稻田养鱼近年来发展很快.实践证明:稻田养鱼建立了良好的生态体系,大有可为.但现有稻田养鱼技术,尚未能有效解决稻田养鱼的饵料,且多利用单季稻田,生长期短.如用两季稻田养鱼,早稻收割后,要把鱼移到别处,还要重做鱼沟,鱼溜,花工较大,在季节紧的地区,难于做到.此外,所用鱼种多为草鱼、鲤鱼,由于一季生长期短,多数只能做为大花鱼种,作为食用商品鱼价值较小.因此, The practice of fish culture in paddy field has established a good ecological system, but there is a great potential for it.However, the existing fish farming techniques in rice fields have not been able to effectively solve the problem of feeding fish in the paddy fields, If the use of two quarters of rice paddies, early rice harvest, the fish should be moved elsewhere, but also to re-fish ditch, fish slip, flower larger, tight areas in the season, it is difficult to do. In addition, the use of Most species of grass carp, carp, due to a short period of growth in the season, most can only be used as a large flower species, as the value of small fish food.Therefore,