罗城仫佬族自治县龙岸乡龙凤村洲角屯欧正光户自己有一块三亩田面就在村边,每次下大雨后,村里大半的污水全部流下田,因此该田土质肥沃,水利条件较好,易于排灌,年年禾苗长势都好。可是由于太近村边,年年到谷子成熟时鼠害很严重,每年那块田被鼠害损失达200—300公斤。今年来他想了个防鼠办法,在田的四周开挖一条围沟,沟宽1米,深80厘米,沟挖好后即灌满水,当时他忽然想起稻田养鱼 Luocheng Mulao Autonomous County of Longfeng Township Longfeng Village Chau Kok Tuen Ouguangou own a three-acre field in the village edge, each time after the heavy rain, the village most of the sewage flow field, so the field fertile soil, water conditions Better, easy irrigation, annual seedlings are good. However, due to being too close to the village, the rodents are very serious every year until the millet matures. Each year, the paddy fields lose about 200-300 kilograms of rodents. This year he thought of a rodent control method. He dug a ditch around the field with a width of 1 meter and a depth of 80 centimeters. When the ditch was dug, it was filled with water. At that time, he suddenly remembered the fish in the paddy field