Use bio-pesticides to minimise pollution
The Director of Public Health and Preventive Medicine, Government of Tamil Nadu, Dr. N.C. Appavoo has advocated selective use of chemicl pesticides and greater ue of botanical bio-pesticides such as
The Director of Public Health and Preventive Medicine, Government of Tamil Nadu, Dr. N.C. Appavoo has advocated selective use of chemicl pesticides and greater ue of botanical bio-pesticides such as