今年,本人受某饲料场之托进行技术指导,在山东潍坊、东营、泰安等地一些淡水养殖比较集中的区域调查发现:许多养鱼的池塘多年未进行清淤,池底淤泥少则半米,多的在一米以上,致使在养殖过程中水质易恶化,病害频发,制约了养殖的发展。据调查,这一现象在其他地方也普遍存在,清淤已 This year, I was entrusted by a certain feed yard to provide technical guidance. In areas with a concentration of freshwater aquaculture in Weifang, Dongying, and Tai’an in Shandong Province, I found that many ponds for fish culture have not been dredged for many years and silt in the bottom of the pond has been as low as half a meter , More than one meter, resulting in the process of aquaculture water quality deterioration, frequent disease, restricted the development of breeding. According to the survey, this phenomenon is also widespread in other places, dredging has been