The second is to drain the fish pond water in the first half of summer, exposing the bottom of the pond for stocking fish or people. And apply a proper amount of mushroom fertilizer, which is 50- 100 kg more per mu than the old fish pond.
3. Before stocking fish, when the water depth of the pond is 3.5cm, thoroughly disinfect and clean the bottom wall of the pond, and use quicklime12.5kg per mu. It is better to stock 2-year-old fish in Xintang. From June to June, 65438+ 10, the phosphate fertilizer is applied at regular intervals every month.