棉籽皮是棉籽的壳皮，为棉籽榨油后的副产品。
戴尔首先造出一个模子，然后注入棉籽皮——轧棉机工作留下来的一种废料。
Dell first builds a mold, then fills it with cotton husks, a waste product left over from cotton gins.
用途：主要用于粗纤维造粒，如木屑，稻壳，棉杆，棉籽皮，杂草等各种农作物秸秆和工厂的废弃物。
Uses: mainly used for crude fiber granulator, such as sawdust, rice husk, cotton stalks, cottonseed skins, weeds and other crops, straw and plant waste.
产量高而稳定，棉籽皮的生物学效率为40.0～55.5％，稻草和麦秸为25％左右，是适合我国北方地区栽培的草菇优良菌株。
The biological efficiency on cotton hulls is 40.0—55.5% and about 25% on rice straw or wheat straw. GV34 strain is a good one that is optimum for the north area of China.
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