SOIL QUALITY INFORMATION ACQUISITION SYSTEM AND WORK MACHINE PROVIDED WITH SAME

Provided are a soil quality information acquisition system that enables acquisition of soil quality information at an appropriate time on a worksite, and a working machine including the system. The soil quality information acquisition system (100) includes a body position detection part (33), an acquisition time determination part (503), a soil quality information acquisition part (502), and a storage part (506). The body position detection part (33) acquires position information about a hydraulic excavator (1) on the worksite. The acquisition time determination part (503) determines an acquisition time on the basis of soil quality relevant information being information related a change in a quality on the worksite. The soil quality information acquisition part (502) receives an acquisition signal output from the acquisition time determination part (503), and acquires the soil quality information in response to the acquisition signal. The storage part (506) stores the position information and the soil quality information in association with each other.