| Budget Amount *help |
¥19,890,000 (Direct Cost: ¥15,300,000、Indirect Cost: ¥4,590,000)
Fiscal Year 2013: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2012: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2011: ¥10,530,000 (Direct Cost: ¥8,100,000、Indirect Cost: ¥2,430,000)
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| Research Abstract |
This study explored feasibility of harnessing denitrifying methane-oxidizing bacteria in a forage rice field as a site where aerated liquid livestock waste is supplied as a fertilizer. A PCR primer to detect and quantify these bacteria was designed, elucidating their abundances and locations in various rice paddy soils. A new strategy based on water control and the degree of liquid livestock waste dose allowed noticeable reductions of greenhouse gases, i.e. methane and nitrous oxide, from a forage rice paddy field. Furthermore, a plausible mechanism of abrupt nitrous oxide production from a rice paddy field after water drainage was elucidated.
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