Introduction, Agriculture and Agro-chemistry, Agricultural Chemicals, Agricultural Chemicals, Agricultural Chemistry and Soil Ecosystem, The Role of Fertilizers in Agro-chemistry, Herbicides and Insecticides, Pesticides, Pesticide Contamination in Varied Pesticide use Setting, Pesticide Regulation, Pesticides and Agriculture, Insecticide Concentrates, Rodenticide, Fungicides, Miticides, Herbicide, Impact of Agrochemicals on Soil and Water Quality, Biopesticides and Organic Pesticides, Pest Control.