养鱼的池塘四一种植青饲料，是一种投资少。见效快、效果好、报酬高的养鱼好方法。一、鱼池改造。除采用常规的清塘消毒措施外，首要的是把塘底多余的积水通过底为排出地外，沟可挖成“十”或“井”字型，沟深、宽均为40厘米，与围沟相通，围沟深、宽为SO厘米左右，这样塘底积 Fish ponds four kinds of planting green feed, is a less investment. Quick, effective, rewarding fish a good way. First, the pond transformation. In addition to the usual Qingtang disinfection measures, the most important is the excess pond water at the end of the discharge through the end of the trench can be dug into “ten” or “well” shape, ditch depth, width 40 cm, Interlinked with the ditch, ditch deep, wide SO cm or so, so the pond plot