Terroir

Soil, climate, and the natural forces that shape a wine.

137 articles

Climate & Geography2
Climate Types28
Soil & Geology35
Albariza (Jerez / Sherry — White Chalk Mud; Moisture Retention under Flor)Alluvial Soils — Sandy, Stony, and Free-Draining (Argentina and Chile Valley Floors)Argile Rouge: Red Clay Terroir in Châteauneuf-du-Pape, Corsica, and RoussillonBasalt Soils (Alsace, Canary Islands, Wachau — Volcanic Mineral Character)Chalk Soils (Champagne & English Sparkling Wine — Drainage, Water Reserve & Terroir)Clay Soils — Water Retention, Body & Richness in WineCrasse de Fer: Pomerol's Iron-Rich SubsoilDecomposed Granite — Grus, Drainage, and Mineral PrecisionDouro Terroir: Schist Soils & Field BlendsGalestro (Friable Clay-Schist Marl — Chianti Classico, Tuscany)Galets Roulés / River Stones (Châteauneuf-du-Pape, Southern Rhône)Gimblett Gravels (Hawke's Bay, New Zealand)Gneiss (Alpine Terroir — Graubünden, Valais, Alsace)Granite Soils (Beaujolais Crus, Priorat, Roussillon, Swartland, Alsace Grand Cru)Gravel Soils — Drainage, Heat Retention & Cabernet Suitability in the MédocIron-Rich / Ferricrete (Koffieklip) Soils of the Western CapeKimmeridgian Limestone (Chablis, Sancerre, Champagne — Jurassic Marine Fossils)Limestone and Calcareous Soils — Drainage, Minerality, and Acidity RetentionLoess (Wind-Deposited Silt — Austria, Alsace, Argentina — Silky Texture in Wine)Malmesbury Shale (Swartland, South Africa)Marl (Clay + Limestone — Champagne, Nuits-Saint-Georges, Rioja Alta)Picón / Rofe (Volcanic Lapilli — Lanzarote — Wind Barrier & Moisture Retention)Ponca / Flysch (Friuli Collio — Alternating Marl & Sandstone — Mineral Whites)Porphyry Soils (Northern Rhône and South Australia — Igneous Rock with Phenocrysts)Pozzolana (Volcanic Ash — Campania, Etna, Lazio)Pumice Soils (Santorini — Phylloxera-Free, Extreme Minerality)Sandy Soils — Phylloxera-Resistant, Light-Textured Terroirs (Colares & Sable de Camargue)Schist Soils (Douro, Priorat, Swartland, Mosel)Silex / Flint (Pouilly-Fumé — Gunflint and Struck-Match Minerality)Slate / Blue Devonian Slate (Mosel — Heat Absorption; Petrol in Aged Riesling)Soils: Jurassic Limestone, Volcanic Basalt, Schist and Greywacke — Tiny Yields, Serious Pinot NoirSoutheast Chalk and Limestone Geology: The Cretaceous Connection to ChampagneTerra Rossa (Red Iron-Rich Clay Over Limestone — Coonawarra, Australia)Tuffeau (Loire Valley Limestone)Volcanic Soils Overview — Basalt, Pumice, Lava Ash, and Tuff
The Terroir Concept22
Topography & Geography23
Viticulture2
Viticulture Practices25
Biodynamic Farming — Rudolf Steiner's Philosophy & Demeter CertificationBiodynamic Preparations — 500 (Horn Manure), 501 (Horn Silica), 508 (Horsetail)Biodyvin Certification (Wine-Specific Biodynamic Certification Body)Botrytis Management — Avoiding Rot vs. Encouraging Noble RotClonal Selection — Uniformity and Predictability vs. DiversityCover Cropping — Biodiversity, Competition & Soil HealthDowny Mildew (Péronospora) — Bordeaux Mixture (Copper Sulfate)Field Blends — Multiple Varieties Co-Planted, Co-Harvested, Co-FermentedGreen Harvest (Crop Thinning / Vendange Verte) — Timing & Impact on QualityIntegrated Pest Management (IPM) in VineyardsLutte Raisonnée (Reasoned Struggle — Sustainable Middle Ground)Massal Selection / Sélection Massale — Propagating from the Best Individual VinesOld Vine Project (South Africa — Certified Heritage Vineyards 35+ Years)Old Vines / Vieilles Vignes — Age, Yield & Terroir ComplexityOrganic Viticulture — No Synthetic Pesticides or HerbicidesPhylloxera — 1860s Devastation & The Rootstock RevolutionPhylloxera & Rootstock Selection (SO4, 110R, 3309C, 101-14, Riparia Gloire)Pierce's Disease (Xylella fastidiosa) — California and Texas ThreatPowdery Mildew (Oïdium) — Management, Sulfur & Copper SpraysPre-Phylloxera Ungrafted Vines: Santorini, Colares, and ChampagneRegenerative Agriculture in VineyardsVIGNO (Vignadores de Carignan — Old-Vine Maule Carignan Collective)Vine Density (plants/ha): High Density (Burgundy 10,000+) vs. Low Density (Napa)What Qualifies as 'Old Vine'? (No Legal Standard — 35, 70, 100+ Years)Yield Regulation (hl/ha) in AOC and DOC Law

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