河北迁安市现有条桑面积4000公顷,每年能生产桑条4.5万吨,除了利用一部分造纸、编织农具(筐、篓)外,相当一部分作为烧柴烧掉。从2002年起,引进了利用桑枝生产黑木耳的栽培技术,使桑条的综合利用上了一个新台阶,经济效益大幅上涨,农民收入增加。 Qian’an City, Hebei Province, an area of ​​4,000 hectares of mulberry, mulberry can produce 45,000 tons per year, in addition to the use of part of the papermaking, weaving tools (baskets, baskets), a considerable part of burning as firewood burn. From 2002 onwards, the introduction of the cultivation of mulberry black fungus cultivation techniques used to make mulberry strip comprehensive utilization to a new level, the economic benefits rose sharply, peasants income increased.