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aristrocratic wines at democratic prices
 

A to Z Wineworks

Karen Peterson
 
June 12, 2015 | Education, Viticulture & Sustainability | Karen Peterson

Soils!

In celebration of the UN naming 2015 the International Year of Soils (IYS), I think it is only fair to write about soils; however, there is only one way to do it justice…a SOIL SERIES! So, we will be bringing a series of soil related blog postings that will hopefully get everyone just as excited as we are about soils.

To kick off the series, I’ll share with you an epiphany I had while reminiscing about the soil classes I took during my undergrad: When describing a wine, many of the terms used to identify specific qualities of that wine are shared by soil scientists when describing soils. Our Tasting Room Manager, my fellow Karen at A to Z, and I have put together a table of descriptors for your enjoyment.

 

aroma

soil

A healthy soil will have a “good” aroma – if you’re getting off aromas from a soil, that’s a clue that there’s something going on with it.

wine

Also known as ‘the nose’ of a wine, aroma is what the wine smells like, from the “good” aromas of fruit to floral to earthy components. If the wine has an off aroma, it could be an indication of a wine fault.

 

structure

soil

Structure is simply the arrangement of soil aggregates. Soil structure influences water, air and nutrient relations in the soil. Promoting good soil structure is crucial to keeping a vineyard healthy.

wine

Structure refers to the relationship and, ultimately, the balance of different components in wine such as acid, tannin, alcohol, body, texture, etc. A good structured wine has greater potential to age longer.

 

texture

soil

Texture refers to the percent of clay, silt and sand particles in the soil. Soil scientists are often able to tell a lot about a soil based on how it feels (i.e. a soil with a higher percent of sand may feel gritty).

wine

Texture is a component of structure, and is the general sensation or overall mouthfeel of the wine that incorporates the weight, body, tannins, etc. (i.e. a wine with more tannin may feel chalky or grippy on your palate).

 

acidity

soil

Soil acidity is important to take into consideration when planting any crop, and can be altered by many farming practices. Blueberries, for example, thrive in acidic soils (a pH of 4.5 – 5ish), whereas wine grapes need a slightly higher pH soil (5.5 – 6.5ish).  The soil pH affects the availability of nutrients in the soil. If plants that are not suited to a soil’s specific pH are planted, nutrient deficiencies and/or toxicities will become apparent, and the plant will not thrive.

wine

Acidity is another part of the structure of wine, and it refers to the amount of perceived acid in the wine. Without acidity, wines taste flat, soft or flabby, but with too much acidity, wines can taste tart, sharp or sour.

 

balance

soil

A loaded term when it comes to soils – this is a drastic over-simplification, but a healthy balanced soil works like a well-oiled machine. In agriculture, we have to be very aware of the consequences management has on the soil’s natural systems lest we throw a balanced soil system out of balance.

wine

A loaded term when it comes to wines as well – on a broad scale, balance refers to the overall perception of the structure at the end of each taste. It is the relationship and equilibrium of all the components in wine (acid, tannin, alcohol, body, texture, etc.). When no one component sticks out more than another, the wine has balance, a sense of elegance and completeness, which is a hallmark of great wines.

Comments

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