【摘要】 以江湾和对虾混养预防虾病。试验和生产实践表明，江蒿和对虾混养能明显地改善虾池水质，防止对虾细菌性病害，除江南有一定产量外，可使对虾产量比单养增加60％以上。并论述了中国江蓠人工栽培的种类、生长条件和主要生产方式。更多还原

【Abstract】 Gracilaria and prawn (Penaeus penicillatus) were polycultured in ponds to prevent prawn diseases. The experiment and productive proctice about the polyculture showed that the polyculture of Gracilaria and prawn could improve water-quality to some extent .and prevented the bacteria diseases of prawn. So,not only the prawn yield of polyculture pond compared with that of uniculture pond increased by more than 60%,but also a certain output of Gracilaria could be abtained. And the species, growth conditons and main cultivation methods of Gracilaria for artificial cultivation and main cultivation methods were expounded as well.更多还原