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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Perspektivní stroje pro provádění zelených prací ve vinohradnictví
 Lacková, Petra
The literary part of the submitted bachelor thesis is focused on the characteristics of individual green works and mechanization tools. Emphasis was placed on the description and technical design of these machines. Part of the elaboration is devoted to individual machines, where I introduced several types from different manufacturers. Their variants, technical data and notes. Also were compared the laboriousness, when it was found that when using mechanization, the winegrower saves up to 88 % of the time compared to manual production. Then were compared the cost of manual and mechanized security. The costs were higher when using mechanization, but the difference was not so significant. In the summery there was a questionnaire survey where was found out how many winegrowers today use mechanization or are going to buy.
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Hodnocení defoliace vinic s ohledem na stanovení rozsahu redukce listové plochy
 Tisarová, Mária
This thesis deals with the evaluation of defoliation of vineyards with respect to determination of extent of leaf area reduction in the varieties Hibernal, Zweigeltrebe and Cabernet Moravia. The experiment was conducted in 2013 at the experimental sites in the cadastral area of Lednice in Moravia and Rakvice. The development of leaf area was evaluated by ADC device BioScientific Ltd. during three periods (June, July, August) in the phenological stages of flowering phenological stages of fruit development and ripening of the fruit phenological stages. From the measured data was determined leaf area index (LAI) and the extent of defoliation. Using analytical methods parameters of quality grapes were evaluated - the sugar content, pH, acidity, assimilable nitrogen, and others in order to determine the optimal time of reduction in leaf area of a vine. Part of this work was also the evaluation of operating costs for Defoliator.
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