Chemical Method or Weed Control through Herbicides

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Chemical Method or Weed Control through Herbicides

Chemical method of weed control is very effective in certain cases and have great scope provided the herbicides are cheap, efficient and easily available. The chemicals used for killing the weeds or inhibiting growth of weeds are called herbicides (Weedicides).

Classification of Herbicides:

Herbicides are classified in different ways:

A) I st Group Chemical Herbicides:

I) Classification of herbicides according to chemical composition.
II) Classification of herbicides according to their use.
III) Classification of herbicides based on time of application.
IV) Classification of herbicides according to Formulation.
V) Classification of herbicides according to residual effect.

B) II nd Group – Bio herbicides

C) IIIrd Group herbicidal mixtures.

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