Why is chemical method of controlling pests not considered good?

Chemical method of pest control is not considered good because it can cause various harms which are as follows:

These chemical can also those microorganisms which are useful to the plants.


These chemicals being so hazardous can also affect plant in an adverse manner. It can cause damage to plant also.


Also, as these chemicals get mixed with air, soil and water they cause changes in their unique properties and affecting them cause their pollution.


In some manner or the other these chemicals start becoming a part of particular crop and start entering the food chain. Their entrance in the food chain and consumption by the others is harmful for the other organisms.


Due to above mentioned reasons chemical method of pests control needs to be avoided.


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