Simple device for collecting wet deposition sample of farmland system

The utility model relates to a simple device for collecting wet deposition samples of a farmland system, and belongs to the technical field of wet deposition sample collecting devices. The upper collecting pipe is communicated and installed at the upper end of the lower collecting pipe, the collecting funnel is arranged at the top of the upper collecting pipe, the collecting barrel is arranged in the lower collecting pipe, the lower end of the collecting funnel is connected with the collecting barrel through the connecting pipe, and a side door used for taking out the collecting barrel is formed in the side face of the lower collecting pipe. The side door is rotationally installed on the side face of the lower collecting pipe through a hinge, an anti-bird net is arranged at the top of the upper collecting pipe, and vertical metal thorns are arranged on the portion, higher than the upper collecting pipe, of the upper side of the anti-bird net. The rainwater collecting device is simple in structure, the upper c