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Ground-Inserted Micro Sprinklers: A Solution for Irrigation

Release Date:

2025-07-21

Ground-inserted micro-sprinklers use micro-spraying technology to evenly distribute water in the form of tiny droplets or a fine mist directly onto the soil around plant roots, thereby meeting crop water requirements. Their core advantages lie in efficient irrigation and water conservation:

Ground-Inserted Micro Sprinklers: A Solution for Irrigation

I. Core Functions and Operating Principle

Ground-mounted micro-sprinklers use micro-spraying technology to evenly distribute water in the form of tiny droplets or a fine mist directly onto the soil around plant roots, thereby meeting crop water requirements. Their core advantage lies in Irrigation with Water conservation ：

  • Control : The micro-sprinkler allows adjustment of the spray pattern, angle, and water volume, ensuring that moisture reaches the root zone directly while minimizing evaporation and runoff losses.
  • Uniform atomization : Water droplets have a diameter of 0.1–0.5 mm, forming a fine mist with a coverage radius of 1.5–3 meters and a spray uniformity of ≥80%, thereby preventing localized waterlogging or drought.
  • Pressure Adaptation : Operating pressure range of 0.1–0.3 MPa, with a start-up pressure as low as 0.05 MPa, making it suitable for low-pressure irrigation systems and reducing energy consumption.

II. Technical Parameters and Performance Specifications

The performance of ground-inserted micro-sprinklers is determined by the following key parameters:

 

Parameters Scope/Specifications Impact
Traffic 20-60L/h Higher flow rates lead to greater irrigation efficiency, but must be matched to the crop’s water requirements.
Spray radius 1.5–3 meters The coverage area is related to the nozzle spacing and should be designed based on the crop layout.
Elevation angle 30°, 45°, etc. Adjust the spray height to accommodate the varying heights of different crops.
Material Anti-aging engineering plastics (such as ABS and PE) UV-resistant and impact-resistant, with a service life of 3–5 years.
Interface dimensions 1/2 inch, 3/4 inch Match the pipe diameter to ensure smooth water flow.
Atomization effect Fog droplet diameter: 0.1–0.5 mm The finer the atomization, the lower the evaporation loss and the more significant the water-saving effect.
Suitable water quality pH 6.5–8.5, impurity particle size ≤0.1 mm Prevents clogging and extends nozzle life.

III. Application Scenarios and Advantages

Ground-insert micro-sprinklers are widely used in the following applications, where their advantages are particularly pronounced:

  1. Agricultural Irrigation
    • Fruit Tree Cultivation For crops such as apples and citrus, a rotating nozzle provides 360° coverage, ensuring uniform moisture application to the soil beneath the tree canopy.
    • Vegetable greenhouse : When paired with drip irrigation tape, a “micro-sprinkler + drip irrigation” integrated system is created, effectively meeting the humidity and water requirements of leafy vegetable crops.
    • Nursery seedling cultivation : Mist spraying prevents washout of seedlings and promotes root development.
  2. Landscape Architecture
    • Lawn Maintenance : The in-ground design prevents the sprinkler head from being exposed, reducing the risk of vandalism; with a spray radius of 1.5–2 meters, it is ideal for small green spaces.
    • Floral Irrigation : The nozzle is oriented at a 30° elevation angle for directed spraying, preventing mist from drifting onto the leaves and reducing the risk of disease.
  3. Greenhouse Environmental Control
    • Humidification and cooling : In summer, misting irrigation can reduce greenhouse temperatures by 2–5°C and increase relative humidity by 10%–15%, thereby improving the growing environment for crops.
    • CO₂ supplementation : Combine micro-sprinklers with a CO₂ fertilization system to enhance photosynthetic efficiency.

Summary of Advantages ：

  • 30%-50% water savings Compared with conventional irrigation, micro-sprinklers reduce evaporation and leaching losses.
  • Increase yield by 10%–20% : Water supply promotes uniform crop growth and reduces fruit cracking and deformities.
  • Reduce labor costs : Automated control enables timed and quantitative irrigation, reducing the frequency of field inspections.

IV. Selection and Installation Guide

  1. Key Selection Considerations
    • Crop Type : Use rotary sprinklers for tall fruit trees and misting nozzles for low-growing vegetables.
    • Topographic conditions : On sloping land, spray nozzles with strong clog resistance should be selected to prevent soil and water loss.
    • Water Source Quality : If the water contains a high level of impurities, a filter must be installed to prevent clogging of the nozzles.
  2. Installation Steps
    • Ground plug fixation : Insert the ground stake into the soil to a depth of 10–15 cm, ensuring that the vertical deviation is ≤5°.
    • Pipeline Connection : Connect the micro-sprinkler to the lateral pipe using a threaded fitting, ensuring a tight seal to prevent leaks.
    • Spacing Design : The spacing between ground stakes for drip irrigation tape should be 1–2 meters to ensure a spray overlap rate of ≥30%.
  3. Maintenance Recommendations
    • Regular cleaning : Disassemble the nozzle quarterly and rinse the filter screen with clean water to remove impurities.
    • Winter Freeze Protection : In northern regions, pipeline water must be drained to prevent freezing and bursting.
    • Pressure Monitoring : System operating pressure fluctuations shall be ≤0.05 MPa to prevent nozzle damage.

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A Detailed Analysis of Ground-Inserted Micro Sprinklers

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Irrigation PE pipe: a pipe made primarily from high-density polyethylene (HDPE).

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A Detailed Analysis of Ground-Inserted Micro Sprinklers

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