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Steam weeder
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Steam weeder

Steam weeder

Steam weeder JJ-Itype photo:Steam weeder

  • Physical treatment using steam heat works quickly.
  • You can exterminate weed seeds which are difficult to treat by herbicide or weed cutter.
  • As there is no residual effect, you can use it repeatedly.
  • You can treat the place where it is difficult to work with a weed cutter.
  • Compact design to be mounted on a light truck.
  • Self-propelled type is now available! Wider area can be treated.

Standard attachments

Heat-resistant special steam hose Handle Hood

Promotion video for self-propelled type steam weeder

Using on paved area


Using on fallow field

Effect of steam weeding

Case example of field horsetails(Date of weeding:June 10, 2009)

course1 【Before weeding】Field horsetails before steam weeding course2 【Weeding】Weeded for 5 to 90 seconds
course3 【Just after weeding】They are steamed, shriveled and cooked. course4 【1 day later】Clear effect is observed even in the area steamed for only five seconds. Horsetails are withered.
course5 【10 days later】Effect is still maintained even in the area steamed for five seconds. course6 【2 weeks later】Field horsetails started to recover in the areas steamed for less than 20 seconds. However the effect is maintained in the area steamed for more than 40 seconds.

*Observation still continues.

Case example of crabgrass(Date of weeding:June 2, 2009)

course1 【weeding】Treated using the hood for low weeds course2 【1 day later】Right-side of the photo: treated the day before
course3 【1 week later】Treatment area after 1 week course4 【3 weeks later】Treatment area after 3 weeks

*Observation still continues.

The articles were published on The Japan Agricultural News

The articles were published on The Japan Agricultural News (June 25, 2009) and The Chunichi Shimbun (July 9, 2009).

Click each newspaper article to see the extended image (PDF file).

June 25, 2009 The Japan Agricultural News July 9, 2009 The Chunichi Shimbun

Our challenge for weeding

We jointly developed a steam weeder for turf in golf course with Chiba prefecture in 1991.

Herbicide used in golf course became a serious environmental problem in Chiba at that time. Therefore, self-propelled type steam weeder was developed as an alternative measure.


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