The biodegradable wood adhesives manufactured from natural resourcesincluding lignin based, tannin based and soybean protein based adhesives will increase.
利用天然资源制造的可降解胶粘剂用量提高，如木素胶、单宁胶、豆蛋白胶等；
2
The economic resource value is: fire - wood, timber, raw material for papermaking, tannin extraction, food, medicine, green manure, bee breeding, aquatic products industry and tourism.