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  2. List of vineyard soil types - Wikipedia

    en.wikipedia.org/wiki/List_of_vineyard_soil_types

    This soil warms quickly and retains heat well. The soil's high level of acidity works to minimize the acid levels in the grapes which works well with acidic grapes like Gamay. It is the main soil type of the Brand region of Alsace. [2] Gravel – Loose siliceous pebble soil that has good drainage but poor fertility. Vines planted in this type ...

  3. Circumneutral - Wikipedia

    en.wikipedia.org/wiki/Circumneutral

    Circumneutral is a descriptor for soils which have a pH that is close to neutral. Circumneutral soils have a pH between 6.5 and 7.5. [1] A soil’s pH affects whether minerals dissolve in the soil and how quickly they dissolve. This causes circumneutral soils to have unique chemical qualities. [2]

  4. Ripeness in viticulture - Wikipedia

    en.wikipedia.org/wiki/Ripeness_in_viticulture

    While pure water is neutral with a pH of 7, wine tends to be more acidic with a pH between 3 and 4. As the acid levels in ripening grapes fall, the concentration of acids are lessening which means the pH level is rising. Yeasts, bacteria, phenolic compounds such as anthocyanins which influence color all have varying tolerance to wines with high ...

  5. Acids in wine - Wikipedia

    en.wikipedia.org/wiki/Acids_in_wine

    A wine with high pH and low acidity like Carménère (pictured) will have more bluish color notes than a wine with high acidity. Acidity is highest in wine grapes just before the start of veraison, which ushers in the ripening period of the annual cycle of grape vines. As the grapes ripen, their sugar levels increase and their acidity levels ...

  6. Soil pH - Wikipedia

    en.wikipedia.org/wiki/Soil_pH

    Global variation in soil pH. Red = acidic soil. Yellow = neutral soil. Blue = alkaline soil. Black = no data. Soil pH is a measure of the acidity or basicity (alkalinity) of a soil. Soil pH is a key characteristic that can be used to make informative analysis both qualitative and quantitatively regarding soil characteristics.

  7. Wine chemistry - Wikipedia

    en.wikipedia.org/wiki/Wine_chemistry

    Wine is a complex mixture of chemical compounds in a hydro-alcoholic solution with a pH around 4. The chemistry of wine and its resultant quality depend on achieving a balance between three aspects of the berries used to make the wine: their sugar content, acidity and the presence of secondary compounds.

  8. Trump taps retired General Keith Kellogg for Ukraine envoy role

    www.aol.com/news/trump-eyes-retired-general...

    WASHINGTON (Reuters) -Donald Trump has tapped Keith Kellogg, a retired lieutenant general who presented him with a plan to end the war in Ukraine, to serve as a special envoy for the conflict, the ...

  9. Soil acidification - Wikipedia

    en.wikipedia.org/wiki/Soil_acidification

    Soil acidification is the buildup of hydrogen cations, which reduces the soil pH. Chemically, this happens when a proton donor gets added to the soil. The donor can be an acid , such as nitric acid , sulfuric acid , or carbonic acid .

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