Question

Why should preventive measures and biological control methods be preferred for protecting crops?​

Answer 1

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Over exposer of chemicals leads to environmental problems hence, biological methods are preferred for protecting crops from pathogens, insects and rodents along with increasing the production. Since chemicals are harmful for plants and also for the animals which feed on it, hence bio-pesticides are used as the safe way of crop protection.

Answer 2

Explanation:

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Preventive measures and biological control methods should be preferred for protecting crops because these methods are safe ecologically and do not harm other life forms.

Preventive measures and biological control methods should be preferred for protecting crops because these methods are safe ecologically and do not harm other life forms. Excessive use of chemicals can lead to many environmental problems and cause pollution. They can also enter the food chain and cause serious health hazards.

⠀⠀⠀⠀⠀⠀Biological control methods involve the use of biological organisms and hence, these are completely safe for other life forms.

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