节粮型养鱼四法一、化肥养鱼：化肥属于速效肥料，养鱼常用的有尿素、碳酸氢铵、氨水、过磷酸钙、钙镁磷肥、复合肥等。施用时应掌握：“量少次多、看天施肥”的原则，选择晴天上午将化肥溶解在水中后，全池泼洒，切勿将化肥沉积于池底。一般２～３天或５～６天施一次，每... Four kinds of grain-based fish farming method First, the chemical fertilizers fish: Fertilizer is a quick-acting fertilizer, fish commonly used urea, ammonium bicarbonate, ammonia, superphosphate, calcium magnesium phosphate fertilizer and compound fertilizer. Application should be: “less quantity and more, see the days of fertilization,” the principle of sunny morning will choose to dissolve fertilizer in the water, Quanchiposaun, not fertilizer deposition in the bottom. Generally 2 to 3 days or 5 to 6 days to apply once, each ...