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Flowers
- page 1
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Drip
Irrigation Trial in Alstromarias
at Alpha Nurseries - By Rupert
Knowles
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Fantasy Row C23
Standard Spray Line
1 Line per bed
Green Bow Nozzles
Nozzle spacing: 75 cm
Output: 124 l/h @ 2 bar
Scheduled by “Grower’s thumb”
Yield: 165 Stems
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Fantasy
Row C20
Drip Line
3 Lines per bed
Pressure Compensated Drippers
Dripper Spacing: 30cm
Output:3 l/hr @1.5 bar
Scheduled with EnviroSCAN
Yield: 198 Stems (+20%)
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Weekly
Stem Numbers
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| Scheduling
Features |
Concepts |
- Multi-depth
Sensors at 10 cm vertical spacing
- Continuous
Logging interval: 10 minutes
- Site
Specific Horizontal measurement: 10cm radius
- Professional
Installation Probe position relative to emitters
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- Full
Point
- Daily
Water Use (DWU) and Yield
- Day
/ Night Stepping
- Onset
of Stress
- Seasonal
Strategy
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Output
Graphs
Click on the small images below to view the full sized graphs
in a new window. |
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Full
Point
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Onset
of Stress at 10 cm depth
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Drip
Irrigation - One Month
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Conventional
- One Month
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Conventional
- One Month Summed
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Drip
Irrigation - One Month
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Comparing
10cm sensors
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Filling
Soil Profile
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Conclusions
20% Yield Increase with drip. Why? More
precise watering
Larger wetted area? Smaller deficits
Results are specific to site, variety, weather.
What is happening on your site?
Alstroemerias are lazy!
More
flowers
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