The secret life of nitrogen
Jo Co w
NITROGEN
roy e d
Vines may have a reputation for having low nutrient demands, particularly for nitrogen, but ignoring their requirements can result in deficiencies, poor growth, and lower yields. Nitrogen levels in grape composition can impact the must – affecting fermentation and wine flavour profile. Nitrogen has a reputation for being complicated to measure with unpredictable plant-availability. Jo Cowderoy finds out from some of the experts how to demysti nitrogen in vines. Photo: Julien Searle
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> Once nitrogen deficiency symptoms are showing, vine growth and crop development could already be affected
