Using the substrate in which the proportion of maize straw and cattle dung was 1:1, and cultivating Agaricus bisporus. the mycelia grew fastest, and biological efficiency was more higher.

• 玉米秸秆和牛粪以1:1的比例栽培双孢蘑菇，菌丝生长速度最快，生物学效率较高。