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Pomocné látky ve vinohradnictví - přípravek Vitality komplex
 Rozkydalová, Radka
The aim of the thesis was to study and investigate written literary sources about aid substances used in viniculture. The substance named Vitality complex was then used in trial for experimental part. The trial was set in vineyard located in Slovacká wine-making area in village Karlín and was performer on varieties: Riesling Weiss, Pinot Gris and André. Substance Vitality complex was applied by spraying onto the leaves using concertation and time interval following the recommendations from substance producer. Substance application was performed from April till August. Control grape picking was done during August and September and quantity and quality changes against a check sample were observed. Focused parameters were weight of grapes and weight of bunch of grapes, sugar content, acid content, power of Hydrogen (pH) and yeast assimilable nitrogen. This gathered data were then processed and compared with existing trial results where different supporting substances were used.
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