Skip to content
KisanPe
Farm Equipment & Implements

Power Weeder Machine: Types, Field Use & SMAM Subsidy

A weeder machine (power weeder or rotary inter-cultivator) is an engine-driven agricultural implement used for mechanical weed removal and inter-cultivation between crop rows. It replaces labor-intensive manual weeding in crops like cotton, sugarcane, maize, pulses, and vegetables while simultaneously loosening and aerating the soil. Smallholder farmers can acquire approved power weeders with financial subsidies under the central SMAM scheme.

Last reviewed: 10 November 2026

Types and configurations of weeder machines

Mechanized weeders are classified by power rating, engine type, and tine arrangement.

  • Petrol Power Weeder: Lightweight (2 to 5 HP); easy to maneuver in vegetable beds, polyhouses, and narrow crop rows.
  • Diesel Power Weeder: Heavy-duty (5 to 9 HP) with high torque; ideal for hard soils, wide row crops like sugarcane and cotton, and multi-implement attachments.
  • Self-Propelled Rotary Tiller: Features driven wheels and rear rotary blades for deeper soil aeration and ridge making.
  • Manual Wheel Hoe: Non-motorized push implement suited for small kitchen gardens and inter-row weed scraping.

Agronomic benefits of mechanical weeding

Using power weeders enhances soil conditions alongside weed eradication.

  • Eliminates weed competition for soil nutrients, sunlight, and moisture during critical crop growth windows.
  • Loosens topsoil crust, breaking capillary action to conserve subsoil moisture.
  • Aerates the plant root zone, stimulating root development and beneficial soil biological activity.
  • Adaptable with attachments such as ridgers, potato diggers, and water pump assemblies.

Maintenance guidelines and government subsidies

Routine upkeep preserves performance, while state mechanization portals assist acquisition.

  • Clean clay and root debris from rotary tines after every work session; inspect blades for wear or bending.
  • Check engine oil levels and clean the air filter regularly, especially in dusty dry field conditions.
  • Subsidies available under the Sub-Mission on Agricultural Mechanization (SMAM) and state DBT portals for eligible categories.
  • Apply through the official central machinery portal (agrimachinery.nic.in) or state agriculture engineering wings.

Official source

Check the latest rules, benefits and forms here. KisanPe is an independent platform and is not a government website.

Sub-Mission on Agricultural Mechanization (SMAM) ↗

Related on KisanPe

Common questions

Can a power weeder be used in wet soils?

Avoid working in overly wet or muddy soils, as clay sticks to rotary tines and causes soil compaction; operate when soil moisture is at workable friability.

What crops are best suited for mechanical power weeding?

Power weeders excel in wide-row crops such as cotton, sugarcane, maize, pigeon pea, chilli, tomato, and commercial vegetable plantings.

How can farmers apply for a power weeder subsidy?

Farmers can register on the national SMAM portal (agrimachinery.nic.in) or their state agriculture mechanization DBT portal using their Aadhaar and land records.

General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.

More Farm Equipment & Implements guides

Agricultural Spray Machines: Types, Maintenance & SubsidyFarm Equipment Guide: Types, Selection, Subsidies & CareTree Cutting Machine: Buying Checklist and SMAM Subsidy Information

Ask Sakhi AI in your language, check live mandi prices or plan a loan with KisanPe tools.

Ask Sakhi
Download KisanPe App