PROBLEM TO BE SOLVED: To allow a worker to swiftly perform the work from preparation for fertilization to the subsequent work after fertilization without staining hands or clothes, etc. by facilitating quick collection and storage of remaining fertilizers within a fertilization device.SOLUTION: An insertion part inserted into an opening of a fertilizer bag and a fitting part for covering the opening of the fertilizer bag are configured in a discharge part of a drain mechanism in the fertilizing device, and the opening of the fertilizer bag is held by the insertion part and the fitting part to connect the drain mechanism to the opening of the fertilizer bag. The insertion part is longer than the fitting part. A conduit of the drain mechanism is configured to change the attitude to a storage attitude in which the drain mechanism is pivoted at a machine body or to a discharge attitude in which the discharge port is hung to be grounded. A fertilizer tank body is connected to a fertilizer slot by a telescopic feed pipe.
