池塘中氨氮、亚硝酸盐的危害及控制措施

Hazards of ammonia,nitrogen and nitrite in Pond and control measures

养殖池塘中氨氮、亚硝酸盐主要来源于饵料、水生动物排泄物、肥料及动物的尸骸分解等,氨氮、亚硝酸等有害物质超标会影响养殖水生动物生长,过高则造成养殖动物中毒死亡,给养殖业者造成重大的经济损失。本文分析了养殖池塘氨氮、亚硝酸盐的产生原因、危害及控制方法加以阐述,希望能对养殖业者有所裨益。

Ammonia, nitrogen, nitrite comes mainly from the food, aquatic animal excrement, fertilizers and ani- mal corpses decompose ,excessive of theseharmful substances will affect the growth of farmed aquatic animals, evenresulting in farmed animals died ;It will cause significant economic losses to the aquaculture industry.This paper analyzes causes of ammonia,nitrogen,nitriteproduced in the aquaculture ponds and control method which hope to benefit farming.