Simultanously, true protein content of treatments was higher, also,average quantities of total amino acids were 2. 16 and 2. 21 times over cornstalk before and after ensilaged.

• 同时，添加氮硫以后各处理真蛋白含量较高，氨基酸总量均值是原料中的2．16倍，是对照的2．21倍。