the adaptive greenhouse - wur · 2013. 10. 20. · peter stradiot (innogreen) the level of...
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The Adaptive Greenhouse
International HortiFair 2011
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The Adaptive Greenhouse
Welcome by Gene Giacomelli
Adaptive Greenhouse DesignBram Vanthoor
Statements for discussionBram VanthoorPeter StradiotMarc Ruijs Cecilia Stanghellini
Final Discussion
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Adaptive Greenhouse Design
Bram Vanthoor (HortiMaX)
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The Dutch lose international market share in greenhouse construction because they only focus on glass greenhouses
Bram Vanthoor (HortiMaX)
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Knowledge and skills of the grower and the labour are even more determining factors for profitability than the greenhouse design, materials and fittings
Peter Stradiot (Innogreen)
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The level of high-tech of a greenhouse design depends on the market segment - or product price level - where the entrepreneur is focussing on
Marc Ruijs (WUR LEI)
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Locally adapted intensive horticulture can help solving the world food challenge
Cecilia Stanghellini(WUR Greenhouse Horticulture)
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Cecilia Stanghellini
The challenge
Between 2005 and 2055 25% to 66% more food needed for population growth and changing diet Depending on the population growth scenario
you take
Problem is the scarcity of resources: Farm soil Water ...
no population growth
World Bank, 2005
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Cecilia Stanghellini
Soil: Productivity of tomato
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Cecilia Stanghellini
a Spanish study on the effect of growing system and quality of management
Water use for tomato production (litres/dry kg)
Fereres & Orgaz, 2000
Management
Environment
Outdoors Greenhouse
Average 13870 2432
Excellent 4198 1058
A factor 4
A f
acto
r 2.
5
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Cecilia Stanghellini
Water: Product Water Use (liters/kgtomato)
Israel, Spain,
field, drip irrigated
Israel, unheated
glasshouse
Spain, unheated
multi-tunnel
Holland, high-tech climate control,
CO2
Holland, as left, with re-use of drain
Holland, closed
greenhouse with cooling
Spain, unheated
plastic “parral”
increasing control of production factors
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Cecilia Stanghellini
Issues:
Minimal need for external energy & management: good crop climate is natural consequence of greenhouse
structure and cover materials adapted to local climate
Optimal use of available resources: prediction models for cost-benefits analyses
Good management of crop and greenhouse: capacity building
Adequate crops: genetic selection of cultivars adapted to remaining local
constraints
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Intensive horticultural production at low environmental impact is perfectly possible
Cecilia Stanghellini (WUR Greenhouse Horticulture)
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Final Discussion
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Thank you all