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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Hodnocení půdní organické hmoty ve vzorcích půd s odlišným managementem porostu
 KOBLIC, Štěpán
The quality and quantity of soil organic matter and total organic carbon content are essential factors that significantly influence soil properties. This work focuses on evaluating soil organic matter in soil samples with different vegetation management. Concepts that are important for understanding the given topic are described in the literature review. The practical part deals with the application of mycoparasitic and entomopathogenic fungi and lactic acid bacteria to seeds and leaves (variants O1-O9) and the regular collection of soil samples on experimental plots in Zvíkov near České Budějovice. The collected samples were analyzed in the laboratory and statistically evaluated in terms of the phase of soil sampling (before sowing, during vegetation and at harvest) and management variants. The results showed that the treatment of common pea and white lupine with entomopathogenic fungi and lactic acid bacteria in ecologically managed farms affected the carbon management index, the carbon lability index, the carbon enrichment ratio, the rate of oxidation of labile organic matter and consequently, the organic matter reserves in the soil.
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Kvalita a množství organické hmoty v půdách energetických rostlin
 KOBLIC, Štěpán
The quality and quantity of organic matter are among the essential factors that significantly affect important soil properties. This work is focused on the research of the quality and quantity of organic matter in soils under energy crops - Szarvasi-I. and Dactylis glomerata. The literature search describes concepts that are important for understanding the topic. The practical part deals with regular soil sampling on experimental plots of JČU, and their subsequent treatment. The samples taken were analyzed in the laboratory according to the methodology of Kopecký et al. (2006), which is focused on determining the rate constant of oxidation of primary soil organic matter. Furthermore, the results were statistically evaluated in terms of the month of sampling, fertilization management and grass species. The results show that in terms of the month of soil sampling was the best primary soil organic matter in October 2019. According to the fertilizer management was the best in the variant "Control" and in terms of monitoring the grass species under Szarvasi-I. In terms of interaction of all monitored factors that the best influence on the quality of primary soil organic matter has unfertilized stands of Szarvasi-I
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