An irrigation project brief: which data, at what level of confidence
A sound irrigation project depends on separating what has been measured from what has been assumed, from the very first conversation.
AGIMEX Engineering Team
Technical Insights
Pumping and pressure management: a pump is not chosen from a catalogue
A pump is not a product but an operating point formed with the system; selection follows the system curve, zone sequencing and suction conditions.
AGIMEX Engineering TeamPublished:
A pump is an operating point, not a product
A pump does not produce a flow and a pressure on its own. It produces an operating point together with the system it serves. The same pump runs at two different points in two installations with different pipe diameters, line lengths and elevation differences. Selection therefore does not begin by looking up a flow rate in a catalogue; the resistance curve of the system is established first. A selection made without that curve can place the operating point outside the efficient range.
How the system curve is built
The system curve has four components: static lift, friction head loss in pipes and fittings, losses through the headworks, and the distribution pressure required inside a zone. The total varies with flow and forms a curve. Where it meets the pump curve is where the system will actually run. The calculation is not made for one scenario but separately for the heaviest and the lightest zone combination.
Zone sequencing determines the pump
In a multi-zone system every zone has a different demand. The decision on which zones run together is the strongest input to pump selection, and it is taken before the hydraulic calculation. A fixed-speed pump chosen for the heaviest zone produces surplus pressure in the lighter ones. That surplus is either regulated through pressure-regulating solenoid valves or it pushes the dripper outside its working range. A variable speed drive is one way to manage the variation, and it is a design decision rather than a product preference.
Suction conditions and cavitation
The suction side is as decisive as the discharge side. Suction line geometry, seasonal change in source level and the cavitation limit are selection constraints. In well-fed systems the submersible pump is chosen against the dynamic level; where that level moves within the season, the pump is set to work across the range. For surface sources, seasonal reliability of flow plays the same role. Where data is missing, the assumption is written down and the uncertainty recorded.
Protection scenarios
Three protection scenarios are treated separately: dry running, overpressure and water hammer. Valve closing time is a calculated result, not an installation detail. Most lasting failures in irrigation systems come not from equipment quality but from leaving these scenarios undefined. AGIMEX builds the system curve, specifies the pump and control strategy and writes the commissioning criteria.
Technical Insights
Irrigation water quality: four questions that shape the design
A water analysis is not a formality. Salinity, sodium balance, clogging risk and change over time affect every decision from equipment selection to daily operating routine.
AGIMEX Engineering Team
In a greenhouse, climate, water and energy are not solved separately
Structure, climate control, irrigation and energy are interdependent decisions. Choose one in isolation and the cost surfaces during operation.
AGIMEX Engineering Team
From data to decisions: every indicator needs a counterpart
Operational data does not create value on its own. An indicator supports a decision only when it is tied to a question, an owner and an available intervention.
AGIMEX Engineering Team
Technical assumptions in agricultural investment feasibility
The weak point of a feasibility study is rarely the financial model. It is the technical assumptions the model rests on.
AGIMEX Engineering Team
Subsurface drip irrigation: designing a system you cannot see
In subsurface drip, depth, spacing and dripper flow are solved in one calculation, and the acceptance criteria are written before the line is buried.
AGIMEX Engineering Team
Irrigation filtration: the filter follows what the water carries
Filtration is decided by the clogging risk factors in the water, not by a general assessment; backflush and headworks layout belong to the same calculation.
AGIMEX Engineering Team
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For investors and agricultural operations, AGIMEX undertakes turnkey and integrated agricultural projects — turnkey greenhouse, orchard, irrigation and field irrigation projects — combining project development and engineering, procurement and supply, systems integration, installation, automation, testing and commissioning within one agreed scope. “Turnkey” describes that integrated delivery scope, not a fixed EPC or lump-sum contract model; responsibilities are defined in each contract.
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For farms, greenhouses and agricultural investments with installed or planned infrastructure: AGIMEX defines the measurement architecture and monitoring requirements, reads operating data against the engineering design, and sets up decision support and performance evaluation. This is engineering and agronomic decision support, not a software product.
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