Mechanical Working and Recovery Process
Operating behind a combine harvester, a straw reaper recovers residual crop biomass in a single pass.
Key operating stages:
- Reel and cutter bar: Gathers standing stubble and cuts it within 2 to 4 inches of ground level.
- Threshing drum: Rotates at high speed with serrated blades to chop and bruise coarse straw into soft, digestible cattle fodder (bhusa or turi).
- Cleaning and blower: Powerful blower fans convey the cleaned straw through an exhaust chute directly into an attached covered trolley.
- Stone trap: Integrated heavy-duty stone trap captures rocks and field debris before they reach the threshing cylinder.
Tractor HP and Operational Requirements
Operating a straw reaper requires a robust utility tractor with adequate power take-off output.
Essential machine requirements:
- Tractor power: Requires a tractor delivering 50 HP or higher equipped with dual clutch and 540 RPM PTO drive.
- Field capacity: Cleans approximately 1 to 1.5 acres per hour depending on stubble density and field moisture.
- Economic returns: Recovers substantial volumes of dry fodder per acre, offsetting harvesting expenses through fodder sales.
Environmental Value and Government Subsidies
Straw reapers play an essential role in curbing crop residue burning across north Indian agricultural states.
Policy and subsidy support:
- Residue management: Eliminates in-situ burning, preventing air pollution, preserving beneficial soil microorganisms, and protecting topsoil organic carbon.
- Subsidies under CRM: Supported under the central Crop Residue Management (CRM) scheme and Sub-Mission on Agricultural Mechanization (SMAM).
- Online registration: Apply on agrimachinery.nic.in or state agriculture portals to secure individual or Custom Hiring Centre subsidies.
Official source
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Sub-Mission on Agricultural Mechanization (SMAM) ↗Related on KisanPe
Common questions
What tractor horsepower is needed to run a straw reaper?
A tractor with 50 HP or above featuring a dual clutch and 540 RPM PTO is recommended to operate a straw reaper.
How does a straw reaper help combat air pollution?
It harvests residual standing stubble and converts it into livestock fodder, eliminating the practice of open-field stubble burning.
Are subsidies provided for purchasing straw reapers?
Yes, financial assistance is provided under central Crop Residue Management (CRM) and SMAM schemes via agrimachinery.nic.in.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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