Use of pesticides in vegetable farming: an assessment of knowledge and practice of farmers at Tuc Duyen, Thai Nguyen
- Author:
Bui Van Hoan
- Publication Type:Journal Article
- Keywords:
pesticide
- MeSH:
Pesticides;
Vegetables;
Pesticide Residues
- From:Journal of Preventive Medicine
2003;13(5):61-65
- CountryViet Nam
- Language:Vietnamese
-
Abstract:
Investigaition was conducted in the year 2002 on 322 households of vegetable cultivator in Tuc Duyen commune, Thai Nguyen city. Vegetable samples were collected randomly to determine residues of pesticide using gaz-chromatography. In 3 kinds of common vegetable, pesticide residues were detected (bean 60%, bindweed 70%, cabbage 80%). In an average of 70% of samples, residues were detected. Soaking and washing reduced the chemical concentration in vegetable from 27.1% to 50%, depending on the kind of chemical and vegetable. In bindweed 71.4% of samples were contaminated with at least 2 kinds of chemicals. The awareness and practice of cultivators and users were very restricted, lacking of protective means
