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Results for “nutrients”
Showing 1–12 of 103 results
103 results — page 1 of 9
Lipids in white winemaking - the too oft-ignored essential nutrients
It is important for winemakers to understand the factors contributing to lipid deficiency in grape juice and solutions to circumvent this.
By Lethiwe Mbuyane, James Duncan & Benoit Divol · 8 min read
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.
By Carolyn Howell, Karla Hoogendijk, Philip Myburgh, Vink Lategan & Eduard Hoffman · 14 min read
Treated municipal wastewater for irrigation (Part 3): Yield and juice characteristics
This study’s objective was to assess long-term irrigation sustainability with treated municipal wastewater (TMW) on grapevine yield and juice characteristics in the latter part of a field trial in commercial vineyards in the Coastal region of the Western Cape, South Africa.
By Carolyn Howell, Karla Hoogendijk, Philip Myburgh, Vink Lategan & Eduard Hoffman · 18 min read
Treated municipal wastewater for irrigation (Part 4): Soil chemical responses
This study’s objective was to assess the effects of long-term irrigation with treated municipal wastewater (TMW) on soil chemical properties in commercial vineyards in the Coastal region of the Western Cape.
By Carolyn Howell, Karla Hoogendijk, Philip Myburgh, Vink Lategan & Eduard Hoffman · 18 min read
Towards a circular economy in winemaking - re-utilisation of yeast lees
Researchers explored the feasibility of using processed yeast lees generated during alcoholic fermentation as a nutrient supplement in subsequent fermentations.
By Karien O'Kennedy · 5 min read
Microbial monitoring and sanitation practices in wine cellars
Proper sanitation practices in wine cellars prevent the development of undesirable micro-organisms. Although the alcohol concentration of wines limits the micro
By Charl Theron · 7 min read
On top of tech
How narrow can you go? Many of the implements are designed for steep vineyards with narrow rows.
By Lee-anne · 5 min read
Post-harvest vineyard practices
PHOTO 1. In this block of Grenache noir it is obvious that growth and production are much weaker in the sections which are affected by couch grass.
By Doronae · 4 min read
The mystery that is Brett
How can you avoid the enigmatic scavenger, Brettanomyces bruxellensis, in your wine?
By Brendan Smith and Benoit Divol · 8 min read
New Winetech projects for 2017 (Part 3)
1. Investigating the spread of natural vitiviruses
By Winetech Editorial Team · 3 min read
Liming through drip irrigation
For optimal growth and yield, the soil pH has to be correct.
By Doronae · 4 min read
