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Mapování heterogenity půdních podmínek v precizním zemědělství
Oudová, Barbora
Precision agriculture is an agronomic approach that aims to optimize inputs into agricultural production to achieve balanced, qualitatively and quantitatively the best possible yields, while minimizing the financial costs and maintain or improve the environment. The basic premise of this approach is the knowledge of soil conditions of land used for agricultural production. This information can be found in agronomic records, soil maps or results of agrochemical testing. Indirect methods of soil heterogeneity mapping based on the principle of sensor measurements and remote sensing are also available. Indirect methods for determining the physical-chemical properties of soil are generally user-friendly, cheaper, faster, and have a higher density of measurement points than the sampling of soils. Comparison of direct and indirect methods showed that indirect methods provide a detailed picture of soil variability. However, interpretation of results is affected by many other factors, which are based in the principle of soil het-erogeneity itself.
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Vyhodnocení heterogenity výnosu plodin a ověření senzorového systému pro variabilní aplikaci hnojiv
Mezera, Jiří
In the theoretical part of this thesis there is summarized basic knowledge about precision agriculture, soil condition monitoring, mapping yield and state of vegetation. The practical part deals with evaluation of yield heterogeneity, creating yield maps, and verification of Isaria online sensor system for variable application of nitrogen fertilizers. The methodology of the work was based on the collection of data from the Isaria sensor system and the yield data from combine harvesters on the land of Zdounky center of SALIX MORAVA a.s. during 2016. The available documents were processed using tools in geographic information systems and then statistically compared to each other, including the underlying maps of the yield potential and satellite data of remote sensing. The significance of dependencies of the above mentioned factors was evaluated by correlation analysis and linear regression. The results show that the varying degrees of dependence were found between variables.
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Využití bezpilotního průzkumu v precizním zemědělství
Horniaček, Igor
Thesis deals with the use of unmanned imaging in precision agriculture. Explains what a precision farming is, describes remote sensing, a history of drones, the causes of soil variability, evaluation of the condition of crops, how we can monitor and process the matter in understandable form of output for a farmer. The own work explores the concrete evaluation of the results from the semi-operational field trials and evaluates the use of unmanned land monitoring systems.
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Vyhodnocení variabilní aplikace hnojiv senzorovým systémem Isaria
Škrabal, Jakub
This diploma thesis concerns the evaluation of a four-year sensor testing of the Fritzmeier ISARIA system. In a literature review is described nitrogen variable fertili-sation, the diagnostics of nutritious plant condition. The sensor system ISARIA is also described including vegetative index and individual modes settings. In a practical part is described four years testing of the Fritzmeier ISARIA system in a company Salix Morava a. s. in Zdounky region. In results there are listed parameters like yield, the quantity of applicated nitrogen, the effectivity of nitrogen application the quality of production and revenues. The results shows significant economic and environmental effects resulting from variable nitrogen application. The results are also statistically evaluated for enabling to be a part of a conclusion. It can be seen form the results, that a significant, impact for an economic contribution of a variable nitrogen application is affected by a field, year, cultivar, but also by settings of a sensor system.
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Vyhodnotenie efektívnosti bezpilotného prieskumu pre hodnotenie stavu porastov poľnohospodárskych plodín
Horniaček, Igor
The diploma thesis deals with the use of unmanned monitoring in conditions of precise agriculture. The literature review provides information on the distribution of drones from a technical point of view, information on precision farming, geographic information systems and plant monitoring, and on the use of unmanned aerial vehicles in the Slovak Republic and the Czech Republic. The own work is focused on the statistical processing and evaluation of data usable for work in the ArcMap program and the economic evaluation of the efficiency of the use of unmanned aerial surveillance in the conditions of precision farming.
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Hodnocení nevyrovnanosti pozemků na vybraném zemědělském podniku pro zavádění postupů precizního zemědělství
Pospěch, Lukáš
The thesis was divided into literary research and practical part. In the literature research was described remote sensing, satellite systems, agrochemical testing of agricultural soils, plant nutrition. In the practical part the analysis of farm soil was performed as well as the soil reaction, phosphorus content and potassium content. The potential production zones were calculated. Advantages and weaknesses in the creation of production zones from sa-tellite data were described on a specific hunt. Furthermore, a comparison of variable uni-form fertilization on specific beds were carried out and also through out the farm area. Map of yield potential from Landsat and Sentinel satellite data over the last eight years has been developed. A map of the production zones in percent and five zones was created. Variable and uniform fertilization of potassium was compared. With the application of potassium salt of 60%, more fertilizer was delivered in variable fertilization than in the uniform variant.
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Využití GPS ve strojních linkách v rostlinné výrobě
Novotná, Martina
The aim of this bachelor thesis, with the title The Use of GPS in Crop Production Lines, is to describe the technology required for the use of GPS in agriculture. The theoretical part of the thesis focuses on a brief overview of the individual sectors of precision farming, and a basic outline of GNSS and its parts. The second part consist of my own research, in which I used a questionnaire to find out the following: to what extent is precision farming and the use of GPS widespread in the Czech Republic, and whether farmers are in favour of the use of technologies in precision farming.
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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.
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Prostorová analýza heterogenity pozemků z družicových dat
Rychlý, Martin
The literature review of the thesis deals with issues related to precision agriculture and remote sensing. The practical part evaluates the correlation of selected vegetation indices and absolute yields of individual crops on selected fields. Subsequently, it is evaluated how the NDVI correlation values and yields between individual fields differ. The last point was mentioned the evaluation of spatial variability of NDVI values and yields within the selected period, crops and land. The method was divided into several steps. The first step was to create a geodatabase of satellite images from the Sentinel 2A platform and yield data for 2017. The calculation of the vegetation indices followed by the creation of a point layer representing the values of the vegetation indices and the yield. The last step was focused on statistical evaluation and creation of map data. The results show that data indicate a high correlation rate at the end of May and during June. NDVI correlation value and yield are different for individual fields. Due to the used satellite data, spatial yield variability can be determined for individual agricultural crops and land.
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Využití bezpilotního průzkumu pro hodnocení porostů v precizním zemědělství
Petr, Zdeněk
The bachelor thesis „Utilization of remote sensing in evaluating of crop fields in precision agriculture“ contains brief description of spectral reflectance electromagnetical raditation principal usage, status of field crops diagnosis with usage of vegatation indices and with option of remote sensing, which is used for information collection in precision agriculture. Major part of thesis is dedicated to unmanned aerial vehicles operations, their legislation, usage of agriculture for planning of crop interventions and support for decision-making in agrotechnological operations. The model study at end describes possible rentability of remote sensing by unmanned aerial vehicles in private company.
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