The science of agricultural chemistry has been illuminated in this comprehensive book. It is a compilation of original contributions by various researchers connected with specific subjects in agricultural chemistry. The areas that have been discussed in this book are; classification and labeling of active substances in plant protection products, environmental and stress plant physiology and behavior, antimicrobial and antioxidant potential of plant extracts, and pollutant examination and effects. This book will prove itself to be beneficial for academic researchers and for agriculturalists.