|
Left: Without fine bubbles / Right: With Fine Bubbles |
Growing conditions
- Irrigation water: water used for field irrigation
- Fertilizer: Cattle manure
- Irrigation frequency: Approximately once a week
- OK Nozzle flow rate: 25 L/min
- Location: Aichi, Japan
- Test started: May 2017
Lower nitrate levels in spinach
Nitrate ion concentration
Target: Below 1,000 ppm
| Test 1 | Test 2 | |
| Regular water | 4,000 ppm | 6,000 ppm |
| Fine bubble water | 1,200 ppm | 1,200 ppm |
Result:
Spinach irrigated with fine bubble water showed lower nitrate ion levels.
*Measurement device: HORIBA Crop Nitrate Ion Meter B-741
 |
 |