Drip Irrigation vs Sprinkler
Drip irrigation delivers water at the root zone at 90–95% efficiency, cutting water use 30–50% versus overhead systems. Sprinkler and centre-pivot systems cover large fields at lower per-hectare CAPEX and remain the standard for cereals, forage and rotational row-crop programmes.
| Criterion | Drip Irrigation | Sprinkler / Centre-Pivot |
|---|---|---|
| Application efficiency | 90–95% | 70–85% |
| Water saving | 30–50% vs sprinkler | Baseline |
| Fertigation precision | Excellent | Moderate |
| CAPEX / ha | USD 1,500–4,500 | USD 800–2,500 |
| Best crops | Vegetables, orchards, high-value row crops | Cereals, forage, rotational field crops |
| Labour & filtration | Higher — filters, flushing | Lower |
Drip Irrigation
- Highest water-use efficiency
- Precise fertigation
- Fits water-scarce regions
- Higher CAPEX & filtration need
- Rodent / clogging risk
- Not suited to broadacre cereals
Sprinkler / Centre-Pivot
- Lower CAPEX per hectare
- Broadacre coverage
- Simple, robust operation
- Higher evaporative losses
- Wind sensitivity
- Less fertigation precision
Drip is the default for high-value vegetables, protected cropping, orchards and water-constrained regions. Sprinkler and centre-pivot remain economical for cereals, forage, and rotational programmes on large blocks with adequate water.
Frequently asked questions
Does drip work with saline water?
Yes, but filtration and periodic flushing are essential; salt accumulation at wetting-front edges must be managed.
What's the payback vs sprinkler?
Where water is priced or restricted, drip commonly pays back within 3–4 seasons on high-value crops through water and yield gains.
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