各物质碳氮比

各物质碳氮比原料碳素（%）氮素（%）C/N 菜籽饼45.24.69.8大豆茎41.0 1.30 32稻草42.30.7258.7豆饼45.46.716.76豆秸49.82.4420.4豆制品废水0.8