Effect of nitrogen fertilization types on the soil microbial biomass and greenhouse gases emission
PBN-AR
Instytucja
Wydział Kształtowania Środowiska i Rolnictwa (Zachodniopomorski Uniwersytet Technologiczny w Szczecinie)
Informacje podstawowe
Główny język publikacji
angielski
Czasopismo
Agriculture and Forestry
ISSN
0554-5579
EISSN
Wydawca
University of Montenegro
DOI
URL
Rok publikacji
2016
Numer zeszytu
4
Strony od-do
57-64
Numer tomu
62
Liczba arkuszy
Słowa kluczowe
angielski
Grassland
microbial biomass
carbon dioxide
methane
Open access
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Creative Commons — Uznanie autorstwa
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Streszczenia
Język
angielski
Treść
Global climate models shows patterns of temperature and precipitation changes worldwide. Soil moisture and type of fertilization are key determinants of the microbial processes that determine the fluxes of gases from soil. There are not many research activities including the assessment how land conversion to the grassland can influence the greenhouse effect. The aim of this study was to determine the biomass content of microorganisms in soil and CO2 and CH4 emissions in conditions of diversified nitrogen fertilization and soil moisture in the cultivation of pot grass mixtures. The results of the study were treated by two-factor analysis of variance. The linear correlation between analysed gases and between microbial biomass and CO2 or CH4 emissions was performed. The volume of soil microbial biomass in the cultivation of grass mixtures was affected by the type of nitrogen fertilization and the level of soil moisture. Approximately 1.5 times bigger microbial biomass was found after fertilization than under control conditions. The same relationship occurred in the comparison between the microbial biomass during wet and dry conditions. Only the volume of CO2 emission in this pot experiment was affected by the type of nitrogen fertilization. Higher emission of CO2 was accompanied by increased emission of CH4. In humid conditions, both mineral and organic fertilization affected positively on soil microbial biomass and the volume of CO2 emission. From the viewpoint of reducing greenhouse gases emission, inorganic fertilizers used in dry conditions during the land conversion to the grassland, would be the best grassland cultivation method.
Inne
System-identifier
PANEL-1003980
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