What are weeds ? Give two examples
Q. (i) What are weeds ? Give two examples
(ii) “Removal of weeds from cultivated fields during the early stages of growth of crops is essential for a good harvest.” Justify the statement.
(iii) List five preventive methods that help in weed control.
Ans. (a) Unwanted plants in cultivated fields are called weeds, e.g., Xanthium (gajar grass), Parthenium, etc.
(ii) Weeds compete for food, space and light with the crop plants. They take up nutrients and reduce the growth of the crop.
Therefore, removal of weeds from cultivated fields during the early stages of crop growth is essential for a good harvest.
(iii) Following methods can help in controlling weeds:
(a) Proper preparation of seedbed.
(b) Timely sowing of crops.
(c) Intercropping.
(d) Crop-rotation.
(e) Summer ploughing.
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