| Budget Amount *help |
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
Play with the clayey soil that can be put in infancy has a big meaning in the development of the human nature. The soil environment that promoted the play of the clayey soil was located to "Nendoba" and the present study was considered.The following points were clarified as study results. "Clayey soil" used for "Nendoba" is the cheap one exhausted as an unnecessary material by the river plant company. The clayey soil is a material profitable in the following three points. It is "Sense play", "Forming play" that makes the best use of plasticity, and it is "Imitation play" that uses the forming thing. It was a result that exceeded the expectation at first. The clayey soil can be crushed easily and can be recycled easily in dryness. The component of the clayey soil is the one included the clay element 4-14%, the silt element 20-30%, and the fine sand element 30-50%.
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