It’s impossible to talk about the pending harvest without talking about YAN. Every year, I run into winemakers asking me what nutrient additions to make when they do not know their starting YAN, or yeast assimilable nitrogen (aka yeast available nitrogen). Not knowing the must’s YAN concentration when treating fermentation with nutrient supplements is equivalent […]
Harvest
Preparation to Ease Harvest Chaos
The start of summer is the beginning of the end for winemakers: we know harvest season is just around the corner. That means the grape harvest chaos is ready to unleash itself upon us: the frequent and unplanned grape deliveries, tank space situations causing stress, wondering if correct additions were made, late hours, sore muscles, […]
2017 Harvest Production Tactics
Depending on where your vineyards are located, Pennsylvania (PA) is seeing dramatic climatic differences during the 2017 growing season. The weather associated with the growing season ultimately influences grape quality for the current year’s vintage. The northwestern part of Pennsylvania (Erie County) has experienced a hot and dry growing season through September 2017. Andy Muza, […]
