Question
Explain physical and chemical methods of pest management.
Answer :
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Physical methods of pest management involve non-chemical strategies to control pest populations through environmental modifications or direct physical interventions. These methods focus on creating conditions unfavorable for pest development or physically eliminating pests. Some common physical control techniques include the use of barriers, traps, and temperature manipulation. Barriers such as nets, screens, and fences can prevent pests from accessing crops or other vulnerable areas. These barriers are especially effective for larger pests like birds or rodents. For smaller insects, fine mesh nets or row covers can be used to exclude pests from plants. In addition to barriers, traps can be utilized to capture and reduce pest numbers. Traps can be designed to attract specific pests using baits or pheromones. For example, light traps attract flying insects like moths, while
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