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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Interactions of fire with humus forms and edaphon
 Martinovská, Aneta ; Frouz, Jan (advisor) ; Vindušková, Olga (referee)
The aim of this bachelor thesis is to examine the question if there is any connection between the rate of decomposition of litter, removal of litter from the soil surface by bioturbation and the frequency and intensity of wildfires. The work describes in detail the mechanism of fire, factors influencing the frequency and intensity of wildfires and their ecological impacts. It pays particular attention to the role of fuel availability for the fire. It describes the relationship between the quality of fuel, its quantity and the rate of its accumulation on soil surface and the frequency and intensity of wildfires. In particular, study brings forvard an idea that the accumulation of fuel on the soil surface in the form of more or less decomposed litter. The work points out that the amount of this fuel depends on the quality of the litter, but its production is based on the rate at which the litter (fuel) decomposes on the soil surface and how fast it is possibly incorporated into the soil by bioturbation of soil organisms. The work also pays attention to factors influencing the intensity of bioturbation and the rate of decomposition, presents the factors influencing the formation of overlying forms of humus. The work points out the possible dependence between these forms of humus and the frequency of...
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Effect of agronomic and nutritional measures on soil biological activity
 KINCL, Petr
This bachelor thesis is a literature review, examinig the effect of agricultural and nutritional measures on soil biological activity. Bachelor thesis is systematically divided into several parts. At the beginning of the thesis are included important dates regarding soil organic matter and edaphon. Another part of the work has been to study effects of fertilization and liming on soil biological activity. Furthermore, there are studies on the impact of agro-technical measures and the impact of the application of pesticides. The paper also lists methods of research soil biological activity.
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