Analysis of soil, plant, water and agro-chemicals is vital in achieving and maintaining appropriate levels of soil fertility, plant nutrient availability and soil quality for sustainable crop production. The book elaborates the procedures of analysis in detail with easy to understand calculations wherever necessary. It will be a handy reference for students, researchers, teachers and analysts for carrying out the intended analysis. The analytical procedures for evaluation of agrochemicals described in the book will be of immense use for the quality control and judicious use of the agro-chemicals. The book is suitable to establish a soil, plant, water and quality control laboratory. The basic purpose is to help in making fertilizer recommendations for optimum yield potential.