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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Vápnění lesních půd ve smrkových monokulturách ve vztahu k minerálním formám dusíku
 Končel, Karel
The liming of forest soils and its implications for the forest ecosystem can be observed from many points of view. However, the assessment of liming effects may vary considerably. To evaluate the effect of liming on the mineral forms of nitrate and the activity of soil enzymes, proteases and ureases, the experimentally limed area was used. The liming was performed using finely milled lime dolomite in doses of 2, 3, 4, 6 and 26 t·ha-1. Mixed soil samples from the humification horizon H and the organomineral horizon Ah were taken from each variant. This mixed samples were further modified and subjected to laboratory analyses. The effect of liming on ammonium and nitrate nitrogen content and protease activity was found. In the case of NH4+, NO3-, soil proteases and ureases activity, differences were observed in relation to the change in the application dose of dolomitic limestone.
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Charakteristika humusových forem na vybraných lokalitách ŠLP Křtiny, ML
 Končel, Karel
Forest floor as one of the basic differences between agricultural and forest soils is very valuable component of forests soils which is necessary to protect. For that we need enough theoretical knowledge of forest floor classification its basic characteristic. We worked in three gaps, where 693 points were marked out. We determined a humus form at each of this point and took a soil sample out of organo-mineral layer. The samples were analysed in the lab after that. Based on the analysis, I found relation between humus form and pH. The most favourable quality of pH had a humus form mull, lower quality of pH had moder and the worst quality of pH had mor. We can make the same conclusion for a C:N ratio.
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