| 摘要 |
An agricultural implement for controlling weeds, insects and other harmful organisms in the soil along plant rows and in the furrows between plant rows which includes a plurality of burner units which are mounted to a tool bar. Each burner unit includes a carriage having a housing mounted thereon in which is positioned a first burner for directing flame and heat to the area of the furrows. In a preferred embodiment, second and third burner units are mounted on the carriages which are directed outwardly from the sides of the carriages toward adjacent crop rows. Heat from the burner units is trapped beneath the carriages and exhausted rearwardly thereof.
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