... pollution to human bodies and environment, it can not only conserve cost and labors, but also reduce ... . According to , the straw to be used can reached 7 hundred million ton, such as rice straw ... , broomcorn straw, corn straw, soybean straw, fruit shell, peanut shell, coco shell, sugar cane, flax ... of straw will be fired, that not only wasting the resources, but also polluting the environment ...