Irrigation of greenhouse flower plant cultivation

Haili admin
Jul/04/2025
Irrigation of greenhouse flower plant cultivation
In greenhouse flower plant cultivation, a reasonable irrigation system is a key factor to ensure the healthy growth of plants and increase crop yields. With the increasing shortage of water resources, it is particularly important to choose an efficient irrigation method. Drip irrigation and sprinkler irrigation are two common irrigation methods, each with different water use efficiency and soil moisture distribution characteristics. At the same time, PE pipe (polyethylene pipe) has become an indispensable core component in the greenhouse irrigation system due to its corrosion resistance, high temperature resistance, and pressure resistance. This article will explore in depth the impact of different types of irrigation systems on water use efficiency and introduce the application advantages of PE pipes in greenhouse flower irrigation.

The impact of greenhouse irrigation system types (drip irrigation/sprinkler irrigation, etc.) on irrigation volume

The impact of greenhouse irrigation system types (such as drip irrigation and sprinkler irrigation) on irrigation volume is mainly reflected in water use efficiency, soil moisture distribution, plant growth and yield.


The following is a summary of the impact of different irrigation methods on irrigation volume:


Drip irrigation system: Drip irrigation system usually has a high water use efficiency and can reduce deep water leakage and evaporation loss. For example, drip irrigation can reduce the amount of irrigation water while increasing crop yield and water use efficiency. Under greenhouse conditions, drip irrigation systems can deliver water to the crop root zone more accurately, thereby reducing unnecessary water waste. In addition, drip irrigation systems also show advantages in reducing nitrate nitrogen leaching and protecting groundwater environments. However, drip irrigation systems may cause uneven root distribution in some cases, affecting transplantation results.


Sprinkler irrigation system: Although the sprinkler irrigation system can provide a more uniform water distribution, its water consumption is usually higher than that of the drip irrigation system. For example, in greenhouse tomato production, the water consumption of sprinkler irrigation is higher than that of drip irrigation, but its yield and water use efficiency are also higher. In addition, the sprinkler irrigation system may cause uneven soil moisture distribution in some cases, especially when the irrigation volume is large, it is easy to cause soil saturation and increase the risk of root rot. However, the sprinkler irrigation system has shown good growth promotion effects in some crops (such as blueberries).


Irrigation volume and water use efficiency: Studies have shown that irrigation volume has a significant effect on water use efficiency. Under drip irrigation conditions, reducing irrigation volume can improve water use efficiency, but too low irrigation volume may lead to a decrease in crop yield. For example, in celery production, under drip irrigation, the water use efficiency is the highest when the irrigation amount is 245 mm/hm², and the water saving effect is significant. In addition, the sprinkler irrigation system can also improve the water use efficiency when the irrigation amount is reduced, but its effect may vary depending on the crop type and substrate type.


The effect of irrigation method on soil moisture: The drip irrigation system can more effectively control the soil moisture distribution and reduce the waste of water in the non-root zone. For example, under greenhouse conditions, the drip irrigation system can concentrate water in the crop root zone and improve water use efficiency. The sprinkler irrigation system may lead to a more uniform water distribution, but it is easy to cause water waste and soil salt accumulation.


In summary, the drip irrigation system has obvious advantages in saving water and improving water use efficiency, while the sprinkler irrigation system can provide a more uniform water distribution in some cases, but its water consumption is higher. Choosing the right irrigation method and irrigation amount can effectively improve the yield and water use efficiency of greenhouse crops.


In order to ensure the healthy growth of flower plants in the greenhouse and effectively improve the utilization rate of water resources, it is crucial to choose a suitable irrigation system. As mentioned above, drip irrigation and sprinkler irrigation systems have significant differences in water use efficiency and irrigation volume control. Closely related to the choice of these irrigation methods, PE pipes (polyethylene pipes) are increasingly used in irrigation systems for greenhouse flower and plant cultivation because they can meet the special requirements of high humidity, high temperature and corrosion resistance in greenhouse environments. The advantages of PE pipes make them an indispensable component of greenhouse irrigation systems, which not only improves water use efficiency, but also reduces the waste of irrigation water and ensures accurate irrigation of plant roots. Next, we will further explore the specific application of PE pipes in different irrigation systems and how to optimize greenhouse irrigation effects.


PE pipes (polyethylene pipes) are increasingly used in irrigation systems for greenhouse flower and plant cultivation. Because of their corrosion resistance, high temperature resistance and good pressure resistance, they are very suitable for use in water pipe systems in greenhouses. The following is a detailed introduction to PE pipes in greenhouse flower and plant irrigation:


Advantages of PE pipes in greenhouse irrigation:


1. Corrosion resistance

PE pipes have no corrosive effect on water quality, and are particularly suitable for environments with large changes in pH. They can ensure the long-term use of irrigation systems in greenhouses without being affected by water pollution or corrosion.

