PROBLEM TO BE SOLVED: To provide a soil disinfecting machine controlling the increase of field soil resistance even when the intervals between chemical injection claws are narrowed in the width direction of the machine.SOLUTION: In the soil disinfecting machine 1 equipped in the left and right direction of the machine with a plurality of first chemical injection claws 120, and a plurality of second chemical injection claws 130, which cut grooves in the field and inject chemical liquid for disinfection, the first chemical injection claws 120, and the second chemical injection claws 130, adjoining each other are placed at a predetermined interval in the front and back direction of the machine.COPYRIGHT: (C)2010,JPO&INPIT【課題】薬液注入爪の幅方向間隔を狭めた場合であっても、圃場の土から受ける抵抗の増加を抑制することができる土壌消毒機を提供する。【解決手段】圃場に溝を切って消毒用の薬液を注入する第一薬液注入爪120・120・・・及び第二薬液注入爪130・130・・・を機体左右方向に複数具備する土壌消毒機1であって、隣り合う第一薬液注入爪120・120・・・及び第二薬液注入爪130・130・・・は、機体前後方向において所定距離離れて配置した。【選択図】図1