Physical and Cultural Weed Control Working Group of - European ...

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9 th EWRS Workshop on Physical and Cultural Weed Control 88 Samsun, Turkey, 28 – 30 March 2011 maximum speed. Tolerance of weeds is often lower at high speed lines while seldom used tracks in industrial areas can be allowed to have more vegetation. A second step is to assess the railway lines with the N-sensor technology and create weedmaps. In turn, these maps are used by the SRMA to address weeding operations (chemical or mechanical) on the lines and schedule equipment and staff to areas that need maintenance. The N-sensor can also give a measurement of unwanted vegetation along the railway embankment, thus indicating a need of clearing of trees and shrubs. Further R&D must of course be conducted, but we anticipate that an operating system mounted on a maintenance train will be built in 2011-2012. Acknowledgements We are grateful to Swedish Railway Maintenance Authority (today Swedish Transport Administration) and mr Jan-Erik Lundh who has financed this pioneer project. We would also like to thank mr Knud Nissen working at Lantmännen and mr Anders Wohlrat for their help with the Nsensor. Figure 1. The test rig. A N-sensor is mounted on top of a small wagon pulled by a inspection trolley. The software of the sensor includes information on biomass and position.
9 th EWRS Workshop on Physical and Cultural Weed Control 89 Samsun, Turkey, 28 – 30 March 2011 Figure 2. Weed level: ‘Non-existent’ Biomass value 1. An example of a railway line in proper condition. Figure 3. Weed level: ‘Increasing problem’ Biomass value 13. Weeding measures should be initiated during the season..
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Physical and Cultural Weed Control Working Group of - European ...

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