Complete package guide

Greenhouse Water, Irrigation & Fertigation

Plan source water, storage, treatment, irrigation, fertigation, drainage and recirculation as one crop-water system.

Direct answer

Start with a defined basis and responsibility boundary.

The crop-water system begins with source quantity and laboratory quality, then connects storage, filtration, treatment, dosing, delivery, drainage, sanitation and—where appropriate—recirculation. Equipment should not be selected before the water balance and crop strategy are known.

Verify the source

Seasonal volume, reliability, salinity, alkalinity, nutrients, suspended material and biological risk affect treatment and crop suitability. A single source description such as borehole, river or municipal water is not enough for design.

Build the water balance

The project must estimate crop demand, climate peaks, irrigation efficiency, cleaning, staff use, storage autonomy, treatment recovery, drainage and emergency reserve. The balance should include expansion and the days when supply or power is interrupted.

Control the root zone

Irrigation frequency, dose, drainage target, nutrient recipe, pH and electrical conductivity belong to the crop and growing system. Sensors and dosing improve control only when operators sample, calibrate, record and respond consistently.

Evidence required

Inputs that change design, price or operation.

These facts should be established during qualification and refined through feasibility and engineering. Missing inputs must remain visible as assumptions rather than being hidden inside a precise-looking budget.

Full laboratory water analysis
Seasonal source capacity and reliability
Crop, substrate or soil and drainage strategy
Peak irrigation and storage requirement
Treatment, sanitation and dosing concept
Discharge, reuse and recirculation rules

What the project definition should show

Keep the whole operating system visible.

Hydroponics, recirculation and automation are not fixed packages. They are designed from water evidence, crop risk, operator capability and local discharge requirements. Poor water design can limit the entire greenhouse investment.

Source and storage: Intake, buffer or reservoir capacity, rainwater opportunity, emergency reserve and protection against contamination.
Treatment: Filtration, disinfection, pH correction, salinity management and treatment-recovery assumptions based on analysis.
Delivery and dosing: Pump duty, zones, emitters, fertigation, controls, measurement, alarms and backup procedures.
Drainage and reuse: Collection, measurement, sanitation, recirculation or lawful discharge appropriate to crop risk and local rules.

Continue the package review

Connect this decision to the full greenhouse scope.

Review the other package guides, compare greenhouse models and use feasibility to replace general guidance with verified project inputs.

Complete package overview Prepare feasibility