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1410 - Three Row Weeder Development in Sri Lanka

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Presentation at the Workshop on Crop Production Equipment for the System of Rice Intensification (SRI)
Presenters: Chaminda Fernando and G. A. S. Ginigidarra, Sri Lanka
Title: Experience in building inter-row weeders for small-scale farmers
Date: November 1, 2014
Venue: ACISAI, Asian Institute of Technology, Thailand

Published in: Technology
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1410 - Three Row Weeder Development in Sri Lanka

  1. 1. Three Row Weeder Development Sri Lankan experience Collaborative research by Oxfam and Rajarata University of Sri Lanka
  2. 2. Learning / experience on Weed management • Changing the soil structure during land preparation through different soil fertility enhancement practices • Managing the weeds around the field/ bunds and controlling weeds types and weeds propagation • Controling weeds through a weeder
  3. 3. The purpose of the weeder -Weed controlling -Aeration -Soil structure improvement
  4. 4. 6 types of modified weeders
  5. 5. Japan Rotary weeder Drum width ; 14 cm Required Spacing between the rows; 13.5cm Boat length; 17 cm Weight; 5.500 kg
  6. 6. Single row Cono weeder -Drum width ; 11 cm -Required Spacing between the rows; 14.5 cm -Boat length; 28 cm -Weight; 4.100 kg
  7. 7. Single row cono weeder Drum width ; 19 cm Required Spacing between the rows; 22 cm Boat length; 26 cm Weight; 5.300 kg
  8. 8. Two Row Cono weeder -Drum width ; 13 cm -Required Spacing between the rows; 18 cm -Boat length; 17 cm -Weight; 6.300 kg
  9. 9. Three row four drums cono weeder Drum width ; 14 cm Required Spacing between the rows; 13 cm Boat length; 28 cm Weight; 7.700 kg
  10. 10. Three rows three drums cono weeder Drum width ; 14 cm Required Spacing between the rows; 21 cm Boat length; 13 cm Weight; 10.100 kg
  11. 11. Practical field comparison of different weeders at an average paddy field in Sri Lanka • Video
  12. 12. Thank you very much

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