Stalk was an enormous reutilizing resource. When stalk is used as feedingstuff, intake and digestibility of livestock were very low due to poorly nutritious value, which seriously affect animal’s productivity. Although the nutritious value of stalk can be improved after ammoniated, in the north where the climate suddenly drops after October, furthermore autumn is just busy- harvest season for farmers, the traditionary ammoniated technique can’t be applied widely. The objective of this study was to determine...