Weeds Control Methods in Agriculture


Physical Methods
Covering
Manual remove
Tillage
Thermal methods
Cutting

Cultural Methods
Stale seedbed
Buried drip irrigation
Crop rotation
Plant density
Correct fertilizer application
Use better cropping system

Biological Methods
Specially used for aquatic weeds. Biological agents such as pathogens and other animals reduce or kill the infected weeds.

Chemical Methods
Organic approaches
Organic weed control involves anything other than applying manufactured chemicals. Typically a combination of methods are used to achieve satisfactory control.

Herbicides
However, weed control can also be achieved by the use of herbicides. Selective herbicides kill certain targets while leaving the desired crop relatively unharmed. Some of these act by interfering with the growth of the week and are often based on plant hormones. Herbicides are generally classified as follows:
Control herbicides
Systemic herbicides
Soil born herbicides
Pre-emerged herbicides

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