Why Above-Ground Dripline Installation Is Usually the Better Option
When planning a drip irrigation system, many farmers and growers ask whether dripline should be buried underground or installed above the soil surface. While sub-surface drip irrigation does exist, above-ground installation remains the preferred option for most agricultural applications.
In fact, unless you are specifically using Anti-Syphon Pressure Compensating (PC) dripline, burying dripline can create more problems than benefits over time.
Why Most Dripline Should Not Be Buried
Standard dripline systems are not designed for underground installation. When irrigation cycles stop, pressure inside the pipe drops. Without anti-syphon protection, this can cause tiny soil particles to be pulled back into the emitters.
Over time, this leads to:
- Plant roots growing INTO your dripline emitter and even clogging your whole dripline pipe from the outside in.
- Emitter clogging.
- Uneven water distribution.
- Reduced irrigation efficiency.
- Hidden maintenance issues underground.
- Sections of crops receiving too little water.
Because these issues happen below the soil surface, they often go unnoticed until plants begin showing stress symptoms.
Above-Ground Dripline Makes Problems Easy to Spot
One of the biggest advantages of surface installation is visibility. Farmers can immediately identify leaks, damaged sections, blocked emitters, or pressure problems before they affect large sections of the field.
When dripline is buried, small issues can continue for weeks unnoticed. With above-ground systems, maintenance becomes faster, simpler, and far more affordable.
- You can visually inspect the entire line.
- Leaks are easy to identify.
- Repairs take less time.
- Flushing and maintenance are simpler.
- System adjustments can be made quickly.
Better for Seasonal Crops and Field Flexibility
Many farms rotate crops throughout the year. Above-ground dripline offers far greater flexibility because the lines can easily be moved, adjusted, lifted, or replaced between planting cycles.
This is especially valuable for:
- Vegetable production.
- Tunnel farming.
- Seasonal crops.
- Fields requiring regular cultivation.
- Growers experimenting with row spacing.
Buried systems are more permanent and significantly harder to modify once installed.
Lower Maintenance Costs Over Time
Maintenance is unavoidable in any irrigation system. The difference is whether that maintenance happens quickly above the soil, or becomes a labour intensive excavation process underground.
Above-ground systems generally reduce:
- Labour costs.
- Repair time.
- Troubleshooting difficulty.
- Risk of unnoticed failures.
For many farmers, this long term simplicity outweighs the visual neatness of buried systems.
Securing Above-Ground Dripline Properly
One concern growers sometimes have is movement caused by wind or expansion when the line fills with water. Fortunately, this is easy to manage using agricultural hooks or dripline pins.
These should be installed loosely enough to allow the pipe to expand naturally during irrigation cycles. Proper pinning keeps rows straight while preventing unnecessary stress on the dripline.
When Buried Dripline Does Make Sense
Sub-surface irrigation can still be useful in certain specialised situations, particularly for permanent crops or operations wanting minimal surface interference.
However, this should only be done using Anti-Syphon Pressure Compensating dripline specifically manufactured for underground use.
At Afriq Water, our Anti-Syphon PC dripline is available by special order for customers requiring buried installation.
Final Thoughts
For most agricultural applications, above-ground dripline installation is the safer, simpler, and more practical choice. It improves visibility, simplifies maintenance, reduces hidden failures, and gives farmers more flexibility throughout the season.
Buried dripline should only be considered when using specialised Anti-Syphon PC products designed specifically for underground installation.
If you are unsure which dripline is suitable for your application, speak to an irrigation specialist before installation. Correct system design can save significant maintenance costs and improve long term irrigation performance.
Where to Find Dripline Irrigation in South Africa
Our Afriq Drip range is proudly manufactured in South Africa, offering reliable, value-for-money irrigation solutions for farms of all sizes.
You can find our dripline rolls and fittings at most agricultural Co-Ops and irrigation suppliers across the country. Stock availability may vary, as we manufacture to order, so please allow 2–3 weeks lead time.
Prefer to buy online?
www.irrigationonlinesa.co.za
Or contact our distributor to find your nearest retailer:
www.iunlimited.co.za/contact/
