| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
There are two types native pasture in Japan. The one type is easily invaded and the other type is hardly invaded by foreign pasture plants. To know the reason of difference between two types pasture is important for adequate control of useful foreign pasture plants. I already conducted competition experiment between a foreign pasture plant and a native pasture plant by using pot cultivation methods. Against my prediction, a foreign pasture plant failed to a native pasture plant. Therefore, “Why weak foreign pasture plant invaded native pasture?” is my research question. To answer this question, I conducted competition experiment in a field by using some new treatments for controlling disturbances of grazing horses. Vegetation survey during two years treatment showed the positive effect of horse dung for dominance of foreign pasture plants. This result suggested that disturbances of grazing animal is needed for dominance of foreign pasture plants.
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