<；P>；PROBLEM TO BE SOLVED: To provide a method for increasing the yield of a plant as an energy resource. <；P>；SOLUTION: The method for increasing the yield of a plant as an energy resource includes growing plants such as kenaf/sugar cane/corn/weeds on compost soil mixed with compost as a resource derived from plants/animals, such as sewage sludge/excrement sludge, controlling/retaining the compost soil at a temperature most suitable for plant growth throughout the year, and providing a greenhouse and controlling/retaining the inside of the greenhouse at a temperature most suitable for plant growth throughout the year. As a result of this, it is possible to activate plant growth throughout the year, and repeatedly collect plants obtained by the method and extract/use the energy resource from the plants. <；P>；COPYRIGHT: (C)2008,JPO&INPIT
