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The Benefits of Manganese Element in Agriculture

Explore the crucial role of Manganese in agriculture: Enhancing photosynthesis, root growth, and nitrogen assimilation while balancing soil fertility.

Table of Contents

Manganese is an essential element that crops require throughout their growing season. These are important for root and shoot elongation, promote nitrogen assimilation, and respiration, and perform major roles in plant development. 

I will mention the details of the manganese element and its benefits for agricultural lands in this article. I will share the main plant sources for manganese and their impacts on plant growth. 

Description of Manganese Element

Manganese is a chemical element that is mostly present within the minerals. Mainly, this element is useful for preparing alloys. They play an important role in plant growth and overall productivity. Different plant parts promote the functioning of plant organs and parts. 

Symbol 

Mn

Atomic Number 

25

Atomic mass 

54.938

Chemical properties 

  • Melting point (1247 °C)
  • Density (7.43 g.cm3 at 20°C)
  • Boiling point (2061 °C) 

Physical properties 

Hard, brittle, Silvery gray metal, highly reactive in a pure state, essential for steel and iron manufacturing at the industrial level. 

Sources of Manganese for Plants

Manganese fertilizers are useful for plant growth. Manganese uses the foliar application method for applying fertilizers. The major sources of manganese for the plants are oxides, chelates, chlorides, and in combination with other fertilizers. The natural source of manganese for plants is Seaweed. They are enriched with manganese, which is essential to support many functions in the plant body. 

The Prominent Benefits of Manganese in Agriculture 

Manganese is the essential plant element to keep the plants healthy. Agricultural productivity can be improved using manganese. The most prominent benefits of manganese are as follows:

  • Pollen Germination

Sources of Manganese-Pollen Germination

The process of pollen germination requires the specific content of manganese in the plant cells. The germination period for the pollen is completed through this process. 

  • Detoxification Of ROS

In plants, manganese elements work in favor of plant cells to detoxify the presence of ROS in the body. In most plant parts and cells, the ROS compounds form within the chloroplast, cytosol, peroxisome, and mitochondria. The manganese elements work as a cofactor to promote the working and detoxification of the ROS molecules. 

  • Root Elongation

Root and root hair elongation is important for the growth of plants. The presence of manganese in the plant cells stimulates the growth and elongates the root hairs. 

  • Nitrogen Assimilation

Plants require nitrogen to form important plant organs necessary for the plant’s reproduction and energy. Manganese offers nitrogen assimilation in the plants, enabling them to be used for the plants. These are essential for the plant’s growth and development. 

  • Respiration

Manganese improves the plant structure and helps in the respiration of the plants. They encourage the supply of carbon dioxide within the plant body and help it function. 

  • Pathogen Defense

Manganese helps protect the plant body from pathogen attacks. Many fungi and other microorganisms can affect the plant’s structure and functions. However, the presence of manganese within the plant body positively impacts the plant structure, improving the plant’s immunity with time. 

  • Isoprenoid Biosynthesis 

It acts as a cofactor for the enzymes in the plant body to synthesize isoprenoids. These essential oil products are secreted and produced by the plant gummy exudates. In most trees and shrubs, these are formed as essential particles and act as important growth parameters within the shrubs and trees. It also promotes the growth of the plant body’s orange, yellow, and red pigments. 

  • Activator in the Nitrogen Cycle

Manganese acts as the activator to convert the nitrogen into a soluble form that can be absorbed by the crops easily. These are ready to be taken up by the Nitrogen cycle. Plant roots can uptake the nitrogen, which can then be converted into usable plant form. 

  • Photosynthesis

Sources of Manganese Photosynthesis

Manganese performs a vital role in photosynthesis. Their presence improves the plant structure and encourages the growth of plant parts. Through the utilization of the photosynthesis process, the plants prepare the ATP using the photosystems. 

Water Splitting Reaction in Photosystem 2

Manganese is the most important element for the functioning of photosystem 2 in the process of photosynthesis. It splits the water molecules into molecular Oxygen, 2 protons, and 2 electrons to continue the cycle. That’s why manganese is important to stimulate the formation of ATP in the plant cellar. 

  • Metabolic Roles in the Plants

In plants, manganese can perform the role of a growth stimulator, and they are helpful for metabolic activities. These plants can perform their functions easily by processing manganese uptake in the plant parts. These are essential for the development of the plant’s structure as well. 

Magnese’s Impact on Soil Fertility

In the soil, they act as the main agent that can stimulate the production of healthy plant-based enzymes important for soil fertility. They motivate the working of plant enzymes that perform many symbiotic relationships within the plant roots. They balance the pH of the soil. It’s the major component of the  OEC that is the Oxygen-evolving complex. It also catalyzes the water-splitting reactions within the plant’s body and Improves the soil content with time. It also increases the green content within the leaf parts.

Impact of Manganese Deficiency and Overdose on Agriculture

Impact of Manganese Deficiency and Overdose on Agriculture

The plants with manganese deficiency turn the leaf’s color from yellow to white. Besides this, the leaves and margins curl and become wavy with time. Moreover, it also reduces the shoot growth of the plants.

The overdose of manganese stimulates the necrotic spots on the leaves. Besides this, it also inhibits the growth of the plant parts. It increases the plant toxicity with time. Overdose can also burn the plant system.

Conclusions

Manganese is a plant growth promoter agent that gradually increases the rate of photosynthesis and respiration with the maximum benefits in the plant body. Manganese helps stimulate the growth and development of the plant and fixes the nitrogen concentration to utilize it in the plant parts. This element acts as the main developing agent for the formation of photosystem 2 in photosynthesis. However, the high concentrations of manganese can also damage the plants. That’s why it’s important to use the right quantity of manganese.

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