夏天,由于稻田水体较浅,水温过高,水质易污染,稍有疏忽就会出现鱼类的大批死亡。为确保稻田养鱼安全度夏,必须抓好以下五项措施: 一、经常疏通鱼沟、鱼溜:夏季,由于鱼类的摄食量增大,残饵、排泄物过多,加上鱼类的活动旺盛,鱼沟、鱼溜极易被堵塞,使沟、溜内的水位降低。为此,应每3～4天进行疏通一次,确保鱼沟宽40厘米、深30厘米,鱼溜深60～80厘米,并做到沟沟相通、沟溜相通。 二、保持稻田养鱼水位:如水位过浅,易引起水温发生突变,可导致鱼类大批死亡。因此,稻田养鱼的水 In summer, due to the shallow water in paddy field, the water temperature is too high and the water quality is easy to pollute, a large number of fish will die in a few negligence. In order to ensure the safety of rice fish farming in summer, we must grasp the following five measures: First, often clear the fish ditch, fish slip: In summer, due to increased food intake of fish, bait, excessive excrement, coupled with fish Strong activity, fish ditch, fish slip easily blocked, so that ditch, slip within the water level lower. To this end, should be dredged once every 3 to 4 days to ensure that the fish ditch width 40 cm, depth 30 cm, fish slipping 60 to 80 cm, and to do the same ditch, Ditch slippery. Second, to maintain the water level of paddy fields: If the water level is too shallow, it can easily cause sudden changes in water temperature, which can result in a large number of fish deaths. Therefore, rice water fish