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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Porovnání exploatačních parametrů kotoučových a radličkových podmítačů ve vybraném zemědělském podniku
 PROCHÁZKA, Miroslav
The aim of this diploma thesis is to approach the possibilities of processing agricultural land with a suitable type of cultivator. The professional part of the work captures different types of tillage and introduces the types of cultivators. The practical part of the work is devoted to measuring the area performance and fuel consumption in soil preparation with a coulter and disc cultivator in the specific conditions of an agricultural enterprise in the Czech Republic. Evaluates the measurement results and presents conclusions for practice.
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Comparison of the effectivity of shovel cultivator and disc plough and their impact on the epigeic fauna
 HAVLOVÁ, Iva
The diploma thesis is aimed at a comparison of tine and disc cultivators by several parameters which are most affecting the quality of a soil cultivation, and in the effect of the epigeic fauna, represented by ground beetles (Carabidae). Experiment was carried out twice during the season (after a harvest of wheat and rape) while soil was being cultivated with disc cultivator Lemken Rubin or tine cultivator Horsch Tiger. The experiment was carried out on the fields of ZD "Vysočina" Zbýšov and measured parameters were: plant residue decomposition, cultivation depth, diameter of aggregates, weed infestation and crop plant emergence, and abundance of ground beetles. Using the statistic tests, it was found, that almost every parameter describing the quality of the cultivation was influenced by the type of the cultivator. Tine cultivator had a higher decomposition of plant residues. This difference was more obvious when cultivating the field after rape harvest (P < 0.001) than field after wheat harvest (P < 0.01). Tine cultivator was more precise with keeping the cultivation depth as planned. Disc cultivator had a higher crumbling capacity. At the higher speed the machines were more inclining to come out of the ground at higher speeds (P < 0.05). A cultivation had a very negative influence on Carabidae population. On a rape stubble there was a 193 specimens caught in traps before the cultivation with two dominant species - Pseudoophonus rufipes and Pterostichus melanarius. Only 41 specimens was found in the traps after the cultivation.
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