Mention any one difference in external features of weeds and wheat plant. How do weed affect crop yield? Describe how weeds are removed.
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wheat plants are main crop plants, while the weeds unwanted plants.
weeds affect the crop yield in many ways :
competes for space , sunlight , nutrients , water
weeds can be removed by weeding which includes
mechanical removal
some preventive methods are -
proper seed bed preparation
timely sowing of crops
crop rotation
intercropping
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