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1.产地要求无“三废”污染,环境空气质量符合GB3095-1996的规定,土质符合GB15618-1995的规定,水源充足水质符合NY5051-2001的规定池塘面积5000平方米左右,粘土底质为好,粘壤土次之,淤泥厚10厘米左右,水深1.6米,进水、排水方便,水泵等注换水设备齐全,进水口、排水口和池四周设光
1. Producing areas require no “three wastes” pollution, ambient air quality in line with the provisions of GB3095-1996, soil meet the provisions of GB15618-1995, sufficient water quality in line with the provisions of NY5051-2001 pond area of about 5000 square meters, clay sediment is good, Followed by clay loam, silt thickness of about 10 cm, depth of 1.6 meters, water, drainage convenience, water pumps and other equipment to replace the water, water inlet, water outlet and the pool around the light