论文部分内容阅读
一、准备工作 1.池塘的选择:大小不限,以 0.5~ 3亩为宜,深 1.0米以上,底质最好是壤土,保水保肥效果好;水源充足,水质良好无污染,进排水方便;池埂牢固,池塘光照要好,有利于培养饵料生物。 2.清塘:鱼苗下塘前 20天左右排干水,清除过多淤泥,平整池底并曝晒
First, the preparatory work 1. Pond choice: size is not limited to 0.5 to 3 acres is appropriate, more than 1.0 meters deep, the best sediment is loam, water and fertilizer to achieve good effect; adequate water quality, good water pollution, water intake and drainage Convenient; pool 埂 solid, pond lighting is better, conducive to the cultivation of food organisms. 2. Clear ponds: fry next pond about 20 days drained water, remove excess sludge, flat bottom and exposure