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THE  IMPACT  OF  TREES GROWTH CONDITIONS ON CELL WALL STRUCTURE AND CHEMICAL COMPOSITION THE  IMPACT  OF  TREES GROWTH CONDITIONS ON CELL WALL STRUCTURE AND CHEMICAL COMPOSITION

THE IMPACT OF TREES GROWTH CONDITIONS ON CELL WALL STRUCTURE AND CHEMICAL COMPOSITION - PowerPoint Presentation

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Uploaded On 2018-02-27

THE IMPACT OF TREES GROWTH CONDITIONS ON CELL WALL STRUCTURE AND CHEMICAL COMPOSITION - PPT Presentation

ULDIS GRINFELDS ARNIS TREIMANIS INESE SABLE 1 6 2 3 7 4 5 Locations of sampling 1 Auce 2 Iecava 3 Ieriķi 4 Madona 5 Malta 6 Šķēde 7 Valmiera Spruce ID: 637571

forest aspen land wood aspen forest wood land spruce landagruculture tree hybride growth pulp density iecava length ieri

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Slide1

THE IMPACT OF TREES GROWTH CONDITIONS ON CELL WALL STRUCTURE AND CHEMICAL COMPOSITION

ULDIS GRINFELDS, ARNIS TREIMANIS, INESE SABLESlide2

1

6

2

3

7

4

5

Locations

of

sampling

: 1 - Auce, 2 - Iecava, 3 - Ieriķi, 4 - Madona, 5 - Malta, 6 - Šķēde, 7 - Valmiera

Spruce, Aspen

Aspen,Hybride Aspen

Spruce

Aspen

Spruce, Aspen, Hybride Aspen

Spruce, Aspen, Hybride Aspen

Pine, Spruce, Birch, AspenSlide3

3

Age

of

tree

, years

Stem diameter, mm

Ieriķi

,

Aspen

Auce

, Aspen

Talsi

, Aspen

Iecava

,

Aspen

Iecava

, Hybrid Aspen

0

20

40

60

80

100

120

140

160

180

0

10

20

30

40

50

60

Forest

land

Agriculture

land

Tree

growth

speedSlide4

Wood

density

, kg/m

3

Wood density

Forest landAgruculture landSlide5

Birch measurements by SilviScan Slide6

Fibre

length

, mm

Kraft

pulp fibre length

Forest landAgruculture landSlide7

Hansheets

tensile

index

, Nm/g Handsheets tensile strength (made from unbeaten kraft pulp)

Forest landAgruculture landSlide8

Specific wood consumption, m3

/tSpecific

wood

consumption

Forest landAgruculture land

 

Q – Pulp yield - wood densitySlide9

I

t is possible to a certain extent

foretell the main features

of wood of specific tree species

if forest growth conditions are known.

Thank you

!