桑枝是蚕桑生产副产物,1/15hm~2桑田每年可产桑枝1t左右,我国目前约有桑田100万hm~2,可见桑枝资源数量之巨大。但目前桑枝大部分都作为废弃物丢荒浪费或仅作柴火,这是一笔巨大的可开发资源。灵芝是一种著名的药用菌,目前多用原木栽培,对保护森林资源极为不利。用桑枝代替森林原木栽培灵芝,不仅具有 Mulberry is a by-product of sericulture production, 1 / 15hm ~ 2 mulberry mulberry production every year about 1t, mulberry fields now about 1000000 hm ~ 2, mulberry branches can be seen a huge amount of resources. However, at present, most of mulberry branches are discarded as waste or only used as firewood, which is a huge resource that can be exploited. Ganoderma lucidum is a well-known medicinal mushrooms, the current use of timber cultivation, forest resources to protect extremely adverse. Replacing forest logs with mulberry Ganoderma lucidum, not only has