Device for simulating manganese and ammonia oxidation procedures of farmland channel soil, method for applying device and application thereof

The invention discloses a device for simulating manganese and ammonia oxidation procedures of farmland channel soil and a method for applying the device. The device comprises a cylindrical transparentcolumn body, a halogen lamp, a magnetic stirrer, a water storage pool and a computer mainframe. The halogen lamp is arranged on the upper portion of the column body, the magnetic stirrer is arrangedat the bottom of the column body, and the water storage pool is arranged on a side of the column body; a circular transparent sealing cover with a sealing function is arranged above the column body, the bottom of the column body is filled with certain quantities of farmland channel soil and microbial gel carriers, tin foil paper wraps the locations filled with the soil, the column body is arrangedon the magnetic stirrer, microbial flocs can be slightly stirred by the magnetic stirrer, and uniform growth of microorganisms can be promoted. The device and the method have the advantages that thedevice is simple in structur