1. RADIAL COULTER BLADE

2. DIMENSIONS ONDA ASIMETRICA DIAMETER THICKNESS ASYMETRICAL
Inch mm Inch mm WAVES
14”
15”
16”
17”
18”

3. FIELD TEST RADIAL COULTER BLADE
The Turbo or Directa coulters currently used in Argentina have been substituted for the American market by the RADIAL COULTER BLADES, a coulter with a similar performance but a different wave layout.
FIELD TEST RADIAL COULTER BLADE

4. DRILL DETAIL 17 SEEDING UNIT AGROMETAL TX DRILL
COULTER LAYOUT PER UNIT
Wavy Coulter (1): 17” x 4mm RADIAL coulter blade. In Argentina the Turbo and the Directa blades are used instead of the Radial coulter.
Planter disc (2): 15” x 3mm Plain double disc blade.
Lock Wheel (6): 1 x 12” double wheel and 15” x 3mm Notched disc.

5. TESTED FIELD - Area: Monte Maíz- Córdoba - N0-Till Period: 12 years
- Trash: Corn, wheat and soy bean
- N° of hectares: 250

6. DRILL DETAIL 33 Seeding Unit Crucianelli GRINGA IV Drill
COULTER LAYOUT PER UNIT
a) Wavy Coulter: 17” x 4mm Radial coulter blade. In Argentina the Turbo and the Directa blades are used instead.
b)Planter Disc: 15” x 3mm double disc blade
c) Lock wheel: A 15” x 3mm Notched disc on a 1 x 12” double wheel.

7. TESTED FIELD Area: Tandil – Buenos Aires No-Till Period: 8 years
Trash: Wheat and Soy bean
N° of Hectares: 1250

9. A RADIAL COULTER BLADE AT WORK ON DRY SOIL

10. A RADIAL COULTER BLADE AT WORK ON DAMP SOIL

11. RADIAL COULTER BLADES
The Radial design features LINEAR and ASYMMETRICAL waves which cut progressively with minimum effort and reduced soil stirring but outstanding trash cutting capacity.

12. RADIAL COULTER BLADE MAIN ADVANTAGES: +Outstanding cutting capacity
+Minimum vertical penetration force
+Minimum stirring
+Higher seeding speed
+Superb self-sharpening capacity
+More furrow humidity
These features make the Radial Coulter the best choice for trash cutting with minimum soil stirring.

13. Straight asymmetrical waves
Radial Coulters differ from the standard sinusoidal wavy coulters in the sense that the latter cause greater soil stirring and humidity loss.
Standard wavy coulters are neither recommended for areas where humidity is scarce nor for excessively damp soils as the soil may get stuck to the coulter surface.
Straight asymmetrical waves produce less stirring, keep the soil humid for a longer time and allow for longer seeding periods. They also perform better on damp soil as sticky soil comes off the straight waves easily.

14. A BETTER CHOICE
Turbo coulter blades scatter a significant amount of soil due to the fact that the tangential waves produce a “spoon effect” which causes upwards, backwards and side soil spreading.

15. A BETTER CHOICE
The straight waves on Radial coulters, on the contrary significantly reduce soil spreading outside the trench with improved trash cutting capacity. The coulter wave foldings cut a neat strip of soil with minimum soil disturbance.
ASYMMETRICAL WAVES