Why Your Plants Need Nitrogen to Be Healthy

Written by Amir Tajer


Posted on February 18 2022

Nitrogen is one of the essential nutrients for plant growth. It is responsible for many aspects of plant health, including leaf color, stem growth, and seed production.

A plant deficient in nitrogen will often have stunted growth and a yellowish or pale green color.

We will discuss the importance of nitrogen in plant growth and correct a nitrogen deficiency.

Why Do Plants Need Nitrogen?

Green leafy plant

Nitrogen is one of the essential elements in plant growth. It plays a critical role in photosynthesis, stimulates healthy leaf and stem growth, increases the protein content, and enhances plant health.

A nitrogen deficiency will result in stunted or weak plants that exhibit chlorosis (yellowing) between the veins of older leaves due to too little chlorophyll production.

Stunted plants are also more susceptible to disease and insect damage since they cannot produce compounds that deter pests effectively enough for normal development.

In addition, nitrogen deficiencies can create an imbalance between sugar and starch reserves which disrupts energy storage within plants' cells resulting in smaller yields at harvest time.

Therefore, it makes sense to keep the soil or hydroponic system nitrogen-rich to ensure proper plant development and a more bountiful harvest.

What Does Nitrogen Do for Plant Health?

Nitrogen on periodic table

Nitrogen is a building block of amino acids, chlorophyll, nucleic acid, and enzymes. The plants use nitrogen for protein production and growth. It also helps with photosynthesis by providing energy to the plant during its growing period.

It's a critical element of producing foliage and stems and keeping it lush green and healthy-looking.

Plants deficient in nitrogen will have leaves showing yellowing or wilting due to a lack of nutrients being passed through the plant tissue delivery system into the leaves themselves, which causes them to turn yellow before they die off entirely.

Nitrogen promotes faster root development because it increases soil bacteria levels which help break down organic matter more quickly.

The bacteria also help to make nutrients available to the plants.

Related Posts: How Do Your Plants Get Sick?

How Does a Plant Become Deficient in Nitrogen?

Soil health

A plant can become deficient in nitrogen for several reasons. One common sense is when the soil becomes depleted of nitrogen over time.

It can be due to repeated use of the same fertilizer, poor soil quality, or heavy rains that leach nutrients from the soil.

A plant may also become deficient in nitrogen if it is not getting enough sunlight.

Without enough sunlight, the plant will not produce enough chlorophyll, which is necessary for photosynthesis and the absorption of nitrogen from the soil.

Related Post: Fertilizer Toxicity vs. Nutrient Deficiency: Spotting the Difference

What Are the Symptoms of Nitrogen Deficiency?

Symptoms of nitrogen deficiency in plants

There are various symptoms of nitrogen deficiency in plants: chlorosis (loss of green color), stunted growth, decreased yields, and disease susceptibility.

Nitrogen deficiency can be identified by doing a soil test.

If you see any of these symptoms in your plants, they are likely deficient in nitrogen, and you will need to take corrective action.

Related Post: 8 Reasons Why Your Plant's Leaves Are Turning Yellow

How Do You Correct Nitrogen Deficiency?

Blood meal fertilizer

The best way to correct a nitrogen deficiency is by using a nitrogen fertilizer.

You can also add organic matter to the soil, which will help release nitrogen slowly over time.

If the plant is very deficient in nitrogen, you may need to give it a quick boost with liquid fertilizer or urea fertilizer from Greenway Biotech.

Be careful not to overdose the plant with too much nitrogen, as this can also be harmful.

At Greenway Biotech, we have a variety of high nitrogen fertilizers that include slow-release, water-soluble, and raw material nitrogen fertilizers that will help to correct a nitrogen deficiency.

You can contact us today to start a fertilizer program that includes nitrogen to help your plants thrive or buy our nitrogen-rich fertilizers in our online store.





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