coloring of trees.

Magnesium is an essential element throughout the whole growth period of a plant. 

It fulfills several functions within the plant; it is a central component of chlorophyll, which supports the function of absorbing sunlight during photosynthesis.

There are many ways to prevent magnesium deficiency in plants, but the most effective way is to add magnesium sulfate or Epsom salts directly to the soil. 

These minerals dissolve quickly and help ensure that plants have enough magnesium.

With magnesium being a component of chlorophyll, the most obvious symptom is chlorosis (yellowing of the leaves). 

Or, more specifically, interveinal chlorosis, the yellowing of the leaf with the veins remaining green.

Using water without calcium causes a magnesium deficiency in plants but can be corrected by supplementation with regular nutrients, including magnesium and calcium. 

Once you have handled the issue, watch the plants closely for signs of deficiency recovery.

Dolomitic Lime is a cheap source of magnesium for plants.

Easy to apply, as the magnesium is in the lime. 

If a pH adjustment is not needed (due to a soil test pH of 6.0 to 6.5), a relatively small amount of dolomitic lime will provide the needed magnesium and be the cheapest option.

When growing in soil, excessive quantities of magnesium do not appear quickly. 

Too much magnesium inhibits the uptake of calcium, and the plant displays general symptoms of an excess of salts, stunted growth, and dark-colored vegetation.

5. Sulfur:

Sulfur is one of the essential nutrients necessary for the adequate growth and development of plants. 

It forms a structural component of protein disulfide bonds, amino acids, vitamins, and cofactors. 

Most of the sulfur in soil is present in organic matter and is, therefore, inaccessible to plants. 

Sulfur serves multiple plant functions, including forming amino acids, proteins, and oils. 

It is essential for chlorophyll formation, promotes nodulation in legumes, and aids in developing and activating certain enzymes and vitamins.

And constitutes a structural component of two of the 21 amino acids that form protein. 

Plants deficient in sulfur may exhibit short and spindly stems and yellowing of the top leaves. 

In cases of nitrogen deficiency, yellowing affects the older, lower leaves first. 

Sulfur helps plants resist disease, contributes to plant growth, and aids seed formation.

Additionally, it plays a role in producing amino acids, proteins, enzymes, and vitamins. 

One effective way to address magnesium deficiency is to add magnesium sulfate or Epsom salts to the soil directly. 

These minerals dissolve quickly and help ensure that plants receive sufficient magnesium.

6. Calcium:

Calcium is an essential nutrient for plants, playing a role in various crucial processes. 

It contributes to cell wall production by strengthening the plant and enhancing its resistance to diseases and pests. 

It also facilitates the absorption of other nutrients from the soil, including nitrogen and water. 

If your tree is not growing as expected or its leaves are yellowing, it might require more calcium. 

A soil test can determine the calcium content in the soil. 

In cases of calcium deficiency, new tissue, such as root tips, young leaves, and shoot tips, may display improper cell wall formation, resulting in visual distortion in new growth. 

Since calcium is a passive element, it relies on transpiration to reach plant roots. 

The roots absorb the necessary calcium during transpiration and transport it to newly growing parts.

Calcium is especially important for young trees as it helps them develop a strong root system. 

Not only that but adding calcium to the soil can additionally help improve drainage and aeration.

Calcium is also an important element for root development and functioning. 

Root growth is severely restricted in Ca-deficient plants, and the roots become more susceptible to bacteria and fungi infections. 

Calcium is required for chromosome stability and cell division.

Crushed oyster shells are the best way to add calcium to your lawn or garden quickly.

Symptoms of calcium deficiency

Symptoms of calcium deficiency first appear on younger leaves and tissues, growth is inhibited; and plants have a bushy appearance. 

The youngest leaves are usually small and misshapen, with brown chlorotic spots developing along the margins, which spread to unite in the center of the leaves eventually.

Excessive calcium can interfere with the uptake of other nutrients and induce deficiencies in other positively charged ions (e.g., ammonium, magnesium, potassium). 

Symptoms appear first on older leaves as yellowing between leaf veins, and in severe cases, can be followed by death of these areas and defoliation.

Plants like tomatoes, peppers, and eggplants,  in particular, will benefit from shell fertilizer, Savio said. 

The extra calcium will help prevent blossom-end rot. Broccoli, cauliflower, Swiss chard, spinach, and amaranth are also calcium-packed and could use extra from eggshells.

Conclusion

By now, you should know the best nutrients for tree growth. These nutrients are essential for cultivating healthy trees. 

However, using the correct measurements for your tree species is crucial. Avoid applying nutrients indiscriminately to prevent deficiencies. 

Always ensure proper application based on your specific tree’s optimal growth and health requirements.

Nutrients are essential elements that plants use for growth, development, and reproduction. Plants need a balanced source of nutrients to support growth. 

Seventeen different nutrients are essential for plants, and they all have a specific function.

Tree and shrub growth is limited more often by a deficiency of nitrogen than by a lack of any other element. 

As a result, trees usually respond best to fertilizer with a 2-1-1 or a 3-1-1 ratio (nitrogen-phosphorus-potassium).

Scroll to Top