Voen presentation cherries with movie 2011
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Transcript of Voen presentation cherries with movie 2011
• Inventor - Cherry grower Reinhard Vöhringer
• Looking for a stable cover for his cherry orchard in windy area close to alps
• Existing solutions were not suitable (not wind resistant, too expensive, too time consuming to set up and remove)
• Developed a solution based on proven hailnet technology
• Started the business-VOEN system in 2002
• Today the Vöhringer family have established the VOEN business and has installations worldwide.
• OaKSun was granted the Australian and New Zealand agency for Voen in Feb 2011
The Company
The idea:
Permanent ventilation
Temperature is regulated
Plant health appears
better
Stable acid values
Even firmness of fruits
Good fruits size and
quality
Height of constructions can
vary
Construction materials
Any kind of slopes
Suits different plants/
cultivars
The idea:
flexibility in constructions
OakSun Steel Structure
• OakSun has designed a steel structure for
Australian and New Zealand’s extreme
conditions.
• Easy to construct and erect.
• Self erect Projects will have
comprehensive erection manual and
support. OR
• Installed by our alliance partner Enviro-Net
Canopies
OakSun “INN0VATIVE DESIGN”
“Cross over” cable designed for added strength
“Cross over” cables are installed ever 50 m (approx)
50mm End assembly using a Mega anchor .
End assembly complete prior to cables being attached. Project in the Yarra Valley over raspberries
OakSun “SIMPLE DESIGN
Development of the company
• First installations 2002
• Projects have been completed worldwide
• More than 1000 ha of orchards have been covered successfully
Special Mounting Clips
Top Clip
•Two interlocking parts provide maximum stability
• Outer part slides over inner partBottom Clip
Special Mounting Clips
• one-time assembling on the net
• distance between clips about 80cm
• faster opening and closing of the
joining area
• Hibernation of the clip stays in the
orchard
• In stormy areas: use of the hook
• Two possibilities of clips for the
joining area
• Pre-installation:
Expanders at top cable
Hibernation of covers
• Two possibilities to store covers in winter
Putting up and down VOEN covers
Hibernating of covers at the top cable
• Black plastic provides many
years of winter protection
• Stored during summer on the
top clip
once only installation
no risky cutting of black plastic
no disposal problem
usage for many years
Hibernation of covers
Payback Calculation -Cherries
VOEN covered Outdoor
Basic yield per hectare (kg) 13.000 13.000 Basic yield per hectare (kg)
Higher yield through larger
cherries +15%14950 9.100
Ø Avg yield loss from rain and birds -
30 %
Higher price for larger cherries
$/kg9,50 6.00 Ø Average price $/kg
Sales per hectare in $142,025 54,600
Sales per hectare in $
Higher yield per hectare in $ 87,426
Higher yield per hectare in % 230
Ø Investment VOEN cover
incl. installation per hectare120,000
Payback period in harvests 1.2
Not included:
Growing, packing and Marketing and
Interest costs
Advantages from later crop
Not included:
Higher picking and sorting costs.
Amortisation is reached after 1 ½ years !
Thanks for your attention
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