how to improve tomato production in morocco - green q
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TRANSCRIPT
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How to improve the
production
of tomatoes in Maroc
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Index
• Maroc 2009• Strong – Weak points• View to technical advantages• Improvement step by step• Different scenarios• Passive to active growing• Road map
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Maroc 2009
• 5.000 ha tomatoes under plastic (Agadir) • Big scale companies, professional organisation
and management• Low cost, low tech focus• Production level tomatoes 250 - 300 ton/ha• First quality 60 - 65%• Growing in the soil• Excellent growing climate
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Strength - Weakness
• Climate• Agri Centre infrastructure• Good design and
organisation of nurseries• Low cost level labour• Crop protection• Professionals with proven
production history
• Availability of water• Still growing in the soil• Production level per m²• Sensitive on climate• Sensitive on nematodes• High use of water,
chemicals and fertilizers per produced kg
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Conditions for profitableinnovation & improvement
New methods of production must be:
• Economic feasable• Technical reliable and controlable• To the community and market environmental
sustainable methods and a clean product
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Short vieuw to differentoptions to improve
• Substrate, irrigation, recirculation
• Greenhouse structures, light transmission
• Positioning of the plants• Heating + Ventilation• Cooling +
(de)humidification
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Substrate, Irrigation,Recirculation
• Better crop management• Saving on fertilizers• Less sensitive for nematodes• Better control of fruit quality• Yearly costs € 2.- / m²
Benefits• Increase nett production 25%• Saving water 30% per kg /tom• Saving 30% fertilizers
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Greenhouse structures light transmission
• Okt-March 1% light =1% production• Light transmission glass
greenhouse 70 - 75%• Light transmission modern plastic
greenhouse 60 - 65%• Light transmission average Agadir
greenhouse 45 - 50%• Only more efficient use of surface
gives 20% more production
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Heating and controled
ventilation • Active management of the
greenhouse climate• Heating + controled ventilation
will give better control of plant load and higher winter production
• Better control on climate is better control on quality of plants and fruits
• Active growing gives better forecast and control on the production film and result
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Cooling+dehumidification
• This is formula 1 growing with high investment and yield
• Greenhouse climate quality and production can be under control totally
• Year round production necessary for ROI
• This concept is worldwide the new rising trend
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Comparisation of differentgrowing concepts withGreenScheduler
Principles:
• Maroc climate circumstances• Variety Pristilla crafted on Maxifort• Planting begin August• First flowering begin September• First harvest begin November• Last harvest medio June
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GreenScheduler calculates with:
cropdensity
fruit size
flower speed
global radiation
artificial light
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Greenscheduler Input
Blue: is the lightcurve from Agadir Yellow: is desired light for the crop
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The GreenScheduler
Crop density planning
Variety
Light conditions
Balance
Result
Load and production
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Results of different growing concepts Type greenhouse
Brutto production
Percentage class 1
nett production
Increase nett production
Traditional 29 kg 60% 17.5 kg
Plastic + c.v + substrate
33 kg 75% 24.5 kg 40%
Glass + c.v +
substrate38 kg 75% 28.5 kg 60%
Glass, heat + cv + climate control
43 kg 85% 37 kg 110%
Cooled glass desert gh
86 kg 85% 73 kg 400%12 months
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Production graphics
Glass with heating and ventilation 37kgGlass with ventilation 28,5kg
Traditional Agadir Plastic with ventilation 28,5kg
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Production curveof the desert greenhouse
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Light levels Netherlands versus Agadir
Radiation
0
500
1.000
1.500
2.000
2.500
41 46 51 4 9 14 19 24 29 34 39 44 49 2
week number
Radi
atio
n (J
/ cm
2/ d
ay)
0
500
1.000
1.500
2.000
2.500
global
usable
desired
1.800
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With active crop management and good tools in Holland and USAgreenhouses produced100 kg/m²
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The tomato producers of Agadir have a lot of advantages
Agadir 2009• Climate is excellent• Companies are
professional• Centre of tomato
producers• Strong competitor in the
tomato producers match• Production system is
passive and can be more efficient
Agadir to active growing• Better use of climate• More efficiency on :
water fertilizers chemicals surface
• Lower risk on diseases• Better fruit quality• Cleaner product• Stronger market position
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Active management of the growing process can be very profitable
Radiation
CO2
Feeding
Water
(plant) temperature
humidity
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There are differentscenarios to go from A to B
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Road Map
• Inventarisation and study on reliable techniques
• Design of some alternative growing concepts
• Analyse of feasability, costs and yields of the designs
• Selection of most promising growing concepts
• Building a demo centre to test these concepts
• Implementation of new growing concepts and growing techniques to the Agadir producers
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When will this giant wake up
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Questions?
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Thanks for your attention!
www.greenq.nl