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The chaff is the organic matter which is emitted with production of the Rice.Because the chaff has the hard tegument which contained lignin and silicone much，the resolution is later than the other organic matter.Therefore，it was difficult to use chaff for a compost for the farm-field.We developed the quick zymotechnics to make chaff a compost at the short time.The point of this technology is the development of enzyme liquid and the introduction of the fermentation machine.The C/N ratio of the chaff that a composting was done by this technology is equal to or less than 25 within about 3 weeks.The fermented chaff contains a lot of soluble silicic acids and it is possible for it to improve the taste of the vegetatiles，also，the residual of the food can change to the highly efficient manure with the fermented chaff.Moreover，the cohesion material which added a calcium type agglomerate reagent to the fermentated chaff ahsorbs the cadmium of free and deposit is composed of it.If collecting deposit，the purification of polluted paddy field soil will become possible.