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Biosand reactors as a feasible solution for the treatment of winery wastewater (Part 1)
A number of laboratory-based and pilot studies have been conducted to determine the effectiveness of biosand reactors for the remediation of winery wastewater.
Yeast cell density and the effect on volatile thiol formation
A recent study investigated the effect of varying the yeast population at the time of inoculation and how it affects the overall fermentation with a special focus on the formation and release of volatile thiols.
Treated municipal wastewater for irrigation (Part 2): Grapevine water status and vegetative responses
This study’s objective was to assess the sustainability of long-term irrigation with treated municipal wastewater (TMW) on grapevine vegetative growth from the 2014/15 to 2017/18 seasons in commercial vineyards in the Coastal region of the Western Cape, South Africa.
Waterlogged conditions in vineyards
When soil is saturated with water, the soil water content is above field capacity. This is known as waterlogged conditions, as observed during floods or over-irrigation.
Vinpro Production Plan survey
The Vinpro Production Plan survey is the annual barometer on the viability and sustainability of the South African wine industry. The service is conducted per vintage in each of the 10 wine regions, within study groups and individual context. Trends and observations are extrapolated to provide an industry overview.
South Africa Wine Cellar Assistants’ Programme 2024: Information days and workshops for senior cellar assistants
The Cellar Assistants’ Programme will host information days and workshops in 2024 in the participating districts.
Treated municipal wastewater for irrigation (Part 1): Irrigation application and water quality
This study’s objectives were to assess the quality of treated municipal wastewater (TMW) used for irrigation of commercial vineyards and to quantify the amount of plant nutrients applied via TMW irrigation.
Bioprotection as an alternative to sulphur dioxide in the pre-fermentation phase
There has been recent research on bioprotection as an alternative to sulphite addition in the pre-fermentation phase. This technical article discusses the many advantages of using bioprotection agents.
Under-vine living mulches
Broadleaf annuals are gaining popularity and are frequently being used as under-vine living mulches.
Confronting Climate Change
Confronting Climate Change (CCC) approached Steven Versfeld, a pome fruit grower, dedicated CCC user, and the current owner of Achtertuin Farm, to share his sustainability story and some of his experiences with the online carbon calculator.
Hydrogen sulphide formation in canned wines – the role of liners and wine composition
A recent study investigated the role of different can internal coatings (liners), as well as wine composition in hydrogen sulphide formation to better understand the mechanisms involved in the occurrence of the stinky aroma over time.
Promotion of wild bees in South African and Austrian vineyards by plants with diverse floral traits
The aim of this study was to gain a better understanding of how the plant community in vineyards could potentially be manipulated to improve bee diversity.