| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Research Abstract |
In the composting process, powerful greenhouse gas, N2O, is produced. In order to clarify the N2O emission mechanism and to estimation of N2O discharge, N2O emission and nitrifying-denitrifying gene abundance were investigated during composting process. N2O discharge was depended on the nitrate nitrogen and nitrite nitrogen in composting material, showing a high correlation between nitrate nitrogen or nitrite and N2O discharge during composting process. Clone library analysis showed that denitrifiers were responsible for N2O emission during high temperature (about 60˚C) stage of composting.
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