Weeding and Intercultural Implements
Farm Machinery, Weeding and Intercultural Implements
1.Power Rotary Weeder
| Function |
For mechanical control of weeds in crops such as sugarcane, tapioca, cotton and orchards. |
| Specification |
| Type |
Self propelled |
| Power requirement |
8.38 hp Diesel engine |
| Overall dimensions |
2400 x 1750 x 1100 mm |
| Weight |
200 kg |
| Capacity |
1 – 1.2 ha per day |
| Cost of the unit (approx) |
Rs. 100,000 /- |
| General Information |
- The engine power is transmitted to ground wheels through V belt-pulley.
- A tail wheel is provided at the rear to maintain the operating depth.
- Weeding is done by the rotary weeding attachment.
- The rotary weeder consists of three rows of discs mounted with 6 numbers of curved blades in opposite directions alternatively in each disc. These blades when rotating enable cutting and mulching the soil.
- The width of coverage of the rotary tiller is 500 mm and the depth of operation can be adjusted to weed and mulch the soil in the cropped field.
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| Salient features |
- Useful for weeding between rows of crops like tapioca, cotton, sugarcane, maize, tomato and pulses whose rows spacing is more than 45 cm.
- Attachments like sweep blades, ridger, trailer can be used with the machine.
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2.Tractor Drawn Weeding cum Earthingup Equipment
| Function |
For weeding and intercultural operations in between row crops |
| Specification |
| Type |
Mounted type |
| Power requirement |
35 hp tractor |
| Overall dimensions |
400 x 636 x 1665 mm |
| Weight |
143 kg |
| Capacity |
1.6 ha per day |
| Cost of the unit (approx) |
Rs. 15,000 |
| General Information |
- An inter cultivator cum earthing up equipment was developed and fitted to a standard tractor drawn ridger.
- Three number of sweep type blades are affixed to the ridger frame for accomplishing the weeding operation in between standing rows of crops.
- Three ridger bottom which are fitted behind the sweep blade, work on the loosened soil mass and aid in earthing up by forming ridges and furrows.
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| Salient features |
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3.Tractor Operated Multi Row Rotary Weeder
| Function |
For weeding and intercultural operations in between row crops like sugarcane, cotton, maize, etc. |
| Specification |
| Type |
Mounted type |
| Power requirement |
35 hp tractor |
| Overall dimensions |
400 x 636 x 1665, mm |
| Weight |
143 kg |
| Capacity |
2.0 ha per day |
| Cost of the unit (approx) |
Rs. 1 00,000 |
| General Information |
- The multi row rotary weeder consists of a set of cutting blades, which penetrate in to the soil, cause removing the weeds in the crop rows.
- The power train consists of a gearbox containing a set of bevel gears having transmission ratio 2:1.
- The driving shaft of gearbox was coupled with PTO shaft of the tractor and driven shaft is coupled with rotary units by means of chain and sprocket power transmission systems.
- The “L” shaped cutting edge has been sharpened for easy cutting and fixed at an optimum angle of inclination of 500 to horizontal.
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| Salient features |
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Weeding and earthingup operations are simultaneously performed in a single pass; row to row distance between the rotor groups are adjustable.
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Weeding efficiency is 71 per cent.
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The saving in cost and time were 73.12 and 81.5 % respectively as compared to conventional method of manual weeding.
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4.Cono Weeder
| Function |
For weeding between rows of paddy crop |
| Specification |
| Type |
Manually operated |
| Overall dimensions |
37 cm x 1.4 m |
| Weight |
5 to 6 kg |
| Field Capacity |
0.18 ha/day |
| Number of rotors |
2 |
| Number of operators |
1 |
| Cost of the unit (approx) |
Rs. 1500/- |
| General Information |
- The cono weeder has two conical rotors mounted in tandem with opposite orientation.
- Smooth and serrated blades mounted alternately on the rotor uproot and burry weeds because the rotors create a back and forth movement in the top 3 cm of soil.
- The cono weeder can satisfactorily weed in a single forward pass without a push pull movement.
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| Salient features |
- Easy to operate by a single operator.
- The weeder does not sink in puddled soil
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5.Two Row Finger Type Paddy Rotary Weeder
| Function |
For weeding in paddy row crops |
| Specification |
| Type |
Manually operated |
| Field Capacity |
0.35 ha / day |
| Cost of the unit (approx) |
Rs.900/- |
| Cost of operation |
Rs.250 / ha |
| Saving in cost |
80% |
| Saving in labour |
60% |
| Salient features |
- Row spacing can be adjusted for 20cm and 25 cm.
- One man can easily operate the unit continuously
- By push pull action the weeds are buried and soil aerated.
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6.Battery operated portable wetland weeder
| Function |
For weeding in SRI field of rice. |
| Specification |
| Type |
Manually operated |
| Field Capacity |
0.2 – 0.3 ha/day |
| Cost of the unit (approx) |
Rs.8000/- |
| Cost of operation |
Rs.625/ha |
| Weeding efficiency |
95% |
| Salient features |
- Easy to operate compared to cono weeder.
- Operated without experiencing any drudgery
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7. Improved Dry Land Weeder
| Function |
For weeding in row crops for removing shallow rooted weeds. |
| Specification |
| Type |
Manually operated |
| Power requirement |
A man labourer |
| Overall dimensions |
1100 x 650 x 1050 mm |
| Weight |
3 kg |
| Capacity |
0.05 ha / day |
| Cost of the unit (approx) |
Rs. 600/- |
| General Information |
- This is a long handled tool and consists of one number of 25 mm diameter and 1200mm long conduit pipe over which 520mm long handle is fitted.
- The operating width of the blade is 120 mm.
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| Salient features |
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Farm Machinery, Weeding and Intercultural Implements
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