木材锯屑的新用途美国密苏里大学的一位园艺栽培学家，正在研究利用木材锯屑的新方法，以解决密苏里州不断增高的锯屑山堆问题。在过去３０年内，该州锯屑量每年约增加３０万ｔ，其中大约只有１０ｔ用作动物垫草、木炭和燃料，其余都堆积起来。有些锯屑堆占地４－５ｈｍ￣... New Use of Wood Sawdust A gardening scientist at the University of Missouri, USA, is studying new ways of using wood sawdust to tackle the growing problem of sawdust piles in Missouri. In the past 30 years, the state sawdust saw an increase of about 300,000 t per year, of which only about 10 tons were used as animal bedding, charcoal and fuel, with the rest piling up. Some sawdust pile covers 4-5hm ~ ...