在渔业生产中,有少数养鱼户短期内承包水面,靠大量施用化肥来提高滤食性鱼类的单产,其增产和经济效果是显著的。然而,还应看到水域长期单纯使用化肥养鱼,是 In the fishery production, a small number of fish farmers contracted water in a short term, and the large-scale application of chemical fertilizers to increase yields of filter-feeders resulted in notable increases in production and economic results. However, it should also be noted that long-term use of chemical fertilizers for long-term fish farming is