mention four different ways in which crop plants can be attacked by insect plants. Also suggest one control measure and one preventive measure against pests??? class 9th question
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1)they can attack the leaf of plants
2)they can attack the roots of plants
3)they can cut the stem of plant
4)they can suck the cell sap
we can use pesticides to control pests...
2)they can attack the roots of plants
3)they can cut the stem of plant
4)they can suck the cell sap
we can use pesticides to control pests...
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