WEED CONTROL - Research Information Ltd

weed CONTROL . USE OF HERBICIDES ON RAILWAY TRACKS IN SWEDEN. Lennart Torstensson, of the Swedish University of Agricultural Sciences in Uppsala, outlines the methods used to clear weeds along railway tracks in Sweden Introduction Another important reason for removal of weeds from In Sweden, removal of weeds along railway lines has railway tracks is the working environment for track main- been carried out for more than 50 years by application of tenance employees. The risk of accidents caused by stumbling herbicides. The Swedish national railway network consists or slipping on weeds is obvious and may have fatal conse- in total of about 12,000 km, of which 25 30% is treated quences. annually. A specially equipped spray train (Figure 1) is used A further reason for weed removal is the risk of train by trained staff for the purpose. wheels skidding, causing longer acceleration distances and, Theoretically, there are several alternative methods of more seriously, extended braking distances, which could removing weeds from tracks, chemical, mechanical or result in the train being unable to stop at signals.

ment, to BV employees involved in application, or to other employees working along the track. A discussion of some of this research is given below.

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