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在刚刚闭幕的第二届全国农业高新技术成果交易产品交流会,由东北大学与天津东丽区农林局合作开发的凤梨、仙人掌等数十种花鱼共养新型水培花卉,由于科技含量高、观赏性强、节水等优点,倍受人们关注,成为本次交流会的一个亮点。水培花卉由于受水中含氧量的限制,可栽培的品种较少,很多花卉在水中生长出现烂根和生长不良现象。花鱼共养氧气消耗大,培育难度
In the just-concluded second session of the National Agricultural Hi-tech Achievements Exchanges, a dozen kinds of flowers, such as pineapple and cactus, jointly developed by Northeastern University and Dongli District Agriculture and Forestry Bureau of Tianjin, raised a total of new types of hydroponic flowers. Due to their high technology content, Ornamental, water-saving advantages, much attention, as a highlight of this exchange. Hydroponics flowers due to the oxygen content of the water restrictions, can be cultivated varieties less, many flowers grow in the water rotten roots and poor growth phenomenon. Fish culture oxygen consumption, cultivation difficulty