practical plantproduction ellinor edvardsson
TRANSCRIPT
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Holmen SkogPractical plantproduction – Ellinor Edvardsson
18 October 2017
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Holmen’s forests 2016
• Total land area 1 275 000 ha
Total forest land 1 153 000 ha
- of which conservation area 187 000 ha
Productive forest land 1 042 000 ha
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The forest as a raw material
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Landscaping
• All Holmen Skog’s districts draw up an
ecological landscape plan for their geographic
area.
• The ecological landscape plan comprises:
– Description of the area’s forest history, climate,
aquatic environments, the forest’s age and the
species of wood in the area.
– Inventory of existing natural, cultural and social
assets.
– Assessment of what habitats are wholly or
partially lacking in the current forest landscape.
• Based on the results, long-term targets are
drawn up for preserving or improving the natural
assets by re-establishing missing habitats.
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Regeneration
– get right from the start
• Soil preparation
• Right tree species in the right place
• Planting and sowing
• Pine weevils and other pests
• Opportunity to improve the forest’s natural,
cultural and social assets
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Bare root
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Container grown
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Ordering
Coldstorage
Sowing
Deliveries
Growing
plants
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Production of seedlings
2017
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Total production
30 million seedlings
Gideå Nursery
20 million seedlings
Friggesund Nursery
10 million seedlings
Gideå
Friggesund
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Three tree types:
•Pine (Pinus sylvestris)
•Spruce (Picea abies)
•Contorta Pine (Pinus contorta)
Three cultivation systems
Starpot 50 ~1 SEK
Starpot 90 ~2 SEK
Starpot 120 ~3 SEK
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Friggesund Nursery
5 greenhouses
21 outdoor cultivation fields
Unique choice of fertilization: arGrow – organic based nitrogensource (Arginine/Lysine)
Gideå Nursery
7 green houses
27 outdoor cultivation fields
Outer protectionzone for water
supply
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Friggesund Nursery growth chamber
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• 2 000 000 seedlings in each batch
• 6 batches per year
• The carriers are 6 meter wide
• The growing chamber has controlled
LED-light, humidity and temperature
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Productionsteps
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1. Seed from orchards
2. Sowing
3. Greenhouse cultivation
4. Outdoor cultivation
5. Long night treatment
6. Cold storage during winter
7. Quality control
8. Delivery
9. Planting
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Holmen
Orchard zones in Sweden
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Holmen
Holmen Seed orchards
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57 partly owned seed orchards
7 seed orchards 100%
Managing 14 seed orchards
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Holmen
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Holmen
Sowing line
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Holmen
Germination
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Holmen
Greenhouse cultivation
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Controlled environment
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Holmen
Outdoor cultivation
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Holmen
Long night treatment
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Holmen
Winter storage indoors
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…or outdoors
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Holmen
Quality control – 28 parameters
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Holmen
Delivery
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Local entrepreneurs or delivery services
GPS positions
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Holmen
Plant delivery
in the forest
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Holmen
Planting
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2100 plants / ha
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Holmen
Pine weevil
(Hylobius abietis)
Eats the bark around
the stem.
The transport of fluids
stops and the plant
dries and dies.
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Holmen
Protection with wax or with a mix of
glue and sand
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Holmen
Somatic embryogenesis
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”An important cloning
technique and application of
biotechnology, where a tree
embryo is grown in the
laboratory and used to
generate new, genetically
identical trees”
Source: Bio Basics
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Holmen
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www.holmen.com
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