Slovak wine following terms: Víno bez zemepisného označenia - "Wine without geographic indication" is replacing former category of Stolové víno - Table wine. Minimum level of sugar content is 13 °NM. Víno s chráneným zemepisným označením - "Wine with protected geographic indication" - produced from grapes registered in the List of registered varieties, grown, produced and bottled in one of the Slovak wine regions, maximum yield per hectare wasn't exceeded, minimum level of sugar content was 13 °NM and it fulfills the requirements of established product specification. It can be indicated with traditional term regionálne víno if the grapes reached 15 °NM,
Yield (wine) Yield (wine) In viticulture, the yield is a measure of the amount of grapes or wine that is produced per unit surface of vineyard, and is therefore a type of crop yield. Two different types of yield measures are commonly used, mass of grapes per vineyard surface, or volume of wine per vineyard surface. The yield is often seen as a quality factor, with lower yields associated with wines with more concentrated flavours, and the maximum allowed yield is therefore regulated for many wine appellations. In most of Europe, yield is measured in hectoliters per hectare, i.e., by the volume