Corn straw returning microbial fertilizer combined operation machine

The corn straw returning microbial fertilizer combined operation machine comprises an operation machine body, a belt conveyor, a smashing box, a picking-up rod, a storage box and a stirring box, one end of the belt conveyor extends out of the operation machine body, the smashing box is arranged in the operation machine body, the other end of the belt conveyor extends to the position above the smashing box, and the picking-up rod is arranged in the stirring box. A plurality of picking-up rods are arranged on a belt of the belt conveyor, a storage box is arranged in the operation machine body, bacterial manure is stored in the storage box, a stirring box is arranged between the bottom end of the smashing box and the storage box, the bottom end of the smashing box is communicated with the stirring box through a first conveying pipe, and the storage box is communicated with the stirring box through a second conveying pipe. A discharging pipe is arranged at the bottom end of the stirring box ...