After reading this article you will learn about the toxicology of various herbicides. On the basis of chemical nature, herbicides may be categorized as follows: 1. Di-nitro compounds e.g. di-nitro ortho cresol (DNOC), dinitrophenol etc. 2. Phenoxyacetic acids e.g. 2, 4-D, 2, 4, 5-T etc. 3. Bipyridinium compounds e.g. diquat, paraquat etc. 4. Heterocyclic compounds […]