豆秸大豆、豌豆、蚕豆、豇豆等的茎叶都是豆科作物成熟后的副产品，叶子大部已经凋落，即使有一部分叶子也都枯黄了，维生素已经分解，蛋白质减少，茎也多木质化，质地坚硬．但与禾本科秸秆比较，豆科秸秆的粗蛋白质含量和消化率都较高．大豆秸的营养成分（％）：干物质８... Soybeans Soybeans, peas, broad beans, cowpeas and other stems and leaves are leguminous crops after the by-product of ripening, most of the leaves have been littered, even if some leaves are also yellow, vitamins have been decomposed, reduced protein, stems and more lignification , Hard texture. However, compared with straw, legume straw crude protein content and digestibility are high. The nutritional content of soybean straw (%): dry matter 8 ...