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闻名古今中外的珍珠是河蚌的杰作。但是并非蚌都能育珠,一般以三角帆蚌,皱纹冠蚌等育珠为常见,且天然成珠少。加之河蚌育珍珠属一次性资源利用,消耗甚大。据试验,一斤淡水珍珠,就需要育珠蚌400个左右,以益阳县1982年珍珠产量计算,就消耗育珠河蚌20万个左右,加上捞捕,运输等环节中的损耗,其数量就更大。于是河蚌的收购价格成倍增长,每百斤价由1980年的5-8元猛升到1983年的40-50元。这样,河蚌资
Pearl known at home and abroad is a masterpiece of mussel. But not mussels can be educated beads, generally Hyriopsis cumingii, Plicata crepe and other common beads, and natural beads less. In addition, the river mussels pearl is a one-time resource utilization, consumption is very large. According to the test, a pound of freshwater pearl, you need about 400 pearl mussel, Yiyang County, pearl production in 1982, the consumption of pearl mussels about 200000, together with fishing, transportation and other links in the loss, its The number is even greater. As a result, the purchase price of mussel doubled, rising from 5-8 yuan in 1980 to 40-50 yuan per kilogram in 1983. In this way, mussels capital