PROBLEM TO BE SOLVED: To display the travelling speed value or rotating speed of a rotation shaft which an operator wants to know most during fertilizing work.SOLUTION: The controller sets and records a working environment value including travelling speed of the fertilizer B, amount of fertilization per predetermined area, and physical properties of the fertilizer, and reading out and displays the recorded travelling speed value after setting the working environment value.COPYRIGHT: (C)2010,JPO&INPIT【課題】施肥作業中にオペレータが最も知りたい走行速度値、又は回転軸の回転数値を表示する。【解決手段】肥料散布装置Bの走行速度、所定面積当たりの肥料散布量、肥料の物性を含む作業環境値を設定するとともに、記憶し、該作業環境値の設定後、記憶された走行速度設定値を読み出して表示する。【選択図】図2
