A sprinkler head set in green sports turf, its turf-topped cover raised, throwing a jet of water across the field.Illustrative image

Landscape irrigation for Nigeria

Green,
by design.

We design automatic irrigation for hotels, estates, campuses, sports fields and homes, and supply the equipment. Installation is quoted with it. We also design, supply and install farm irrigation.

How the water gets there

Every system runs from the water source to the plants. Choose one to see how it is laid out.

Pump + filterController + rain sensorMainlineHydrozone valvesSprinklers — turfDrip — plantingFilter + regulator
Landscape: a pump and filter feed the buried mainline. A controller with a rain sensor opens each hydrozone valve in turn: pop-up sprinklers over turf, and drip, with its own filter and regulator, under the planting.
Equipment we design with
  • Hunter
01 / Solutions

Landscape first,
farms and greenhouses too.

Landscape irrigation is our core service. The same questions start every system, whatever the site: how much water, from where, for which plants, on what ground, with what power.

02 / How we work

From water source
to every zone.

Seven steps, for a hotel garden, an estate or a farm. Every quotation states which of them are in our scope and which, such as civil works or planting, stay with you.

  1. 01

    Discover

    We learn what you plant or grow, where, and what you want the system to achieve.

  2. 02

    Assess

    A site visit: water source and yield, soil, levels, power supply, and the layout of lawns, beds, trees or crops.

  3. 03

    Design

    Hydraulic design and pump sizing, with drawings and a detailed bill of quantities.

  4. 04

    Supply

    Pumps, filtration, pipes, valves, sprinklers, drip and controllers, sourced for your project.

  5. 05

    Install

    Installation of the network, from the pump to the last sprinkler or drip line.

  6. 06

    Commission

    The system is started up and checked, and the people who will run it are trained.

  7. 07

    Support

    Spare parts, technical assistance and advice to keep the system efficient.

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The work,
on the ground.

Projects led by our founder, Paul Camille N’DRI, before ASFA IRRIGATION NG was formed. They show the kind of work we design and deliver.

Field irrigation

An engine-driven pump on a river causeway, its suction line running out to a red float, with the delivery pipe laid along the bank.
Earlier projectWater source: a river intake, the suction held clear of the bed by a float.
A trailer-mounted pump beside a rock-lined pool, drawing water through a suction pipe.
Earlier projectPumping from a protected pool at the water's edge.
A station on a concrete slab: orange steel mainline, blue control valves, disc filters and a dosing pump.
Earlier projectThe head of the system: filtration, control valves and fertigation on one slab.
See 6 more photographs
A blue electric pump set with two pressure tanks and a disc filter on a concrete pad.
Earlier projectA pressure pump set with its tanks and filter.
Four green hydraulic valves on a grey PVC manifold standing over an open trench.
Earlier projectInstallation under way: a valve manifold before the trench is backfilled.
A PVC riser with five ball valves and an air valve, feeding drip laterals on freshly prepared red soil.
Earlier projectA submain riser feeding the drip laterals.
Rows of young plants on ridges, a drip line running beside each row.
Earlier projectThe system running: a drip line along every planted ridge.
Seedlings on a ridge of red soil with a black drip line along the row.
Earlier projectWater delivered at the root zone of each plant.
A wide field of young plants on drip irrigation in low evening light.
Earlier projectA newly planted field under drip.

Nethouses and nurseries

An aerial view of a nursery site: two large black shade-net houses, two green-net houses, water tanks and a small greenhouse, with farmland around.
Earlier projectA nursery site: shade-net and green-net houses around a central water point.
Inside a shade-net house under construction: steel posts and cables, net overhead, and trenches dug across the bare floor.
Earlier projectA nethouse going up, with trenches for the water supply.
An orange fertiliser tank and a filter on a concrete plinth inside a nethouse, connected to grey PVC pipe.
Earlier projectFertigation at the head of the nethouse system.
See 3 more photographs
Long rows of young seedlings in bags under a shade net, with irrigation lines overhead.
Earlier projectSeedlings under shade net, watered from overhead lines.
Raised tables of seedling trays under a shade net, with ground cover below.
Earlier projectRaised seedling tables in a shade-net nursery.
Dense young seedlings in bags under green shade net held up by wooden posts.
Earlier projectA nursery under green net, ready for planting out.
03 / Why design comes first

A system is only
as good as its design.

We recommend a full design for any project of meaningful scale — a landscape with several separately watered areas, or a farm from about 2 hectares. It sizes the pump and the pipes to the water you actually have, and it gives you a bill of quantities you can compare.

  1. 01

    Wrong design

    Bad estimates and hydraulic errors: pressure too low at the end of the line, pumps too big or too small.

  2. 02

    Poor equipment

    Components that wear out before the system has paid for itself, and high maintenance costs.

  3. 03

    Poor installation

    A sound design spoiled by leaks, wrong fittings and uneven laterals.

  4. 04

    No after-sales

    No spare parts and no one to call when something stops.

Request a quote

04 / Choosing a system

No single system
suits every site.

Lawns, planting beds, trees and fields each need a different approach. The right choice depends on the plants, soil, slope, shape of the site, water source, power, budget and the people who will run it. Water efficiency is one factor among these.

Indicative field application efficiency of farm irrigation systems: the share of applied water stored in the root zone of a well designed, well managed system.
SystemIndicative range
Surface / flood40–70%
Solid-set sprinkler60–85%
Centre pivot75–90%up to about 95% with low-energy precision application (LEPA)
Linear move80–87%
Drip / micro-irrigation80–90% or more

Actual efficiency depends on design, soil, wind, maintenance and above all scheduling; any system wastes water if it is over-applied. Sources: FAO (1989) Irrigation Water Management Training Manual No. 4, Annex I; USDA-NRCS (1997) National Engineering Handbook Part 652, Chapter 6, Table 6-4. Indicative ranges, not guarantees.

05 / Equipment

Equipment we design
with and supply.

We specify components from established international manufacturers, chosen for the job rather than for the brand.

Trademarks belong to their respective owners. ASFA IRRIGATION NG LTD is an independent company.

Request a quote
Tell us about
your project.

Send the location, the area, the type of site and the water source. We call you to talk it through and, if the project needs it, arrange a site visit.