摘要：The biologization of viticulture is considered as a necessary attribute of its effective functioning, aimed at reducing environmental and economic risks. Comparative studies of the effect of conservative system of agriculture, including chemical crop protection, and the organic system with using preparations Extrasol, Respecta, Chitosan, Tiovit Jet on physicochemical indicators and quality of grapes and wines were carried out. We used grape cultivar ‘Bastardo magarachskiy’ from the South Coast area of Crimea. It was found that using preparations in the organic farming system contributed to the accumulation (α