2. High temperature resistance

The temperature in the greenhouse varies greatly, especially in direct sunlight in summer. PE pipes have good high temperature resistance and can withstand a certain high temperature environment without deformation, adapting to the high temperature and high humidity environment in the greenhouse.

3. Strong pressure resistance

PE pipes have a high pressure bearing capacity and can effectively withstand the high water pressure in the irrigation system to avoid pipe rupture or leakage.

4. Easy installation

The PE pipe connection method is simple, and it can be connected by hot melt or electric melt. No additional glue or special tools are required, making pipe installation and maintenance more convenient.

5. Water-saving effect

The use of drip irrigation system in PE pipe irrigation can achieve precise water control, reduce water waste, ensure that water is directly delivered to the roots of plants, and effectively improve the efficiency of water resource utilization.


Specific application of PE pipe in greenhouse flower irrigation

1. Drip irrigation system

PE pipes are often used in conjunction with accessories such as drippers and drip irrigation belts to form an efficient drip irrigation system. Through precise water flow control, it ensures that each flower or plant can get a uniform water supply, which helps the healthy growth of plants and avoids root diseases caused by uneven water.

2. Sprinkler system

For greenhouses with larger areas, PE pipes can also be used in sprinkler systems to spray water evenly on plants through nozzles. This method is suitable for large-scale flower planting, which can effectively increase the humidity in the greenhouse and promote plant growth.

3. Micro-irrigation system

PE pipes are widely used in micro-irrigation systems and are suitable for precise irrigation around plant roots. Micro-irrigation can not only provide sufficient water, but also reduce water evaporation and leakage, and improve irrigation efficiency.

4. Automated irrigation control:

The irrigation system using PE pipes can be combined with an automated control system, using sensors to monitor soil moisture and greenhouse environmental conditions, and automatically adjust irrigation time and water volume. This can further save water and improve management efficiency.


Applicable conditions for PE pipes in greenhouse irrigation

Greenhouse environment: PE pipes are suitable for environments with high temperature and humidity in greenhouses, and can withstand these conditions without aging, corrosion or damage.

Plant types: Whether it is flowers, vegetables or other types of plants, PE pipes can effectively support various irrigation needs. For flowers and plants with large water requirements, the water flow regulation function of PE pipes is particularly important.


The application of PE pipes in greenhouse flower irrigation systems can not only ensure uniform water supply, but also improve irrigation efficiency and save water resources. Its corrosion resistance, high temperature resistance and pressure resistance make it perform well in greenhouse environments and become an indispensable core component in modern greenhouse irrigation systems.



FAQ

1. What are the advantages of using PE pipes in greenhouse irrigation systems?

PE pipes offer several benefits for greenhouse irrigation, including corrosion resistance, high temperature resistance, and strong pressure resistance. They can withstand harsh greenhouse environments without degradation, ensuring long-term, reliable water supply. Additionally, PE pipes are easy to install and maintain, making them a cost-effective choice for efficient irrigation.


2. How does drip irrigation improve water use efficiency in greenhouses?

Drip irrigation ensures that water is delivered directly to the plant roots with minimal evaporation or runoff. This high water use efficiency reduces water wastage and ensures plants receive the right amount of water, which promotes healthier growth and higher yields, making it especially beneficial in greenhouse flower cultivation.


3. What types of plants are best suited for drip irrigation systems?

Drip irrigation systems are ideal for flower plants, vegetables, and other crops that require consistent moisture levels at the root zone. These systems are particularly effective for plants that are sensitive to overwatering, as the water is delivered precisely to the roots, preventing soil saturation and root rot.


4. Can PE pipes be used in both drip irrigation and sprinkler systems?

Yes, PE pipes are versatile and can be used in both drip irrigation and sprinkler systems. For drip irrigation, PE pipes deliver water directly to the root zone, while in sprinkler systems, they distribute water evenly across the surface. Their durability and resistance to pressure and high temperatures make them suitable for both types of systems.


5. How can automated irrigation control systems improve greenhouse water efficiency?

Automated irrigation control systems, combined with PE pipes, use sensors to monitor soil moisture and environmental conditions within the greenhouse. The system can automatically adjust the irrigation time and water volume, ensuring that water is used efficiently and only when needed, further reducing water waste and enhancing plant growth.


6. What are the key factors to consider when choosing between drip irrigation and sprinkler irrigation for greenhouse cultivation?

When choosing between drip irrigation and sprinkler irrigation, key factors include the type of plants being cultivated, water availability, and the desired water distribution pattern. Drip irrigation is more water-efficient and ideal for direct root-zone watering, while sprinkler irrigation may be better for larger areas where uniform water distribution is needed. Each system has its pros and cons, depending on your specific greenhouse needs.



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