怎样用鲜草和化肥混合饲养鱼苗利用鲜草和化肥混合饲养鱼苗，可使速效肥料和迟效饲料的作用互相配合，既可解决部分有机肥供应不足的困难，又能保持池水一定肥度，使鱼池有比较充足的天然饵料，供鱼摄食。其饲养方法是．一．在鱼苗入池前５—１０天，鱼池注水６Ｏ厘米左右... How to use fresh grass and fertilizer to feed the fry The use of fresh grass and fertilizer to feed the fry, quick-acting fertilizers and delayed the role of feed can complement each other, can solve some of the problems of inadequate supply of organic fertilizer, but also to maintain a certain degree of fertilizer water, Fish ponds have more adequate natural food for feeding fish. The feeding method is. one. 5-10 days before the fry into the pool, fish pond water 6O cm or so ...