一、塘口清整及消毒黑鱼套养花白鲢塘口面积以６～８亩为宜，面积过小，水质易变坏，在夏季高温季节易诱发疾病，面积过大，生产投入高，管理也不方便。鱼塘水深２米左右，不留或少留塘底淤泥，要清除鱼塘四周杂草，夯实加固鱼塘池埂，防止渗水、漏水。在鱼种放养前２０天用生? First, Tongkou cleaning and disinfection of black fish Ophioglocus aura area of ​​6 to 8 acres is appropriate, the area is too small, water quality is bad, easy to induce disease in the hot summer season, the area is too large, high production and management Not convenient. Fish ponds about 2 meters deep, leaving no or less pond bottom of the mud, weeds should be cleared around the ponds, tamping and strengthening pond ponds to prevent water seepage, leaking. 20 days before the stocking stocking students?