初夏预报雨期来临,且时间较长,应抓好以下五个关键环节。一、及时对池鱼进行一次灭虫防病过程,避免天气烦闷,且雨日时断时续,引起的长时间病浮症状。二、在雨期即将来临之前,泼洒肥源。对于无机肥类,经过化水泼洒,可加速肥料的合成分解,促进吸收和转化。如实行干洒,时间过久,由 Early warning period is coming, and a long time, should pay close attention to the following five key areas. First, the fish in a timely manner to a pest control disease prevention process, to avoid weather boredom, and the rain from time to time intermittent, caused by prolonged sickness symptoms. Second, before the rainy season, spill fertilizer. For inorganic fertilizer, after splashed water, can accelerate the synthesis of decomposition of fertilizer to promote absorption and transformation. If practiced dry sprinkle, time is too long, from