HUN/THN reached the highest content in the three treatment in the 21st and increased 30.9% in the treatment chicken manure, decreased 46.2% and 23.9% in the treatment corn stem and chicken added with corn stem.

• HUN/THN；三处理均在21d达最高值；鸡粪上升了30.；9%25；玉米秸秆和玉米秸秆+鸡粪分别下降了46