National Repository of Grey Literature 25 records found  previous11 - 20next  jump to record: Search took 0.01 seconds. 
Zavádění technologií precizního zemědělství na rodinné farmě
Konečný, Petr
The subject of the bachelor thesis is focused on theoretical description of all the parts, which are the part of the precision agriculture technology. The sources of informations contained the experience of experts and the domestic and foreign literature. This knowledge was theoretically applicated in the environment of the small family farm in Haná region with 195 ha. The best possible way to introduce the technologies of precision agriculture were estimated after consultations with the owner. The part of this thesis is the description of the making of the nitrogen variability map workflow.
Methodology of tree stands evaluation for the needs of monument care
Borusík, Pavel ; Martinek, Jiří ; Šimek, Pavel
Tree stands represent a structurally complex grouping of woody vegetation elements in close connection with the functional, operational and compositional essence of the garden art monument. The methodology of tree stand evaluation includes both a description of the current state and perspective of the vegetation component, as well as a set of information on the functional, operational and compositional state of the evaluated stand.
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Temperature and humidity regime and energy balance characteristics of the stands with different management.
ŠACHL, Jiří
The aim of proposed thesis is identification and assessment of the impact of various types of vegetation cover on microclimate and local climate. The thesis study an issue of vegetation cover impact on the solar energy transformation, energy fluxes and an impact of vegetation cover on water cycle, mostly at the landscape level. Temperature-humidity characteristics and energy fluxes and their indicators (Bowen ratio, evaporative fraction) were monitored during the growing season in common types of vegetation cover occurring in agricultural landscapes (red clover - Trifolium pratense L., common wheat - Triticum aestivum L., potatoes - Solanum tuberosum L. and permanent grassland (TTP)) and wetland with predominantly tall sedge vegetation (e.g. Carex acuta L., Glyceria maxima (Hartman). Holmberg.). Results show a direct correlation between solar radiation and the amount of energy converted into latent heat of evaporation or sensible heat flux expressed through evapotranspiration. The results of analyses confirmed the theoretical assumption that the vegetation cover significantly influences microclimate, e.i. air temperature and humidity both of itself and surrounding area. The temperature-humidity characteristics were significantly different in the monitored stands. From this findings is obvious that the different types of vegetation can affect local microclimate differently. Moreover, the results showed that the vegetation well stocked with water probably significantly affects the water cycle in the landscape.
Vliv parametrů porostu na práci sklízecí mlátičky
Novotný, Vojtěch
The thesis Effect parameters stand on the work of the combine, deals with the relationship between grain yield per hectare and loss of grain per hectare. Measurements were carried out on axial harvester. When measurements were compared to the value of losses at different yields and different setting combine. The job losses were measured on grain crops of spring barley, winter wheat and oilseed rape. Changing the setting was focused on the speed of the rotor, the gap baskets, fan speed and the gap of the upper and lower sieves. These setting values are compared with the original factory settings. They were compared to losses of grain and fuel consumption at each setting with the same yield.
Využití chladnokrevných koní na majetku KINSKÝ Žďár, a.s.
Fendrich, Stanislav
The bachelor thesis is focused on the use of heavy horses while working in the Woods on the property of Kinský Žďár. In this thesis is given the technology used by the method of skidding operation of the work done by horses of this property. In this work are also recorded by the natural conditions that prevail in the region. Furthermore, the work deals with the greatest care here used technology to the wood, in which the skidding operation is to be exercised. The work also deals with the issue of care for the horses, the different breeds that are used for the transport of firewood in the forest in General and breeds directly working for the assets of Kinský Zdar, a.s.
Posouzení vhodnosti použití harvestorové technologie lesní těžby na lesním majetku Orlík nad Vltavou, s.r.o.
