The Oz robot toolbox
The five-teeth harrow
The teeth are attached to the tool carrier with the help of a long flange-like fixation (image 1). The trident element works between the wheels, whereas the separate teeth work the wheel track (image 2 and 3).
To weed in between crop rows, the teeth need to be placed at as large a distance as possible in order to avoid earth clumps and stones from getting trapped between them (image 2). On light but compact soil, it’s possible to combine the five-teeth harrow with weeding brushes or spiked harrows. In that case, all the teeth need to be placed at the front of the tool carrier (image 3) and the brush or spiked harrows at the back (image 4).
Image 1 : Long flange-like fixation to attach the five-teeth harrow to the Oz robot’s tool carrier.
Image 2 : The trident is mounted at the front and the separate teeth at the back of the tool carrier.
Image 3 : All three elements are mounted at the front of the tool carrier.
Image 4 : Combination with the weeding brush behind the five-teeth harrow.
When to use the five-teeth harrow
On compact soil. The teeth penetrate the soil adequately to loosen the soil crust.
On dry and drained soil.
On clay soil that’s drying in order to brake clumps.
Agr’Oz tips and tricks
During planting, the soil is often compacted by workers and agricultural equipment. We advise to use the five-teeth harrow first, after planting, in order to loosen the soil and after a rainy episode on beaten tracks.
The five-teeth harrow is not designed to remove all weeds. It’s better to alternate between the five-teeth harrow and the hoe shares in order to correctly maintain the space between crop rows.