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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Vliv rozsahu kolonizace kořenového systému vějířovcem obrovským na stabilitu stromů
 Cvach, Marek
This thesis investigates the effect of the extent of colonization of the root system of Meripilus giganteus on the stability of Fagus sylvatica. On the basis of pulling tests of infested trees from the Czech Republic, the Netherlands and Belgium and their accompanying photo-documentation, data were evaluated and used to establish relationships between the effects of different factors on the resistance of trees to uprooting. Graphs were produced for each of the dependencies, which were subsequently evaluated and commented on verbally. For example, a high dependence of the resistance to uprooting was found for the proportion of trunk diameter and the angle of colonisation of M. giganteus around the tree, and for the different effects of each parameter.
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Analýza vlivu půdní injektáže na stabilitu a vitalitu stromů
 Kyslík, Ondřej
The bachelor thesis deals with the influence of air injection on the stability and vitality of the tree. The measurement was performed on three individuals of the species Tilia cordata Mill. Based on the data measured using pulling tests, a safety factor was calculated for each tree before and after soil injection. No significant changes were observed among the safety factors, and it can be confirmed that in this case the air injection treatment had no influence on the stability of the examined trees.
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