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The manifestation certified and farm seed at selected potato varieties
PÁVEK, Miroslav
The main aim of this thesis was to evaluate the manifestation of certified seed and farm seed in selected varieties of potatoes. The experiment started in 2015 on the estate of Agricultural faculty of the University of South Bohemia. Four varieties (Magda, Adéla, Laura, Satina) with different vegetation period were planted. The certified seed was used in step A and the farm seed was divided according to size and it was tested for the presence of virus diseases. It was established 32 plots. The harvest of testing plots was on 29th September 2015. Each plot was harvested into the separate bag. Then the size sorting was done and individual tubers were counted. Based on measured values were determined the tuber yield, the yield of table potatoes, the content of the starch and the average weight per tuber. It was also observed the number of emerged plants of each variety and the number of stems per plant. The obtained results show that the use of farm seeds in the first year doesn´t have to mean an immediate decline in yield but varieties Magda, Adéla and Satine even increased their average yield about 9 t/ha. Only the yield of variety Laura was higher in certified seed by 4 t/ha. It wasn´t proved the impact of the chosen seed to the content of starch.
Rating mass concentration of airborne dust in the road transport depending on the type of pollution transport routes.
PÁVEK, Miroslav
In the thesis the values of air pollution re-suspended solid pollutants on the diameter of 10 micrometres (PM10) during the movement of vehicles of different categories of polluted roads routes. Measurements were carried out on three lines of transport operation of various vehicle categories as diverse weight and the type of pollution road. Measured values and analysis results show that the resulting air pollution in the vicinity of the road affects several factors. The main factors include the level and nature of the pollution of the road, then the distribution of impurities on the surface of the road, another factor is the overall traffic intensity and the way the brush options while driving the vehicle.

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2 Pávek, Martin
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