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State four harmful effects of weed.
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Aug 2, 2021
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Agriculture Form 3
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anonymous
State four harmful effects of weed.
crop pests and diseases
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Aug 2, 2021
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anonymous
compete with crops for nutrients
some weeds are parasitic
some weeds lowers the quality of produce
some weeds are poisonous
some weeds acts as alternative host for pest and diseases.
some weeds block irrigation channels
some weeds are irritating
some lower the quality of pasture
some have allelopathic effect
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