Plant growth and well-being depend on a number of factors but the most important among these is soil quality. This book aims to compile the most advanced research on soil profiles and their availability across various environments. Plant growth and subsequent regeneration require regular supply of nutrients as well as safety from pests and diseases. Conservationists, agronomists and botanists will find this book especially helpful. As the field of plant growth is emerging at a rapid pace, the contents of this book will help the readers understand the modern concepts and applications of the subject.