About Lesson
Weed management :
Weed management is an approach that includes several activities or methods to minimize the losses caused by weeds in crop fields.
Weed management methods :
- Preparation
- Eradication
- Control
Weed control method :
- Manual: Hand weeding by pulling 20 and 40 DAS/T.
- Mechanical : Implements like hoe , khurpi , spade , cono weeder , rotatory weeer and other tillage implements.
- Physical : Burning or firing , mulching , soil solarization , flooding.
- Cultural: Method and time of tillage ( good crop husbandry) planting, fertilizer application, irrigation, competitive variety, crop rotation, inter cropping.
- Biological : Insects , fungi , fish , snails , ducks .
- Chemical :
a) Herbicides: Chemical that kills plants or weeds.
b) Preplant: Glyphosphate
c) Pre-emergence: Butachlor , Pendimethalin
d) Post–emergence: 2,4 -D, Bispyribae sodium.
