WINETECH Technical Yearbook 2019

In this three part series, we explore some fundamental aspects of sulphur and nitrogen foliar fertilisation and the chemical and sensory results of a recent project that took place in South Africa. FOLIAR FERTILISATION AND WINE AROMA Vine nutrition plays a crucial role in vine development, canopy growth and composition of the grape berry (Bell & Henschke, 2005; ASTRID BUICA, ALÉTA BRUWER & WESSEL DU TOIT: Department of Viticulture and Oenology, Stellenbosch University, Stellenbosch KEYWORDS: Foliar fertilisation, sulphur, nitrogen. AUGUST 2019 NITROGEN AND SULPHUR FOLIAR FERTILISATION (PART 1): BACKGROUND AND CONTEXT