Q. 15.0( 1 Vote )

Various measures to control the insect-pest infection of crops. Discuss also its ecological hazards.

Answer :

The different to control insect pest infection includes:

1. Companion planting - Planting other crops to draw the insects away from the main crops, or cultivating insects or small animals which feed on the pests. It is little or no harmful effect on humans and agriculture, which makes it useful where other animals such as pets and livestock are present in the surroundings.

Chemical pest control methods have been used in an agricultural setting and within the household for a very long time. This often employs harsh pesticides that instantly eliminate pests upon application. These can either be applied systematically (targeting where plants are commonly ingested by pests) or to the entire crops as in the case of aerial spraying.

The disadvantages of chemical pest control method is that they also harm the beneficial organisms that help your crops grow and eliminate the pests. They release harmful toxins to the surroundings. Apart from that, human exposure to these pesticides can be very harmful.

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