Efficient Irrigation with Fertigation: How to Install a Fertigation System

Irrigation is an essential aspect of agriculture, and with the increasing demand for food, farmers are seeking ways to improve their water management strategies. Fertigation is an irrigation method that has gained popularity in recent years for its efficiency in delivering water and nutrients to plants. 

In this blog post, we will discuss what fertigation is, its benefits, and how to install a fertigation system for fruit production.

What is Fertigation?

Fertigation is a combination of fertilization and irrigation, and it involves the application of fertilizers through an irrigation system. This method delivers water and nutrients directly to the plant’s root system, providing an efficient and effective way to ensure that plants receive the nutrients they need to grow and produce fruit.

Benefits of Fertigation

Fertigation offers several benefits for fruit production. Firstly, it ensures that plants receive a consistent supply of nutrients, which can improve fruit quality and yield. 

Secondly, it reduces the risk of over or under-fertilization, as the nutrients are applied in small and precise amounts. With precise control over nutrient application and water distribution, fertigation can also save farmers money on fertilizer costs and reduce the risk of environmental damage from nutrient leaching.

In addition to the benefits mentioned above, fertigation also allows for the use of slow-release fertilizers that can provide a continuous supply of nutrients to plants over an extended period. 

This reduces the need for frequent fertilizer applications, saving farmers time and money.

Furthermore, fertigation can be used in combination with other sustainable agriculture practices such as cover cropping and crop rotation. 

Cover cropping can help improve soil health and water retention, while crop rotation can reduce pest and disease pressure. Fertigation can enhance these practices by providing the plants with a consistent supply of nutrients.

Installing a Fertigation System

Before installing a fertigation system, evaluating the soil and water quality of your orchard or vineyard is essential. This will help determine your crop’s appropriate fertilizer type and application rate. You should also consider the irrigation system you currently have in place and whether it is compatible with fertigation.

Here are the steps to follow when installing a fertigation system:

Choose the Fertilizer Injector

The fertilizer injector is the heart of the fertigation system and is responsible for injecting the fertilizer solution into the irrigation water. There are two types of fertilizer injectors: venturi and positive displacement.

Venturi injectors use water pressure to create a vacuum that draws the fertilizer solution into the water stream, while positive displacement injectors use a motor or pump to inject the solution. Positive displacement injectors are more expensive but offer greater precision and consistency in fertilizer application.

Install the Backflow Prevention Device

A backflow prevention device is essential to prevent fertilizer from contaminating the water supply. It ensures that water flows in only one direction, from the irrigation system to the plant. And prevents backflow from the plant to the irrigation system.

A backflow prevention device is not only essential for preventing fertilizer contamination of the water supply but is also required by law in many jurisdictions to protect public health. Backflow can occur when there is a drop in the water pressure, such as during a water main break. Which can cause water to flow back into the irrigation system, potentially contaminating the fertilizer solution. 

Therefore, it is important to choose a backflow prevention device that is appropriate for the size and type of the irrigation system and to have it tested regularly to ensure its effectiveness.

Install the Fertilizer Tank

The fertilizer tank holds the fertilizer solution and should be placed near the fertilizer injector for easy access. It should be made of a non-corrosive material, such as plastic or stainless steel. And should have a lid to prevent contamination.

In addition to selecting a non-corrosive material for the fertilizer tank, it is important to consider the size of the tank relative to the irrigation system’s flow rate and the planting area’s size. The tank’s size should be sufficient to hold enough fertilizer solution to fertilize the plants in the field for a designated period without the need for frequent refills. 

A lid with a tight seal is essential to prevent evaporation and contamination of the fertilizer solution. Which can affect its nutrient content and lead to inconsistent plant growth.

Install the Irrigation System

The irrigation system should be designed to distribute water and fertilizer evenly throughout the orchard or vineyard. Drip irrigation is the most common method for fertigation, as it allows for precise water application and reduces water waste.

When designing the irrigation system for fertigation, it is essential to consider the topography of the orchard or vineyard, as well as the soil type and the water requirements of the plants. This will help to ensure that the irrigation system is efficient and that water and fertilizer are being distributed evenly to all parts of the field. 

Additionally, using a soil moisture sensor can help farmers monitor their crops’ water needs and adjust the fertigation schedule accordingly.

 Calibrate the Fertilizer Injector

Calibrating the fertilizer injector is essential to ensure that the correct amount of fertilizer is applied to the plants. This can be done by measuring the flow rate of the irrigation system and adjusting the fertilizer injector accordingly.

It is important to note that the flow rate of the irrigation system can fluctuate depending on various factors such as water pressure, temperature, and humidity. Therefore, it is recommended to recalibrate the fertilizer injector periodically to ensure that the correct amount of fertilizer is being applied to the plants. 

This will prevent over-fertilization or under-fertilization, which can have negative impacts on plant growth and fruit quality.

Monitor and Maintain the System

Regularly monitoring and maintaining the fertigation system is crucial to ensure its efficiency and longevity. This includes checking the fertilizer injector for clogs, cleaning the filter screens, and replacing worn parts.

The fertigation system should be monitored and maintained at least once a year. It is important to check the system for leaks and blockages that can compromise the effectiveness of the system. Additionally, it is crucial to keep track of the pH and EC levels of the fertilizer solution to ensure that the plants are receiving the appropriate nutrients and that the system is functioning correctly.


In conclusion, installing a fertigation system can be a game-changer for fruit production. Farmers can improve their water management strategies with proper installation and maintenance, increase crop yields, and reduce environmental damage. By combining fertigation with other sustainable agriculture practices. Farmers can achieve even greater benefits for their crops, soil, and the environment.

  Authors bio

Lucas Green is a young digital marketing enthusiast from Phoenix, Arizona, US. Passionate about graphic design, social networking, content writing, and business in general. In his spare time, he writes extensively about graphic design, traveling, and business for SEO Thugs.

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