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doc. Ing. Jana Maková, PhD.
Identification number: 1386
University e-mail: jana.makova [at] uniag.sk
 
associate professor CSc./PhD. - Department of Microbiology (FBFS)

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Basic information

Basic information about a final thesis

Type of thesis: Diploma thesis
Thesis title:Influence of tree species introduction in Arboretum Mlyňany on biomass of soil microorganisms
Written by (author): Ing. Veronika Kovácsová
Department: Department of Microbiology (FBFS)
Thesis supervisor: doc. Ing. Jana Maková, PhD.
Opponent:doc. RNDr. Jana Urminská, PhD.
Final thesis progress:Final thesis was successfully defended.


Additional information

Additional information about the final thesis follows. Click on the language link to display the information in the desired language.

Language of final thesis:Slovak

Slovak        English

Title of the thesis:Influence of tree species introduction in Arboretum Mlyňany on biomass of soil microorganisms
Summary:In our diploma thesis we worked on evaluation of the introduction of two wood impact of Tulip tree (Liriodendron tulipifera L.) and Lawson cypress (Chamaecyparis Lawsoniana L.) planted on an area of the North American dendroflora Arboretum Mlyňany SAV on soil microbial biomass (Cmic). This area was up to 1975 used as a vineyard; therefore we used soil under the grapevine as a comparative location. We found out that the impact of the introduction of Lawesson cypress and Tulip tree in humus horizons (0.00 to 0.20 m) occurred a significant increase in the amount of microbial biomass. We set the highest value of Cmic in the humic horizon under the Tulip tree (516.973 ug C.g-1), followed by soil under Lawesson cypress (456.535 ug C.g-1) and land under the grapevine (340.523 ug C.g-1). Differences were confirmed statistically (P <0.0003). The size of the microbial biomass in soils fell with increasing depth under individual woods, but statistically established differences between horizons in the soil profile were confirmed only under vegetation of Tulip tree (P <0.0003). In the second part we assessed the mutual relationship between microbial biomass and selected chemical indicators of soil quality. With linear regression analysis, we found that the microbial biomass showed a very strong positive correlation with the content of organic carbon (grapevine r = 1; Lawson cypress r = 0.93 and Tulip tree r = 0.89) and on the other hand a very strong negative correlation with the ratio CHK:CFK in soil under the grapevine (r = -1) and Tulip tree (r = -0.97). In strong positive correlation was microbial biomass and actual soil reaction (pH/H2O) in soil under Lawesson cypress (r = 0.76) and Tulip tree (r = 0.71) and negative correlation in soil under the grapevine (r = - 1). The positive correlation of microbial biomass to exchangable soil reaction (pH/KCl) was recorded in all observed locations.
Key words:soil, microbial biomass, Liriodendron tulipifera L., Chamaecyparis Lawsoniana L.

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