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本文采用常规方法对金针菇和平菇下床料及栽培料棉子壳的营养成分进行了测定，结果表明下床料的粗纤维含量大幅度下降，而蛋白质的含量有所提高，灰分和磷的含量也有所上升，值得开发利用。
In this paper, the conventional method of measuring the nutritional content of the material under the mushroom and mushroom planting material and cotton seedling shell were measured, the results show that the material under the bed of crude fiber content decreased significantly, while the protein content has increased, ash and phosphorus content The rise, it is worth development and utilization.