鱼塘用草换鱼技术上海市科技兴农重点攻关项目──大面积鱼塘增青节粮，用草换鱼技术研究，已通过专家验收鉴定。种草养鱼，用草换鱼，以草代精，是解决当前饲料紧缺、价格上涨、提高经济效益的有效途径。上海农学院经过多年研究，培育出产量高、品质好、叶量大、草质鲜嫩... Fish pond grass-for-fish technology Shanghai key projects to promote agriculture by science and technology ─ ─ large areas of fish ponds to increase food, grass for the fish technology research, has passed the acceptance of experts identified. Planting grass and fish, changing grass with fish and grass to grass is an effective way to solve the current shortage of feed, rising prices and increasing economic benefits. Shanghai Agricultural College after years of research, to cultivate a high yield, good quality, large amount of leaves, fresh grass ...