Mechanical weeders / Sarcleuses mécaniques

Descriptive name

Technical characteristics

Rice-production system

Number of rows weeded

Power source

Directional use

Type of Tilling drums / rotary frame

Type of ground grasp (spikes / blade)

Presence or type of directional guides

Ring hoe

Irrigated, lowland, or upland

1

Manual

Pull backward

Round plate

Small spikes in front of round plate

None

Cono weeder

Irrigated or lowland

1

Manual

Push-and-pull forward

2 conical wheels

Flat and sharp blades

Front tilted metallic float

2-row cono weeder

Double-row cono weeder

2

Manual

Push-and-pull forward

2 conical wheels for each row

Flat and sharp blades

Front tilted metallic float

Straight-spike floating weeder

Irrigated or lowland

1

Manual

Push-and-pull forward

2 cylindrical wheels

Straight and angled spike

Front flat metallic float

Curved-spike floating weeder

Irrigated or lowland

1

Manual

Push-and-pull forward

2 cylindrical wheels

Curved and angled spikes

Front flat metallic float

2-row curved-spike floating weeder

Irrigated or lowland

2

Manual

Push-and-pull forward

2 cylindrical wheels for each row

Curved and angled spikes

Front flat metallic float

Twisted-spike floating weeder

Irrigated or lowland

1

Manual

Push-and-pull forward

2 cylindrical wheels

Twisted spikes

Front flat wooden float

Straight spike weeder Irrigated, lowland, or upland  1 Manual Push-and-pull forward 2 cylindrical wheels Star-shaped spike & sharp blade Back metallic keel
2-row spike and blade weeder Irrigated or lowland  2 Manual Push-and-pull forward Cylindrical wheels and round plate Straight angled spike + blades  Front tilted metallic float
Simple rotary weeder with hoe Irrigated, lowland, or upland 1 Manual Push-and-pull forward or backward 1 cylindrical wheel Star-shaped  spikes None
Upland rice weeder