To perform ground attitude control of a planting system work device without depending on a leveling float.SOLUTION: A planting system implement includes a traveling machine body C, a planting system work device W supported by the traveling machine body C, for performing at least either of a planting work and a sowing work, ground attitude control means for controlling a ground attitude of the planting system work device W, and azimuth detection means for detecting azimuth of the traveling machine body C, in which the ground attitude control means performs lift control for controlling a ground height of the planting system work device W based on output from the azimuth detection means.SELECTED DRAWING: Figure 8【課題】整地フロートによらず、植播系作業装置の対地姿勢制御を行う。【解決手段】走行機体Ｃと、走行機体Ｃに支持され、植付け作業及び播種作業のうちの少なくとも何れかを行う植播系作業装置Ｗと、植播系作業装置Ｗの対地姿勢制御を行う対地姿勢制御手段と、走行機体Ｃの方位を検出する方位検出手段と、を備え、対地姿勢制御手段が、方位検出手段の出力に基づいて、植播系作業装置Ｗの対地高さを制御する昇降制御を行う。【選択図】図８
