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本文运用灰色系统理论，进行了环境因子对草菇生长发育的影响的灰色关联评判．结果表明：以A_2B_2C_2D_1E_1，A_4B_1C_2D_2E_1两个处理组合为最佳处理组合，草菇栽培适宜条件为废棉，pH值8.0～8.5,CO_2浓度＜0.2%等．
In this paper, gray system theory was used to evaluate the effect of environmental factors on the growth and development of mushroom. The results showed that the optimum treatment combinations were A_2B_2C_2D_1E_1 and A_4B_1C_2D_2E_1. The optimum conditions for straw mushroom cultivation were waste cotton, pH value 8.0-8.5, CO 2 concentration <0.2% and so on.