Answers

Pramod Lohiya
Jul 27, 2020

Spraying of DDT as an insecticide on vegetable crops should be banned because our foodgrains such as wheat, rice, fruits and vegetables accumulate the varying amount  of insecticide residues and that enter the human body through food chain. As these chemicals are toxic and non-biodegradable, they get accumulated in organisms body  and are difficult to excrete and their concentration goes on increasing