PROBLEM TO BE SOLVED: To provide a field crop harvester which can harvest field crops cultured with a mulch film and simultaneously remove the mulch film. SOLUTION: The first film guide 28 comprising a horizontal roller 29 for peeling a mulch film F laid on a harvest target ridge and vertical rollers 31, 32 for delivering the mulch film received from the horizontal roller to the left or right side of the frame, and the second film guide 37 comprising a vertical roller 35 for delivering the mulch film received from the first mulch film guide to the rear portion of the frame and a horizontal roller 36 for delivering the mulch film received from the vertical roller are disposed above the front portion of a digging conveyer 6. Or, the third film guide obtained by omitting either of the vertical rollers 31, 35 of the first film guide and the second film guide second guide is combined with the fourth film guide fixed to one side of the frame in response to the third film guide.
