120319 present a tie werkviooltje@plant
TRANSCRIPT
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Multi-purpose crops and creativecombinations of valorisation
trajectoriesthe case of Miscanthus x giganteus
Bio-energy Production Europe 19-21/03/2012
Presented by Veerle Van linden
MSc of Viooltje Lebuf (June 2011)
Promotors: Prof. dr. ir. Ludwig Lauwers, Dr. ir. Veerle Van linden
Institute for Agricultural and Fisheries ResearchTechnology and Food Science Unit
www.ilvo.vlaanderen.beAgriculture and Fisheries Policy Area
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Why multi-purpose crops?
Multi-purpose crop: Multi-product crops
Multiple land-use Combination of VTs1, different approach to
bio-energy and bio-based products( unidirectional)
Implementation on-farm
1VT = valorisation trajectory
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How can a farmer in Flanders use his/her
crops for multiple purposes, by combiningdifferent valorisation trajectories amongstwhich bio-energy and bio-based products?
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Research question
Integrating Food Feed - Fuel Fibre functionsHow can typical crops contribute to the diversification of
agricultural activities?
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Qualitative
Cultivationtechnique fiches +generic scheme
Critical factors for
success (CFS)
Quantitative
Miscanthus as casestudy
Stochasticity+uncertain
parameters Linear programming
Combining VTs
Feedback CFS
Result
Feasability VT onfarm?
Positive effectcombination?
Important CFS?
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Cultivation technique fiches +
generic scheme
Critical factors for success
Qualitative research
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First step in research:
line up different VT of crops in Flanders in a
comprehensive way
look for similarities between different crops
Create a Generick scheme Innovative use of existing crops
Assess the potential use of new (newly introduced) crops
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Cultivation technique fiches + Generic scheme
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PlantprotectionWater
EnergyOrganicmatter
CROP
Starch, sugar, oilcontaining component
Vegetative, non-lignified component
Vegetative, lignifiedcomponent
Bio-based products:green chemistry
Food industry
Feed industry
Bio-energy Bio-energy Bio-energy
ResidueResidue Residue
Fermented / direct
Bio-based materials:construction, paper, textile...
Feed industry
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In general: logistics, cultivation techniquerelated, ecological
Specific: co-fermentation, combustion,feed
Importance of factors varies
CFS can become less restrictive withimproved technology
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Critical factors for success (CFS)
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Miscanthus as case study
General methodResults for contract production
Results for combustion
Results for a combination of trajectories
Quantitative research
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C4-grass, East-Asian origin
Sterile hybrid, grown by rhizomes
15-20 years on field
yearly yield (from 2nd year) in spring time
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Miscanthus x giganteus
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1. Variable production stochasticity,
2. Uncertain parameters assumptions
3. Production theoretical optimisation1 without opportunitycosts
4. With opportunity costs : linear programming with datafrom representative farms+ uncertainties via sensitivityanalyses
5. Identification of CFS by. sensitivity analyses
1cultivation costs versus return on farm. The loss of benefits due to thereplacement of other crops by Misc. is not taken into account.
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Methodology quantitative research
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Contract shortage (fines) and excess production (lower price)
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0.058
0.06
0.062
0.064
0.066
0.068
0.07
0.072
0 0.02 0.04 0.06 0.08 0.1 0.12
B
0.154
0.156
0.158
0.16
0.162
0.164
0.166
0.168
0 0.02 0.04 0.06 0.08 0.1 0.12
D
Excess production price(/kg DS): -0,05 0 0,025 0,05 0,075 0,1
Equilibriump
ricewithincontract
(/kgDS)
Fine (/kg DS)
Loamy soilSandy soil
Results for contract production:
fibre board industry (VT1)
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CFSs for VT1
Cost of rhizomes
0.064
0.066
0.068
0.07
0.072
0.074
0.076
0 0.05 0.1 0.15
B
Yield
0.058
0.06
0.062
0.064
0.066
0.068
0 0.02 0.04 0.06 0.08 0.1 0.12
B
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Yield Yield+10%
Equilibriump
ricewithincontract
(/kg
DS)
Cost rhizomes (/piece): 0,35 0,25 0,15
Loamy soil Loamy soil
Fine (/kg DS) Fine e (/kg DS)
Equilibriump
ricewithincontract
(/kg
DS)
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Different from VT1: fine & excessproduction
Cost for storage ( 3/ton DM)
Investment biomass burner (40 000)
Pice: savings on fuel (0,39425/L) Only feasible in loamy soils
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Results for valorisation without contract:
combustion (VT2)
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CFSs for VT2
Storage cost Cultivated area loamy soil (ha)
3/ton DS 4,58
10/ton DS 4,58
20/ton DS 4,58
30/ton DS 0
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Investment Cost burner Area clay soils (ha) Area sandy-loamy
soils (ha)
Area sandy soils
(ha)
3000 11806 4,01 4,95 0
4000 18750 4,01 4,95 0
5000 25694 4,01 4,95 0
6000 32639 4,01 4,95 0
7000 39583 0 0 0
Cost for storage
Investment biomass burner
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CFSs for VT2
Fuel price (/l) Value of 1 ton DM
of Miscanthus
(springtime) ()
Area on clay soils
(ha)
Area on sandy loam
soil (ha)
Area on sandy soil
(ha)
0,40 0,1738 0 0 0
0,50 0,2173 4,14 4,95 0
0,60 0,2607 4,14 5,13 6,63
0,70 0,3042 4,14 5,13 7,00
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Fuel priceStookolieprijs
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Equilibrium price contract production
Equilibrium price is more stable, insensitive to variationsin fine
Farmer does not depend on industry for valorisation of
excess production
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0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0 0.02 0.04 0.06 0.08 0.1
EquilibriumP
ricewithincontract(/kg
DM)
Fine for shortage (/kg DMS)
Polders
Leemstreek
Zandleemstreek
Zandstreek
Results combination of trajectories(VT1 + VT2)
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First step = systematic representation of data =
QUALITATIVE whiche VTs are possible, whichcrop components are valuable, what are CFS? Second step= QUANTITATIVE stochasticity Uncertain basis data Miscanthus uncertain
numbers graphs Fact: trends in graphs & influence of CFS Combining contract production with on-farm
valorisation increases independency andcompetitively of farmer
Research of different combinations is possible:fermentation, pelletisation of chips, use in stablesas bedding material,...
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General conslusions
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thank you for your attention!
Institute for Agricultural and Fisheries ResearchTechnology and Food Science Unit
www.ilvo.vlaanderen.beAgriculture and Fisheries Policy Area