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一、鱼苗培育 鱼苗培育塘面积以2—5亩为宜,初期水深保持在50—60厘米,鱼苗投放前5—7天按每亩250—300公斤施入有机肥。 “水花”放养密度如下:鲢、鳙鱼10—12万尾/亩;草、青鱼8—10万尾/亩;鲤、鲫、鲂鱼15—20万尾/亩。 鱼苗投放后,每亩每天泼洒用2—3公斤黄豆磨成的豆浆,每3—5天追施160—180公斤/亩有机
First, fish fry fowl nursery pond area of 2-5 acres is appropriate, the initial water depth of 50-60 cm, 5-7 days before the fish fry put 250-300 kilograms per mu applied organic fertilizer. “Water flower” stocking density as follows: silver carp, bighead carp 10-12 million / mu; grass, black carp 8-10 million / mu; carp, crucian carp, catfish 15-20 million / mu. Frying put, every acre splashed with 2-3 kilograms of soybeans per day soy milk, topdressing every 160 days 160-180 kg / acre organic