PROBLEM TO BE SOLVED: To provide a farm field work vehicle that appropriately recognizes arrival at a furrow side region at which a turnaround of a traveling machine body is to be performed and performs a proper turnaround.SOLUTION: A farm field work vehicle comprises: a traveling machine body that travels in a farm field while performing turnarounds at furrow side regions； a farm field work device for performing work on the farm field； a position measurement unit for outputting position measurement data representing a position of the work vehicle； an automatic steering section for automatically steering the traveling machine body； and a furrow side detection module that on the basis of the position of the work vehicle or a position of the farm field work device, detects at least either the traveling machine body accessing or arriving at a furrow side region. The furrow side regions are set on the basis of the traveling machine body's behavior.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】走行機体の方向転換が行われる畦際領域に到達したことを適切に認識し、適正な方向転換走行が行われる圃場作業車両の提供。【解決手段】畦際領域で方向転換しながら圃場内を走行する走行機体と、圃場に対して作業を行う圃場作業装置と、自車位置を示す測位データを出力する測位ユニットと、走行機体を自動操舵する自動操舵部と、自車位置又は、圃場作業装置の位置に基づいて、走行機体が畦際領域に近接したこと及び到達したことの少なくともいずれかを検知する畦際検知モジュールと、を備え、走行機体の挙動に基づいて、畔際領域が設定される。【選択図】図１
