CBSE Class 9 Answered
Explain the various preventive measures against insect pests .
Asked by jeffladebo | 12 May, 2015, 04:59: PM
Expert Answer
Various preventive measures against insect pests are as follows:
- Select pest-resistant varieties of crops
- Carry out pre-treatment of the seeds prior to sowing
- Crop rotation
- Plant pest-free rootstock
- Use biological pest control agents
- Spray pesticides
Answered by Sheetal Kolte | 12 May, 2015, 05:36: PM
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