一秋季投放鱼种的好处是；生活水域扩大、环境改善，可安全越冬，不易死亡。②生长期比春季投放可延长2－3个月，产量提高2－3成。③秋季正值鱼类生长旺盛期，体质健壮，投放中不易擦伤患病，能迅速适应环境，进人生长期。二、鱼种秋放前的准备工作：①修整鱼池和清塘消毒c’没 The benefits of a drop of fish in the fall are: expanding living waters, improving the environment, safe wintering, and less likely to die. ② growth period than the spring delivery can be extended 2-3 months, yield increased by 2-3 percent. ③ autumn is positive when the fish grow vigorously, strong physique, put in easy to scratch the disease, can quickly adapt to the environment, into the growing season. Second, the species before autumn fall preparation: ① trimming fish ponds and clear pond disinfection c ’no