| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2010: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Research Abstract |
Using an experimental system that can control optionally the amount of carbon and nitrogen supplied in rice panicle, we investigated their effects on grain weight. If the ear was supplied to the high concentration of nitrogen, the grain weight decreased because of inhibition of glucose metabolism by accumulated ammonia nitrogen in the grain. Grain weight was greater with the amount of carbon supply, if the ear was supplied to the same carbon content, the grain weight was increased by solar radiation. We guessed that the increased grain with solar radiation was directly activated the glucose metabolism and contribution of photosynthesis of rice husk.
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