studies of poplar and willow short rotation coppice … · short rotation coppice establishment....
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Giorgia Baratto, Sara Bergante, Giorgia Baratto, Sara Bergante, Gianni FacciottoGianni Facciotto, Manuela Annunziati, Manuela Annunziati
STUDIES OF POPLAR AND WILLOW SHORT ROTATION COPPICE ESTABLISHMENT
23rd Session of the International Poplar Commission “Poplars, Willows and People's Wellbeing
Session 4-A: Short Rotation Forestry and biomass production
Beijing, China, 26- 30 October 2008
CRA CRA -- Research Unit Wood production outside forestResearch Unit Wood production outside forestCasale Monferrato ItalyCasale Monferrato Italy
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SRC
Annual rotation
Biennial / triennial rotation
During the last 6 years over 5000 hectares have been planted in Italy, mainly in the Po valley.
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Transports25%
Harvest29%
Culturalpractices
19%
Establishment18%
General costs4%
Removing theplantation
5%
SRC Costs
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Aims of this workAims of this work
species and clones
3 trials
Site: experimental farm Mezzi (CRA-PLF)
Casale Monferrato Italy
Evaluation of the influence on biomass production of:
different planting materials
different transplanting machines
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1st Trial A quick and an accurate method of cutting
preparation were compared.
Species and clone:
Populus ×canadensis clone Orion
Salix matsudana × ? clone Levante
Salix matsudana × ? clone S76-008
Electric machine
Prototype Berni
(accurate method)
(quick method)
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11stst TrialTrial
Electric machine
500-600 cuttings · h-1
Prototype Berni
3000 cuttings · h-1
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22ndnd TrialTrialComparison among 3 transplanting machinesComparison among 3 transplanting machines
Populus × canadensis clones I-214 and Neva mixed
S. matsudana × ? clones Levante and S76-008 mixed
(cuttings 20 cm long)
Rotor
Oliver
Alasia
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22ndnd TrialTrialComparison among 3 transplanting machinesComparison among 3 transplanting machines
Populus × canadensis clones I-214 and Neva mixed
S. matsudana × ? clones Levante and S76-008 mixed
(cuttings 20 cm long)
Rotor
OliverOliverOliver
AlasiaAlasiaAlasia
Speed: 1 km·h-1
Workers:3Row:1Power: 40 KWProd.: 0.3 ha·h-1
(Source:Balsari 2007)
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22ndnd TrialTrialComparison among 3 transplanting machinesComparison among 3 transplanting machines
Populus × canadensis clones I-214 and Neva mixed
S. matsudana × ? clones Levante and S76-008 mixed
(cuttings 20 cm long)
RotorRotorRotor
Oliver
AlasiaAlasiaAlasia Speed: 1.1 km·h-1 Workers:4Row:2 Power: 60 KWProd.: 0.6 ha·h-1
(Source:Balsari 2007)
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22ndnd TrialTrialComparison among 3 transplanting machinesComparison among 3 transplanting machines
Populus × canadensis clones I-214 and Neva (mixture)
S. matsudana × ? clones Levante and S76-008 (mixture)
(cuttings 20 cm long)
RotorRotorRotor
OliverOliverOliver
Alasia
Speed: 1.2 km·h-1
Workers:3Row:1Power: 45 KWProd.: 0.4 ha·h-1
(Source:Balsari 2007)
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33rdrd TrialTrialEstablishment with and without plastic mulchEstablishment with and without plastic mulch
Populus ×canadensis clone I-214
Salix matsudana × ? clone Levante
Spapperi with plastic mulch
Rotor without mulch
Rotor with plastic mulch
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33rdrd TrialTrialEstablishment with and without plastic mulchEstablishment with and without plastic mulch
Populus ×canadensis clone I-214
Salix matsudana × ? clone Levante
Spapperi with plastic mulch
Rotor without mulchRotor without mulchRotor without mulch
