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001     203434
005     20210129220358.0
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037 _ _ |a FZJ-2015-05370
082 _ _ |a 540
100 1 _ |a Shaaban, M.
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245 _ _ |a Dissolved Organic Carbon and Nitrogen Mineralization Strongly Affect CO2 Emissions Following Lime Application to Acidic Soil
260 _ _ |a Karachi
|c 2015
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336 7 _ |a Journal Article
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520 _ _ |a Emission of greenhouse gases from agricultural soils has main contribution to the climatic change and global warming. Dynamics of dissolved organic carbon (DOC) and nitrogen mineralization can affect CO2 emission from soils. Influence of DOC and nitrogen mineralization on CO2 emissions following lime application to acidic soil was investigated in current study. Laboratory experiment was conducted under aerobic conditions with 25% moisture contents (66% water-filled pore space) at 25°C in the dark conditions. Different treatments of lime were applied to acidic soil as follows: CK (control), L (low rate of lime: 0.2g lime / 100 g soil) and H (high rate of lime: 0.5g lime / 100g soil). CO2 emissions were measured by gas chromatography and dissolved organic carbon, NH4+-N, NO3--N and soil pH were measured during incubation study. Addition of lime to acidic soil significantly increased the concentration of DOC and N mineralization rate. Higher concentrations of DOC and N mineralization, consequently, increased the CO2 emissions from lime treated soils. Cumulative CO2 emission was 75% and 71% higher from L and H treatments as compared to CK. The results of current study suggest that DOC and N mineralization are critical in controlling gaseous emissions of CO2 from acidic soils following lime application
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700 1 _ |a Peng, Q.
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700 1 _ |a Hu, R.
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700 1 _ |a Lin, S.
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700 1 _ |a Wu, Y.
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700 1 _ |a Ullah, B.
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700 1 _ |a Zhao, J.
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700 1 _ |a Liu, Shurong
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700 1 _ |a Li, Y.
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773 _ _ |0 PERI:(DE-600)782712-x
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|p 875-879
|t Journal of the Chemical Society of Pakistan
|v 36
|y 2015
|x 0253-5106
909 C O |o oai:juser.fz-juelich.de:203434
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910 1 _ |a Forschungszentrum Jülich GmbH
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914 1 _ |y 2015
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