Winetech Scan
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the latest South African
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Groundcover mulching in vineyards improves soil health already in the short term
This study compared the effects of mulch, natural vegetation and tillage on soil chemical, physical and biological parameters. BACKGROUND Vineyards are among the land uses with the highest soil degradation rate in Mediterranean Europe, mainly due to...
Grapevine decline is associated with difference in soil microbial composition and activity
The aim of this study was to determine whether grapevine decline is associated with a difference in soil microbial composition and activity. BACKGROUND Grapevine decline is a top concern in viticulture worldwide and is often associated with many biotic and...
The effect of aeration on spontaneous Chardonnay fermentations
It is common practice for winemakers to do uninoculated fermentations on Chardonnay. Winemakers find that it can lead to increased complexity and mouthfeel attributes in their wines. Spontaneous fermentations, however, come with an increased risk of stuck...
Commercially available non-Saccharomyces yeasts for winemaking
About 42 commercial products based on non-Saccharomyces yeasts are estimated as available on the market, being mostly pure cultures (79%), with a predominance of Torulaspora delbrueckii, Lachancea thermotolerans, and Metschnikowia pulcherrima. The others are...
UV-C irradiation in the post-harvest period on Cabernet Sauvignon grapes
The aim of this study was to investigate the effects of UV-C irradiation on Cabernet Sauvignon wine characteristics. Previous studies reported increases in anthocyanin concentrations in Summer Black, Red Globe and Isabel grapes and the researchers of this study was...
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