Bambuškar, Petr
Objectives of this project is to consider usage of harvester technology at terms which are at forestry estate of Orlík nad Vltavou, s.r.o.. This project is about harvester technologies at large for example assortation of HT, technical specifications, limits in terrain and usability in practice. Theory will be after that confronted with practical experiences because we compare natural conditions which are at LHC with conditions which we need for deployment and using harvesting technologies. Using criteria for deployment of HT at underbrush is agency of conifers and wooden reserve in particular age stages and management set of stand where these conifers are. After that we compare costs for HT and for classic technology of logging. Prices are only orientation.
Výskyt listových a klasových patogenů obilnin ve vztahu k mikroklimatu porostu
Gešvindrová, Kristýna
The thesis if focused on monitoring and evaluation of microclimate and stand processes that take place in it. There have been measurements of temperature and humidity and monitored for the appearance of significant leaf and ear pathogens in crops of wheat and barley. The measured values were compared with values measured on standard climatological station for creating a regression model. They were created graphs of linear regression, which were used to determine the reliability of the crop depending on the climatological station. There were also created graphs showing changes in the differential temperature and humidity in stand and standard climatological station. The presence of harmful pathogens was compared with the measured data, and it was established that a certain course of the weather (in particular temperature and humidity) has an effect on the occurrence of the pathogen.
Vertex and Pixel Shaders for 3D Visualization of grass
Dokoupil, Martin ; Chudý, Peter (referee) ; Kršek, Přemysl (advisor)
This thesis describes the way to create three-dimensional visualization of grass in computer graphic. Contains progress of grass visualization from past to present. Contains shader intro and its use for visualization. Text mention scene graph which has been used for implementation. Text describes three levels of detail and implemetation of waving grass. Text compares frame speed for each level of grass and frame speed for complete visualized grass.
Rekreační aktivity pylových alergiků ve zvoleném území
Stoklásková, Pavla
The content of the bachelor thesis is to determine through a questionnaire which outdoors recreational activities are pursued by people suffering with pollen allergies, and whether (or how) the allergy sufferers are limited in these activities. For this purpose, Třinec, a town lying at the foot of the Beskydy Mountains in an area with high air pollution, was selected. This thesis also deals with the evaluation of real potentials and real effects of the current state of the socio-recreational and health-hygienic function of forests in places most frequently visited by Třinec residents, i.e. Forest park Třinec and Javorový. The methodology by Vyskot, et al. (2003) is used for the evaluation.
Microclimate and energy balance characteristics of the stands with different management
ERBEN, Jiří
The present thesis deals with the microclimate and energy balance indicators of 2 habitats with different types of vegetation (wetland, pasture) during the growing season. Mainly moisture and temperature regime and energy fluxes were monitored in the period of 1.4. to 30.9., 2014. All values were dependent on the type of vegetation, and the type and location of the environment. Microclimate analysis was performed on two locations - in a pasture in the basin of Mlýnský stream and wetland habitat in the basin of Horský stream. Both sites are located on the right bank of the Lipno lake. All the necessary meteorological characteristics were measured using automatic weather stations. Indicators of temperatures and humidity of soil and air, received, and the total amount of reflected sunlight and heat balance characteristics - albedo, Bowen ratio, evaporative fraction and heat flows were evaluated. The biggest differences were monitored at heights, in which was measured. In terms of relative humidity, values most varied at canopy level, where the differences were noticeable. The highest mean relative humidity was measured at height of 0.2 m and 2 m on the wetland. As relative humidity even air temperature is dependent on the height at which it was measured. While the height of 2 m, the values at both sites was almost identical, at the canopy level are differences significant. The average temperature values depend on the season, but the largest amplitude of the temperature reached the sites in June. The surface temperature of the soil at the wetland was almost unchanged, contrary to pasture its course was similar to air temperatures series at the canopy level. The soil temperature at 20 cm was almost the same at both sites. In terms of energy fluxes, it was found that the highest latent heat flux of evaporation was in wetland. Sensible heat flux was higher in the pasture. The flux of heat into the ground is bigger during the morning and evening hours on the wetland, however ground heat flux was higher in the pasture during the day.

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