| 摘要 |
The invention relates to a dispensing device applicable to spreading natural or chemical liquid fertilizers. According to the invention, the device comprises a pipe (1), an intermediate pipe (5) and a lower pipe (6) screwed together, a dispensing box (11) being secured on the intermediate pipe (5) by means of an admission pipe (12) and an exhaust pipe (13), a spring (7) being located at the upper end of the lower pipe (6), said spring actuating a piston (8) provided with a rod (9) guided by a disk (14) wherein some holes (a) are cut.
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