桑枝冬剪后，加工成桑枝粉可用来袋栽黑木耳，是开发桑枝，提高桑枝的经济效益，使农民增收致富的一条新途径。现将利用桑枝粉袋栽黑木耳技术介绍如下：一、原料配方干桑枝粉８２％，米糠（或麦麸）１６％，石膏１％，白糖、尿素各０．３％，石灰和磷酸二氢钾各０．２％，含水 After mulberry branches are cut in winter, the mulberry branches can be used for bagging black fungus. It is a new way to develop mulberry branches, increase the economic benefits of mulberry branches and increase the income of farmers. The use of mulberry branch bag black fungus technology described below: First, the raw recipe dry mulberry powder 82%, rice bran (or wheat bran) 16%, gypsum 1%, 0.3% of sugar, urea, lime and phosphoric acid Dihydrogen potassium each 0.2%, containing water