| 摘要 |
PROBLEM TO BE SOLVED: To simply and accurately carry out an edge arrangement of seedling. SOLUTION: In this operation apparatus controller for a paddy field implement in which a paddy field operation apparatus liftably is connected to the rear of a self-propelled machine, a lifting and lowering for lifting and lowering the paddy field operation apparatus is installed, an automatic lift control means A1 which is linked to a steering of a set angle or larger from a direct advance state and raises the lifting and lowering means is arranged and a timer T for setting a time from the automatically rising point of the paddy field operation apparatus or a set time after a lapse of a fixed time to a time when the paddy field operation apparatus is operated.
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