The Role of Terroir in Wine Production

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The Role of Terroir in Wine Production
Stimson Lane Vineyards Estates
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The Role of Terroir in Wine ProductionA
Washington State Perspective

• What is terroir?
• Components of terroir
• Washington terroirs
• Experimental methods to improve
• terroir expression

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Terroir

• The total natural environment of any viticultural
  site

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Terroir

• Wine Quality

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Terroir

• Soil
• Climate
• Topography
• Ecology
• Plant material
• Management practices

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Soil

• Physical characteristics
• Hydrology-soil water relations
• Physical properties-water holding capacity
• Profile depth-rooting depth
• Chemical characteristics
• Ecology

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Climate

• Macroclimate, Mesoclimate, Microclimate
• Temperature
• Sunlight
• Rainfall
• Wind

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Topography

• Elevation
• Slope
• Aspect

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Ecology
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Ecology

• Animals
• Insects
• Plants
• Fungi
• Yeast

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Plant Material

• Variety
• Clone
• Rootstock

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Management Practices

• Vineyard
• Vine management
• Planting
• Trellising Training
• Pruning
• Fertilizer application
• Irrigation
• Canopy management
• Harvesting
• Pest Control
• Covercrop

• Winery
• Additives
• Fermentations
• Aging

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Terroir
Climate
Topography
Man
Soil
Ecology
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Washington Terroirs
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Research Vineyard Establishment
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Research Vineyard 2000
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V10 Research Vineyard Block 36
Syrah (Farming Systems) 4.5 A
Chardonnay (Farming Systems) 4.5 A
N
Merlot (8 Clones) 3.1 A
Variety/Clone Trial (63 Varieties/Clones) 7.5 A
Columbia Crest Winery
Cabernet Sauvignon (Farming Systems) 4.6 A
Merlot (Vine Spacing) 4.5 A
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Mechanical Pruning Trials

• Mechanical Pruning Evaluation in Chardonnay,
  Merlot, and Cabernet Sauvignon Grapevines

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Irrigation Management Trials

• Regulated Deficit Irrigation Management of
  Cabernet Sauvignon Riesling

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Canopy Cooling Study

• Canopy Cooling Influence on Fruit and Wine
  Quality in Cabernet Sauvignon

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Research Winery 2000
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Micro-oxygenationOak Alternatives
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Conclusions

• Terroir includes many variables
• Terroir Wine quality
• Winemaker
• Consumer
• Accountant
• Terroir expression through management practices
• The best terroirs allow flexible management
  practices

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Terroir