一、蚯蚓的开发价值２０世纪７０年代以来,蚯蚓作为一种特殊的生物资源,引起了广泛的注意。许多国家,以及我国台湾等地,相继开展了人工养殖蚯蚓的研究。目前已发展到工厂化养殖和商品化生产,养殖蚯蚓成了前景广阔的新兴养殖事业。国际市场上,每年蚯蚓的交易额在２０～３０... First, the development value of earthworms Since the 1970s, earthworms as a special kind of biological resources, has aroused widespread attention. Many countries, as well as China’s Taiwan and other places, have carried out the study of artificial culture of earthworms. Has now developed into factory farming and commercial production, breeding earthworms has become a promising new breeding industry. On the international market, the annual turnover of earthworms in 20 ~ 30 ...