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1、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、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化水后全池遍洒,每周一次,每次亩施尿素2～3公斤或碳酸氢铵5～10公斤或过磷酸钙8～10公斤。化肥养鱼对鲢、鳙效果最好。常施化肥的池塘,应防水质酸化,可采用定期泼洒石灰乳加以调节,每月1～2次,使池水pH值控制在7.5～8之间。但施生石灰前后一周勿施磷肥,以
1, fertilizer fish: fertilizer is a quick fertilizer, fish commonly used urea, ammonium bicarbonate, ammonia, superphosphate, such as compound fertilizer. Application should be mastered: “the amount of less frequently, to see the days of fertilization” principle, choose the sunny morning after the chemical fertilizer water all over the pool sprinkle once a week, each mu urea 2 to 3 kg or ammonium bicarbonate 5 ~ 10 kg or superphosphate 8 to 10 kg. Fertilizer fish on silver carp, chinense best. Often fertilize the pond, should be water acidification, can be regularly splashed lime milk to be adjusted 1 to 2 times a month, so that the pH control of the water pool between 7.5 to 8. However, do not apply phosphate fertilizer before and after the lime to