问:水泥池或者是坑塘养殖黄鳝,下面不放泥土,也就是无土养殖可不可以? 答:当然可以,用水泥池或坑塘养鳝不放泥土一般要采取措施:一是水位要提高,在50cm以上,最好是80cm;溢水口也要设在50cm以上,最好是80cm;若要过冬,水位要更高些,堵住溢水孔放满池水。因此,水泥池或是坑塘在修建时,要建成1m以上,最好是 Q: The ponds or pit pond culture eel, the following do not put earth, that is, soilless farming is not it? A: Of course, can be used with cement ponds or Pit pond eels do not put mud generally take measures: First, water levels should be increased , More than 50cm, preferably 80cm; overflow outlet should also be set at 50cm or more, preferably 80cm; to winter, the water level should be higher, plug the overflow hole filled with water. Therefore, the construction of concrete ponds or pit ponds to be built more than 1m, it is best