1. Update on new innovations for intra-row weed control Pieter Bleeker, Hilfred Huiting and Rommie van der Weide EWRS Samsun 29 March 2011

2. Content: new intra row weeders With sensors Sarl Radis (FR) – Pneumatic hoe Sarl Radis (NL) (Applied Plant research) With Camera’s: Poulsen (DK) – Hydraulic hoe Poulsen (DK) – Intra-row burner Carford (GB) -- Hydraulic dic Steketee (NL) – Pneumatic hoe

3. Sarl radis Sarl Radis (France) in lettuce and onions. Light sencors 4 rows One hoe for a row pneunatic 2.5 km / hour

5. (Sarl Radis) Changed. Parallelogram Number of hoes per row Cylinders Air hoses

6. One or two hoes for one row ??

7. Testing on a test unit Film aanpassing

9. Camera’s Poulsen Carford

11. Hydraulic

14. Intra-row burner

16. Burner sugarbeets (slow motion)

18. Change cultivation: onions in clusters Sowing pills or adjusted sowing disc ← 20 cm →

19. Summary Developments are going on ! But it can faster ! Most systems should be more users friendly ! Weed control in sown crops like onions and carrots is still difficult ! But there will be a chalange!

20. The future ???

21. Thank you for your attention © Wageningen UR