Describe the various that can be employed to control the growth of weeds in a crop feild
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pesticides and cutting from time to time
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- Weeds are unwanted plants which grow along with the crop plants in cultivated field and cause reduction of crop yield.
- The different methods of weed control are :
- (a) Mechanical methods : Weeds can be removed by uprooting by hand or by using trowel.
- (b) Cultural methods : By employing timely sowing of seeds in properly prepared beds, intercropping and crop rotation methods, weed growth can be minimized.
- (c) Chemical methods : Weeds can be destroyed by spraying chemical called weedicides.
- (d) Biological methods : Certain insects and crop plants prevent the growth of weeds.
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