The Swiss Federal Railways (SBB) developed a hot water spray technology, which was tested over three years (2019-2021). The effectiveness of the treatment was superior to 80%. In terms of efficiency, hot water treatment represents a good alternative to glyphosate treatment, however this study does not take into account the economic and energy aspects, nor the feasibility of setting up the hot water treatment system on a railway network.
Gfeller A., Tschuy F., Wirth J.
Hot water treatment: an alternative solution for vegetation control on railway tracks.
In: 19th European Weed Research Society Symposium. 20. - 23. Juni, Ed. European Weed Research Society, EWRS Athens. 2022.
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