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The subject of this thesis was through a field experiment to compare the economics of different options silage maize. Comparisons were ways to stand establishment and variants of fertilization, the nitrogen dose was always the same. It analyzed the influence of fertilizer with the addition of sulfur on maize cultivation. When comparing the establishment of vegetation were evaluated influences on selected production characteristics of silage maize. It was evaluated price per sown hectare, more expensive option, seeding side dress treatment under the heel was implemented through agricultural services and cheaper alternative was seeding fertilizer under the heel of machines owned by the company. Fertilization formed the basis of all variants urea applied before seeding at 250 kg per hectare. In cases when fertilizer was applied directly to seed, it was also used urea. The rest to a total dose of 200 kg nitrogen per hectare was in both versions foundation used more fertilizers, which was urea, manure and aqueous solution of ammonium sulphate with urea (SAM). Even if fertilization effects were evaluated at selected production characteristics depending on the price.

Main purpose of this thesis is to concentrate information about actual assortment medicinal, aromatic and root plants (MARP) in Botanicus Company. From the entire assortment of medicinal plants were chosen these: Calendula officinalis, Lavandula angustifolia, Matricaria recutita, Melissa officinalis, Mentha x piperita, Rosmarinus officinalis, Salvia officinalis, Symphytum officinale. Health, term of reaping and yeild is being monitored due to ensure superior resources for production of natural cosmetics. Also there are silvicultural practices, term of reaping and way of processing in the ecological farming´s conditions. Also overall amount of flavinoids and overall antioxidant capacity. Final results are processed in charts and graphs.

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The theoretical part of diploma thesis briefly focuses on botanical characteristics of cannabis, legislation of cannabis cultivation in Czech republic, agrotechnics and harvest of hemp. The cultivation technologies used in production and harvest of cannabis for pharmaceutical purposes are described in more details. In the practical part was established an experiment with cannabis plants. This experiment was carried in laboratory at department of plant biology at Mendel university in Brno. The experiment was carried out in two variants of light spectrum (white LED lights emitting complete visible spectrum and combination of blue and red LED in ratio 1:1), which were dividen into three groups with different trim method. In plants were observed parameters of quantum yield of electron transport of photosystem II, chlorophyll fluorescence, yield of dried flowers and selected secondary metabolites. In each of lighting and trim variants have been recorded various results. As results shown, white LED lights emitting a full visible spectrum appear to be more effective than the blue and red spectrum in ratio of 1:1. Effect of trimming in this experiment was not statistically conclusive.

The first part of the Master’s thesis describes the history and the present of milk thistle growing in the Czech Republic. Furthermore, the paper describes the biological characteristics, the varieties, phytochemistry and the use of this crop. The thesis in detail deals with the cultivation technology requirements. The classification of milk thistle in sowing procedure, tillage, nutrition, treatment during the vegetation period, harvest and post-harvest treatment of this crop are described. The second part of the thesis describes the course of weather and the growing procedure for this crop in the company Netis, a.s. Dry matter, purity, TKW, bulk density, germinability, oiliness and representation of individual components of the silymarin complex were determined in milk thistle achene samples. The experimental data found during the “first” cultivation at Netis, a.s. were evaluated in terms of the economy of cultivation. The economy of cultivation was compared with that of the traditional grower Agrospol, a.d. Knínice. The economy of milk thistle cultivation at Netis, a.s. was compared with that of other crops grown there.

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