Rotor with plastic mulchRotor with plastic mulchRotor with plastic mulch
Speed: 1 km·h-1
Workers:3Row:1Power: 40 KWProd.: 0.3 ha·h-1
(Source:Balsari 2007)
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Spapperi with plasti<c mulchSpapperi with plasti<c mulchSpapperi with plasti<c mulch
Rotor without mulch
Rotor with plastic mulchRotor with plastic mulchRotor with plastic mulch
33rdrd TrialTrialEstablishment with and without plastic mulchEstablishment with and without plastic mulch
Populus ×canadensis clone I-214
Salix matsudana × ? clone Levante
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Spapperi with plastic mulchSpapperi with plastic mulchSpapperi with plastic mulch
Rotor without mulchRotor without mulchRotor without mulch
Rotor with plastic mulch
33rdrd TrialTrialEstablishment with and without plastic mulchEstablishment with and without plastic mulch
Populus ×canadensis clone I-214
Salix matsudana × ? clone Levante
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Trial characteristicsTrial characteristics
Planting yearPlanting year
Cutting preparationCutting preparation
Surface.: 2.500 m2
Rows n°: 3
Spacing: 2,40×0,51 m
Density: 8.170 p. ha-1
Exp. design: split-plot with 3 rep.
Establishment Establishment with/without mulchwith/without mulch
Surface.: 1.600 m2
Rows n°: 3
Spacing: 2,40×0,51 m
Density: 8.170 p. ha-1
Exp. design: split-plot with 3 rep..
CompComparison among arison among 3 transplanting 3 transplanting
machinemachineSurface.: 5.400 m2
Rows n°: 3
Spacing: 1,90×0,70 m
Density: 7.500 p. ha-1
Exp. Design: complete randomized blockwith 3 rep.
2004
2004
2002
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Cultural PracticesCultural Practices
20022002 20042004years
0 1 2 3 4 5 6
4 11 1 1 2 1
51 4 3 3 2 1
years0 1 2 3 4
3 11 1
5 5 25 4 1
PK FertilisationPK FertilisationPloughingPloughingHarrowingHarrowing
Chemical weed controlChemical weed controlDisc harrowingDisc harrowing
Mechanical weed controlMechanical weed controlN FertilisationN Fertilisation
Pest controlPest controlIrrigationIrrigation
HarvestingHarvesting
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Variables recordedVariables recorded
Rooting of cuttings or survival of plants/stumps
Growth
diameter at breast height (only living shoots with height > 150 cm)
number of died shoots with height > 150 cm or < 150 cm
number of living shoots with height < 150 cm
Production
total wet weight
dry weight on a sample
diameter at 10 cm of height and total height on a sample
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Dry biomass estimationDry biomass estimation
Dry weight = b · D130c
Genus b c R2
Populus 0,556 2,195 0,936
Salix 0,135 · 10-6 2,702 0,897
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Trial 1 Trial 1 -- Cutting preparation methodCutting preparation method
90
84
82 81
93
89 90 90
96 9695
92
70
75
80
85
90
95
100
Att.
e S
op. (
%)
Orion
Leva
nte
S76-0
08
Orion
Leva
nte
S76-0
08
Speditiva Accurata(Surv. 85 b) (Surv. 92 a)
Root
.
Surv
.
Quick method Accurate method
Roo
t. A
nd S
urv.
%
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3,9 3,3 2,3
12,1 12,9 13,1
7,59,7 8,7
18,4
28,1
32,5
0
5
10
15
20
25
30
35
40
Bio
mas
sa a
nidr
a (t
ha-1
)
Orion
Leva
nte
S76-0
08
Orion
Leva
nte
S76-0
08
Orion
Leva
nte
S76-0
08
Orion
Leva
nte
S76-0
08
1° anno 2° anno 3° anno 4° anno
ceduazione
a
b
ab
Trial 1 Trial 1 -- Cutting preparation methodCutting preparation method
coppicing
1° year1° year 2° year 3° year3° year 4° year
Dry
Bio
mas
s t·h
a-1
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Trial 2 Trial 2 -- Comparison among transplanting machineComparison among transplanting machine97
69
9795
88
61
86
75
92
61
94 94
50
55
60
65
70
75
80
85
90
95
100A
tt. e
Sop
. (%
)
Pioppo
Salice
Pioppo
Salice
Pioppo
Salice
Rotor Oliver Alasia(Root. 87 B)(Root. 97 A) (Root. 93 AB)
Root
.Su
rvRoo
t. A
nd S
urv.
