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Results for “alkaline soils”
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Getting the most out of applied phosphorus (P) - understanding soil P relations in vineyard soils
The vineyard industry is evolving rapidly – new soil conditioners, precision tools and AI-driven decisions are becoming commonplace. Yet, as Jean-Baptiste Alphonse Karr famously wrote, “The more things change, the more they stay the same.”
By VIVIAN WHITE · 7 min read
Calcium tartrate instability
Calcium-induced instability is a most insidious problem in bottled wines mainly due to the unpredictable and slow formation of crystals, which usually do not come out of solution for some time after bottling and often after commercial release.
By Carien Coetzee · 10 min read
In-field fractional use of winery wastewater with raw water (Part 2): Irrigation application, water quality and nutrient load
The primary objective of this project was to assess the fitness for use of winery wastewater for irrigation of different soil types with varying rainfall quantities and leaching levels on vineyard performance in terms of yield and quality under field conditions.
By Carolyn Howell & Reckson Mulidzi · 19 min read
In-field fractional use of winery wastewater with raw water (Part 3): Soil responses
The aim of this study was to determine the effect of in-field fractional use of winery wastewater with raw water for vineyard irrigation on the chemical status of different soils to assess the fitness for use of winery wastewater for irrigation of different soil types with varying rainfall.
By Carolyn Howell & Reckson Mulidzi · 20 min read
The geology of wine
Paul Clüver Family Wines recently hosted Professor John Compton to discuss the geological history and significance of the Elgin basin. Elgin is a cool-climate region known for exceptional Chardonnay and Pinot Noir, but despite its rocky niche, the valley shares a fragile ecosystem with other parts…
By SA Wine Industry · 5 min read
Winery wastewater irrigation (Part 5): Effect on soil K, Na and pH(KCl)
The objective of this study was to determine the effects of irrigation with diluted winery wastewater on selected chemical properties of four soils varying in parent material and clay content.
By Reckson Mulidzi & Carolyn Howell · 23 min read
Winery wastewater irrigation (Part 6): Effect on soil phosphorus
The objective of this study was to determine the effects of irrigation with diluted winery wastewater on soil P of four soils varying in parent material and clay content.
By Reckson Mulidzi & Carolyn Howell · 13 min read
Van Loveren Family Vineyards’ upscale move, part of long-term vision
Van Loveren Family Vineyards (VLFV), renowned for its powerhouse portfolio of popular wine brands, is on a long-term course to grow its presence at the higher-end, prestige sector of the market.
By SA Wine Industry · 5 min read
Winery wastewater irrigation (Part 7): Effect on soil enzyme activities
The objective of this study was to determine the effects of irrigation with diluted winery wastewater on the activities of urease, beta-glucosidase and phosphatase of four soils varying in parent material and clay content.
By Reckson Mulidzi & Carolyn Howell · 13 min read
