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CBSE Class 9 Answered

What are the various methods of weeding?describe.
Asked by | 07 Sep, 2008, 09:45: PM
answered-by-expert Expert Answer

a) Preventive measures - use of resistant varities, choosing optimum time for sowing, crop rotation & multiple cropping, clean cultivation.

b)Mechanical methods - uprooting, wedding with trowel, ploughing, burning etc.

c) Chemical methods - chemicals called weedicides are used to kill them.

d) Biological control - use of biowedicides i.e. use of insects or other organisms which specifically consume & destoy weed plant.

Answered by | 07 Sep, 2008, 10:07: PM

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