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1 池塘的环境条件要求(1)池塘面积适中,一般0.133hm2(2亩)以上,0.33～1.33hm2(5～20亩)为宜。(2)水深应为1.5～2.5m稳定水位,不漏水。(3)池塘位置应有良好的通风和光照条件。(4)配备注排水设施,最好有微流水入池。(5)水色应呈浮游生物造成的油绿色、黄绿色或者茶褐色,透明度大于30cm。(6)池底平坦,无污物、淤泥。(7)水源充足无污染(可及时加注新水调解水质)。
1 pond environmental conditions (1) pond area is moderate, generally 0.133hm2 (2 acres) above, 0.33 ~ 1.33hm2 (5 ~ 20 acres) is appropriate. (2) The water depth should be 1.5 ~ 2.5m stable water level, watertight. (3) Pond location should have good ventilation and light conditions. (4) equipped with note drainage facilities, the best micro-water into the pool. (5) aqua should be plankton caused by oil-green, yellow-green or brown, transparency greater than 30cm. (6) Flat bottom, no dirt, silt. (7) Adequate pollution-free water (timely replenishment of fresh water to mediate water quality).