| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Outline of Final Research Achievements |
I found that the following by "The research on the accumulated nitrogen load from agricultural nitrogen fertilizer." ①: The amount of the accumulated nitrogen from agriculture and livestock is a significant impact on the nitrogen concentration in the rivers. ②: From Kasumigaura basin water balance calculation results, the largest were factors in water quality of Lake Kasumigaura was an artificial water level control. ③: It was measured for the accumulated nitrogen of upland subsoil by agriculture and livestock origin. ④: In the upland subsoil, it was shown that nitrogen is not removed from the denitrification activity. ⑤ To purify the leaching nitrogen downstream on the wetlands from upland fields, it is becoming apparent that the surface soil condition is an important function. ⑥: For the accumulated nitrogen as mitigation measures of leaching, the management of dilapidated bamboo forests, was clarified that there is an effect to increase dilution water.
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