Irrigation and fertigation design basics
Water to the root zone, nutrients by recipe, and drainage that does not become a disease.
Start from water quality
EC, pH, sodium, chloride, bicarbonate and pathogens decide the treatment train before the dripper type. A design that ignores sodium will clog and burn the crop.
Delivery method follows substrate
Drip per plant, drip per slab, ebb-and-flow, boom or mist. Each has a different uniformity profile and a different labour cost.
Drainage and recovery
In substrate systems, 20–40 % drain is normal. Collect it, disinfect it and reuse it: in arid markets that is the water-saving case for the whole project.
Control and records
Per-zone EC and pH, with logged volumes. The log is how you find a clogged dripper before the crop does.
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