The method based on microliter sample dilution was applied to monitoring of ammonium nitrogen in fermentation solutions. 把微升进样在线稀释技术同气体扩散光度法结合，测定了农药发酵液中氨态氮的含量。
The research results indicated that the automatic Kjeldahl apparatus method was an accurate and reliable method for determination of ammoniacal nitrogen in silage. 研究结果证明，自动凯氏定氮仪法是一种准确可靠的青贮饲料中氨态氮检测方法。
