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1.清塘。在春季天气转暖以后,在放鱼前10~15天将池水排干,暴晒3~4天,然后每667平方米水面用80~130千克生石灰对水全池均匀泼洒,以达
Clear pond In the spring after the warmer weather, 10 to 15 days before the fish will drain the water, exposure 3 to 4 days, and then every 667 square meters of water with 80 to 130 kg of lime on the water pool evenly spilled up to