000203434 001__ 203434
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000203434 1001_ $$0P:(DE-HGF)0$$aShaaban, M.$$b0$$eCorresponding author
000203434 245__ $$aDissolved Organic Carbon and Nitrogen Mineralization Strongly Affect CO2 Emissions Following Lime Application to Acidic Soil
000203434 260__ $$aKarachi$$bInst.$$c2015
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000203434 520__ $$aEmission of greenhouse gases from agricultural soils has main contribution to the climatic change and global warming. Dynamics of dissolved organic carbon (DOC) and nitrogen mineralization can affect CO<sub>2</sub> emission from soils. Influence of DOC and nitrogen mineralization on CO<sub>2</sub> emissions following lime application to acidic soil was investigated in current study. Laboratory experiment was conducted under aerobic conditions with 25% moisture contents (66% water-filled pore space) at 25°C in the dark conditions. Different treatments of lime were applied to acidic soil as follows: CK (control), L (low rate of lime: 0.2g lime / 100 g soil) and H (high rate of lime: 0.5g lime / 100g soil). CO<sub>2</sub> emissions were measured by gas chromatography and dissolved organic carbon, NH<sub>4</sub><sup>+</sup>-N, NO<sub>3</sub><sup>-</sup>-N and soil pH were measured during incubation study. Addition of lime to acidic soil significantly increased the concentration of DOC and N mineralization rate. Higher concentrations of DOC and N mineralization, consequently, increased the CO<sub>2</sub> emissions from lime treated soils. Cumulative CO<sub>2</sub> emission was 75% and 71% higher from L and H treatments as compared to CK. The results of current study suggest that DOC and N mineralization are critical in controlling gaseous emissions of CO<sub>2</sub> from acidic soils following lime application
000203434 536__ $$0G:(DE-HGF)POF3-255$$a255 - Terrestrial Systems: From Observation to Prediction (POF3-255)$$cPOF3-255$$fPOF III$$x0
000203434 7001_ $$0P:(DE-HGF)0$$aPeng, Q.$$b1
000203434 7001_ $$0P:(DE-HGF)0$$aHu, R.$$b2
000203434 7001_ $$0P:(DE-HGF)0$$aLin, S.$$b3
000203434 7001_ $$0P:(DE-HGF)0$$aWu, Y.$$b4
000203434 7001_ $$0P:(DE-HGF)0$$aUllah, B.$$b5
000203434 7001_ $$0P:(DE-HGF)0$$aZhao, J.$$b6
000203434 7001_ $$0P:(DE-Juel1)156153$$aLiu, Shurong$$b7
000203434 7001_ $$0P:(DE-HGF)0$$aLi, Y.$$b8
000203434 773__ $$0PERI:(DE-600)782712-x$$n5$$p875-879$$tJournal of the Chemical Society of Pakistan$$v36$$x0253-5106$$y2015
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000203434 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)156153$$aForschungszentrum Jülich GmbH$$b7$$kFZJ
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000203434 9141_ $$y2015
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