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Analysis of on farm maize production systems and suggestions for improvement
ŠIMKOVÁ, Libuše
Maize is currently one of the most important feed crops. If we want to grow it effi-ciently, we should spend enough time selecting a suitable plot, seed and sowing date. When selecting the sowing date, it is important to achieve a temperature of 8 °C at sowing depth. The maize is sown at a depth of 3-4 cm and can be sown in conventional rows (75 cm), narrow rows (35 cm) or twin rows. Maize is a slow-growing crop, so it is important to pay attention to mechanical or chemical weed control. When harvesting maize for silage, the whole plant can be harvested or the split harvesting technique of CCM and LKS can be used. The hybrids WELAS, PERSEUS and AKANTO were evaluated. WELAS is a double line (Sc), early hyb-rid (FAO 240) and PERSEUS is a triple line (Tc), early hybrid (FAO 250). The PERSEUS hybrid was able to give a higher yield than WELAS in the plots evalu-ated. The hybrid used, agrotechnique and soil moisture availability had the greatest effect on yield.
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Porovnáni výkonnosti a spotřeby pohonných hmot u secích strojů
HOLEČEK, Tomáš
This bachelor thesis deals with the seed drills, especially by comparing their different constructions in the specific conditions of the farm in the Czech Republic. In the introduction, there is a general overview of the properties of the soil, followed by various processing methods of the soil from which the methods of founding plants are derived. Then, I briefly summarized the most widely used seed drills in the Czech Republic, their components, advantages and disadvantages. The step which follows is the evaluation of the measured fuel consumption of two different seed drills in a particular farm. I will evaluate the costs of purchase and operation of seeding machines for the observed technology. At the end I will answer the hypothesis of the objectives of this work and bring out conclusions for practice.
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Hodnocení strojů pro pásové zpracování půdy
HEŘMÁNEK, Aleš
The Bachelor thesis deals with strip tillage technology. It describes possibilities of its use and technological options, which are available at present. Furthermore, not only advatages of the strip tillage technology towards the environment and soil are described in this theses, but also certain limitations and pitfalls, which may appear while using such technology. The first part of the thesis is focused on history of soil proccessing starting with the very first agricultural tools. Use of the first mechanization operations with soil while using the first plows, are captured in this thesis, followed by a description and distribution of minimization technologies, including strip tillage technology. The information are complemented by a description of agriculture machinery. The practical part deals with metodology and results of measuring related to performance of a selected seeder, the Mzuri PRO-TIL 4T. One of the evaluating criteria was setting up the depth of soil processing, the number of lumps as well as the amount of plant remains in the particular strips of the area, the number of grown plants, placing seeds into the desired depth and efficiency of the specific set. The thesis is complemented by specifications of the agriculture company HZT Technik-servis, a.s., as well as by a simple analysis of investment and operating costs.
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Stroje pro sklizeň píce: příprava výukových materiálů
ZUKAL, Martin
This bacalar thesis provides an overview of forage harvesting machines. The thesis is divided into chapters according to individual types of machines and provides a view of their agrotechnical requirements, partition, description of basic carried out operations and description of their basic work. The bacalar thesis should serve as supplementary teaching text for students of the Department of Agricultural, transport and handling Technology of the Faculty of agriculture of South Bohemian University. Information and parameters are found in the technical literature on agricultural machinery, promotional materials and websites of manufacturers and vendors of this technique.
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Seeding machines: preparation of learning material
KOLÁŘ, Michal
This bachelor work is focused on the Seeders and their issues. The aim of this thesis is the preparation of educational texts for students of agricultural technology. In the first part it is shown the historical development of the seeding machinery, agro-technical requirements to them and also a description of the basic parts, which are the seeders consist. The next part of the thesis is devoted to the most important manufacturers of seeding machines, which are available on the Czech market. At the conclusion šěof the work of these machines compared. The criterion for the comparison is the working width of 6 metres
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The germination of plants genus \kur{Tillandsia} on different substrates
KELÍŠKOVÁ, Radka
Seeds of six plant species of the genus Tillandsia (T.tricholepis, T. schiedeana, T. mauryan, T. sphaerocephala, T. streptocarpa and T. fasciculata) was planted on six different surfaces (acacia bark, coir, peat, polystyrene, nylon stocking and jute). In the first part of the experiment were recorded number of germinated seeds on individual surfaces. In the second part of the experiment had been observed growth or dying of germinated small plants for seven months. Statistical evaluation of the results showed that the most suitable surfaces for seeding and initial growth of Tillandsia are jute, nylon stocking and polystyrene.
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