Written out of the author’s experience at the laboratories in the Institute of Agricultural Sciences at Banaras Hindu University, this book addresses the need for identifying and addressing deficiencies in soil, water, and plants. Techniques to evaluate soil fertility constraints based on soil chemical extraction and analysis of the plants that grow on such soils are discussed. This book also presents standard methods from different sources – these have been compiled and adapted for routine analyses in the Indian subcontinent. This book is aimed at aimed at research scientists, technicians, and students. Print edition not for sale in South Asia (India, Sri Lanka, Nepal, Bangladesh, Pakistan or Bhutan) Y. V. Singh is Associate Professor, Department of Soil Science and Agricultural Chemistry, Institute of Agricultural Sciences, Banaras Hindu University, Uttar Pradesh, India. He specializes in Soil Fertility/STCR Correlation and holds experience exceeding 25 years in teaching, extension, and research.