discuss two methods of weeding in which poisonous chemicals are not used .
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The two methods of weeding in which chemicals are not used are: Manual method: Weeds are pulled out by hand or uprooted using a trowel or a harrow. Insect method: Insects that feed upon specific weeds are used.
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The two methods of weeding in which chemicals are not used are:
Manual method: Weeds are pulled out by hand or uprooted using a trowel or a harrow.
Insect method: Insects that feed upon specific weeds are used
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