沼肥即沼渣,是沼气发酵的残留物。沼肥除作优质肥料外,还可以作饲料。现将盐城地区利用沼肥养鱼的技术要点介绍如下。㈠池塘条件水源充足,水质良好,注排水方便,周围环境好,通风向阳,交通便利,面积为5～10亩,水深1.5～2米,进、排水口安装好拦鱼设施,以防鱼类逃逸。㈡鱼种放养一 Biogas residue or biogas residue is the residue of biogas fermentation. In addition to high-quality biogas manure fertilizer, but also for feed. The Yancheng area is now using the technical points of biogas fish are described below. (I) pond conditions adequate water, good water quality, easy injection and drainage, the surrounding environment is good, ventilated, convenient transportation, an area of ​​5 to 10 acres and a depth of 1.5 to 2 meters, into the drainage outlet installed barracuda facilities to prevent fish escape. (Ii stocking one