%
Poplar
Poplar
Poplar
Willo
w
Willo
w
Willo
w
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92
63
92
88
50
55
60
65
70
75
80
85
90
95
100
Att.
e S
op. (
%)
Pioppo
Salice
Root
.
Surv
.
A
B
Trial 2 Trial 2 -- Comparison among transplanting machineComparison among transplanting machineR
oot.
And
Sur
v.%
Roo
t. an
d Su
rv.%
Poplar
Willo
w
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5,2 6,2
18,8
22,6
2,8
8,76,8
23,7
0
5
10
15
20
25
30B
iom
assa
ani
dra
(t ha
-1)
Pioppo
Salice
Pioppo
Salice
Pioppo
Salice
Pioppo
Salice
1° anno 2° anno 3° anno 4° anno
ceduazione
A
B
A
B
1° year 2° year 3° year 4° year
coppicingD
ry B
iom
ass
t·ha-1
Poplar
Willo
w
Poplar
Poplar
Poplar
Willo
w
Willo
w
Willo
w
Trial 2 Trial 2 -- Comparison among transplanting machineComparison among transplanting machine
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91
87
9694
90
82
93 93
84
78
63 62
50
60
70
80
90
100A
tt. e
Sop
. (%
)
I-214
Leva
nte
I-214
Leva
nte
I-214
Leva
nte
Spapperi (2) telo Rotor no telo Rotor telo
a
b
a
aa
a
(Root. 94 A; Surv. 91 a) (Root. 73 B; Sur. 70 b)(Root. 92 A; Sur.87 a)
Root
.Su
r.
Trial 3 Trial 3 -- Establishment with/without plastic mulchEstablishment with/without plastic mulch
Roo
t. an
d Su
rv.%
Spapperi (mulch.) Rotor Rotor (mulch.)
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A
a
A
A
b
B
B
B
2,4 3,0
13,8
19,1
4,4
15,0 14,0
38,3
0
5
10
15
20
25
30
35
40
Dry
Bio
mas
s t
·ha-
1
I-214
Leva
nte
I-214
Leva
nte
I-214
Leva
nte
I-214
Leva
nte
1° year 2° year 3° year 4° year
coppicing
Trial 3 Trial 3 -- Establishment with/without plastic mulchEstablishment with/without plastic mulch
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ConclusionsConclusions11stst trialtrialThere were no statistically significant differences between the There were no statistically significant differences between the accurate and the quick cutting preparation methods, for rooting,accurate and the quick cutting preparation methods, for rooting, tree survival or production during 1tree survival or production during 1st st rotation. rotation. 22ndnd trialtrialThe transplanting machines had a highly significant influence onThe transplanting machines had a highly significant influence on rooting % in the first year.rooting % in the first year.
33rdrd trialtrialPlastic mulching, which eliminates the problem of chemical weed Plastic mulching, which eliminates the problem of chemical weed control, can be used only if the cuttings are planted 4control, can be used only if the cuttings are planted 4--5 cm above 5 cm above the ground. In this trial planting machines did not have a stronthe ground. In this trial planting machines did not have a strong g influence on production, but differences among species and influence on production, but differences among species and clones were significant in the first year and highly significantclones were significant in the first year and highly significant at at the end of the cycle. the end of the cycle.
The willow clones utilized had greater productivity than the The willow clones utilized had greater productivity than the poplars.poplars.
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Thank you for your attention