1、早清塘 春季天气转暖后(2月底至3月上旬),用抽水机将塘水抽干,选晴天中午温度较高时、每亩鱼塘用生石灰100公斤或漂白粉25公斤兑水化浆泼浇全塘,以起杀菌防病和调节水质作用。 2、早施肥 清塘后应立即施足基肥,一般每亩施有机肥料800—1000公斤(基肥中总施肥量的1/4—1/3)。早施肥不仅使鱼下塘后就有充足的食物,而 1, Early Qing Tong After the spring gets warmer in the spring (from the end of February to the beginning of March), the ponds are drained by means of a water pump. When the temperature is high at noon on a sunny day, 100 kg of quicklime or 25 kg of bleaching powder is muted per mu of fish ponds Pulp pouring whole pond, in order to play a bactericidal disease prevention and regulation of water quality. 2, early fertilization Qing Tong Shizujinshi immediately after application of organic fertilizer per mu generally 800-1000 kg (base fertilizer in the total amount of 1 / 4-1 / 3). Early fertilization not only makes the fish have enough food after the pond, and