论文部分内容阅读
1、防饥饿成鱼在生长旺季,摄食量大,应精粗结合,多投饵投料。以草、鲫、罗非鱼等为主的鱼塘,要投糠糟、麸皮、饼粕、豆渣等混合饲料及嫩草、植物茎叶等新鲜饲料。一般情况下,日投粗料占池鱼总量的10%。2、防缺肥生长旺季的鱼类需肥占全期应施肥的80%,因此每隔5—7天,亩施充分发酵的人畜粪60—100千克,施氮、磷化肥2—3千克。3、防水温过高鱼在适宜温度为23—29℃,在高温季节,为防水温过高,必须及时灌新水,1米左右水层的鱼塘,每天加灌十分之一的新水。
1, anti-hunger Adult fish in the growing season, the amount of food intake should be fine and coarse, more feeding feed. To grass, crucian carp, tilapia and other fish ponds to cast chaos, bran, meal, bean dregs and other mixed feed and tender grass, plant stems and leaves and other fresh feed. Under normal circumstances, Japan voted crude accounted for 10% of the total pool fish. 2, anti-short-fat growth season of fish need fertilizer accounted for 80% of the entire period should be fertilized, so every 5-7 days, Mushi fully fermented human and animal manure 60-100 kg, nitrogen and phosphorus fertilizer 2-3 kg . 3, the water temperature is too high Fish at a suitable temperature of 23-29 ℃, in the hot season, the water temperature is too high, must be timely irrigation of fresh water, about 1 m of fish ponds, plus 1 / water.