浅谈化肥养鱼的氮磷比荆门市十里镇龙坪村镇办渔场段国华同志最近来信，谈到他在该场一次“投一袋氮肥一袋磷肥；而其他同志则投一袋半氮肥三袋磷肥”的问题，说明有的人均氮磷比认识不一。我想必须正确认识化肥养鱼的原理。池塘、水库等水域施化肥主要是培肥水质，补充氮... Talking about the nitrogen and phosphorus of chemical fertilizers than the recent letter from Duan Guohua, the fishing village of Longping Village, Shili Town, Shili Town, Jingmen City, where he once “cast a bag of nitrogenous fertilizer and a bag of phosphate fertilizer; other gurus cast a bag of semi-nitrogenous fertilizer three bags Phosphate ”problem, indicating that some people know the ratio of nitrogen and phosphorus uneven. I think we must correctly understand the principle of fertilizer fish. Ponds, reservoirs and other waters of fertilizer is mainly fertilize water quality, add nitrogen ...